Klarna or PayPal in 3 instalments · Easy returns · ✦ Only 4 spots for 3D consultation in October ✦
Interior Designer per Ristrutturare Casa: Cosa Fa, Quando Serve e Come Sceglierlo

Interior Designer for Home Renovation: What They Do, When You Need One and How to Choose

by Restylit Interiors in Trends

Interior Designer for Home Renovation: What They Do, When You Need One and How to Choose

What does an interior designer do in a renovation? They define how the space will look before any work begins: the definitive layout, the position of the plumbing and electrical systems, the materials for every surface, the colours, the furniture and their relationship to the light. They translate all of this into technical drawings the contractor can follow and into photorealistic renderings that let you see the final result before spending a single euro on works. They don't manage the site physically, but they build the project that makes the site predictable.

In short: those who renovate without an interior designer almost always spend more, not less. The mistakes made by those who take decisions on site without an overall vision cost on average 15-25% of the total budget. A professional project done before the works reduces these mistakes to almost zero.

What you'll find in this guide. The precise role of the interior designer in a renovation, the difference between an interior designer and an architect, when you need one and when you need the other, how much it costs, how to choose one, and what happens if you renovate without one.

Why Renovation is the Moment When an Interior Designer Matters Most

Furnishing an existing home allows for adjustments over time: you change a piece of furniture, repaint a wall, add a lamp. Mistakes can be corrected.

In a renovation, they can't. When the floor is laid, it stays there for twenty years. When the systems are sealed inside the walls, moving them means opening everything back up. When the bathroom tiles are in place, changing them means redoing the entire bathroom.

This is why the interior design project has the most value before the renovation, not during or after. It's the only moment when all the important decisions can be made without additional costs.

An interior designer during a renovation is not a style consultant. They're the person who defines where the systems go, how the materials are distributed, how the rooms relate to each other. All things that, once decided on site rather than at the drawing board, cost twice as much.

What an Interior Designer Concretely Does in a Renovation

The work is divided into precise phases, each with a specific output.

Phase 1: analysis of the space and needs

Before drawing anything, a good professional understands how the people who live in that space actually live. How many people, what habits, what specific needs. An apartment for a couple who work from home has different needs from one for a family with young children. The right questions at this stage determine the quality of everything that follows.

Phase 2: layout project

The furnished floor plan with precise measurements of every room. Where each piece of furniture goes, in what relationship to the others, how people move through the space. The layout is the most important decision in the entire renovation because it conditions everything else: the position of the systems, the size of the openings, the distribution of light.

Phase 3: services project

The position of every electrical socket, every light point, every water connection, every heating element. These decisions must be made before the walls are closed. A water connection moved by half a metre after the floor has been laid costs three times more than deciding it at the design stage.

Phase 4: materials and finishes selection

Flooring, wall finishes, wall colours, taps, sanitaryware, doors, windows. Every choice is made while seeing how it relates to the others through the photorealistic renderings. You don't choose the flooring without knowing how it will look with the wall colour and the natural light in that specific room.

Phase 5: photorealistic renderings

The visual representation of every room as it will look after the renovation. Not an approximation: an image that shows exactly those materials, that light, those furnishings in that specific space. The rendering is the tool that lets you see mistakes when correcting them costs nothing.

Phase 6: executive technical drawings

The drawings the contractor uses on site: layout with dimensions, electrical systems diagram, plumbing diagram, specific construction details. A contractor who receives precise technical drawings knows exactly what to do. A contractor without technical drawings interprets, and every interpretation is a potential mistake.

Phase 7: shopping list

The list of all products to purchase, with precise specifications, exact measurements, and direct links. Ordered before the works begin, not during. The tiles arrive before the site opens, not while the contractor is waiting.

Interior Designer vs Architect: Which Do You Need for the Renovation

This is the question that generates the most confusion and it's worth answering clearly.

The registered architect can sign planning applications, carry out structural calculations and take on the technical and legal responsibility of the project. If the renovation involves structural modifications, moving load-bearing walls, change of use, or interventions requiring planning permission, you need an architect or engineer.

The interior designer handles how the space will be lived in: layout, materials, furniture, lighting, aesthetics. They don't sign planning applications and don't carry out structural calculations. But they're the right professional for everything concerning the interior design project.

For the vast majority of standard residential renovations — those that don't touch load-bearing structures and don't require planning permission — the interior designer is sufficient. A local surveyor can handle the necessary bureaucratic paperwork at a contained cost.

Type of intervention What you need
Interior renovation without structural modifications Interior designer for the project, surveyor for the paperwork
Moving non-load-bearing partition walls Interior designer for the project, surveyor or architect for the applications
Structural or load-bearing modifications Architect or structural engineer required
Change of use Architect required
Renovation in a listed historic building Architect required

How Much Does an Interior Designer Cost for a Renovation

Prices vary significantly depending on the service model chosen.

Traditional physical studio

An interior designer or architect with a physical studio who follows a complete renovation of an 80-100sqm apartment in major Italian cities costs between €5,000 and €20,000 for the project alone, works not included. To this you add the site visit costs and, if included in the service, the site supervision.

Structured online service

A complete project with photorealistic renderings, executive technical drawings and a shopping list for a 100sqm apartment with a professional online service costs between €3,500 and €5,500. The difference compared to a physical studio is 60-70% because the studio's operating costs don't exist and aren't passed on to the client.

Restylit packages for renovations

Essential (€35/sqm, minimum 100sqm): 3 video calls, 3D renderings with 2 revision rounds, up to 4 executive technical drawings, shopping list. Delivery in approximately 60 days.

Advanced (€55/sqm, minimum 100sqm): 5 video calls, renderings with 3 revision rounds, up to 8 technical drawings, works cost estimate, remote artistic direction. For complex renovations where nothing can be left to chance.

What Happens If You Renovate Without an Interior Designer

This is the question worth asking explicitly, because many people choose not to hire a professional thinking they'll save money.

The saving almost never materialises. What does materialise, instead, is a series of hidden costs that emerge during the works.

Systems relocated mid-works. Deciding where the socket goes, where the light point goes, where the water connection goes while the site is open rather than beforehand. Every modification made during works costs double or triple what it would have cost in the project.

Materials ordered in the wrong quantities. Tiles that run out before the job is done and aren't available in the same batch anymore. Flooring ordered for 80sqm on an apartment that's actually 95sqm. Suspended ceilings that need more plasterboard than expected.

Wrong purchases. The sofa that doesn't fit through the door, the kitchen that doesn't align with the plumbing connections, the bed that blocks the wardrobe door. Every purchase made without a defined layout has a high probability of being wrong.

A result that doesn't convince. The home works but it's not what you had in mind. The materials look fine individually but don't speak to each other. The space always feels slightly off. These aren't aesthetic problems: they're the result of decisions made without an overall vision.

The average cost of recoverable mistakes in a renovation without a project ranges between 15 and 25% of the total budget. On a €40,000 renovation, that's €6,000-10,000 in avoidable costs.

How to Choose the Right Interior Designer for Your Renovation

Three concrete criteria, in the right order.

The portfolio: renderings and real photos compared

A serious professional shows for every project the rendering produced before the works and the photo of the real result after. If the comparison is available and the rendering matches reality, the professional has demonstrated they can do what they promise. If the portfolio shows only renderings without photos of real results, or only generic photos without comparison renderings, it's a signal to evaluate carefully.

Transparent pricing

A service that doesn't publish its prices and requires you to get in touch for a quote introduces uncertainty that almost always disadvantages the client. Public prices allow comparison and let you know what you're buying before starting any conversation.

The exact output included in the price

Renderings yes or no? How many revisions? Technical drawings for the contractor yes or no? Shopping list included? The difference between a €1,500 service without technical drawings and a €4,000 one with complete technical drawings isn't just price: it's what you receive and how you can use it on site.

Planning a renovation and want to understand how to integrate the interior design project into your process? The free 15-minute call with the Restylit team is the right place to make this assessment. We start from your floor plan and figure out together what makes sense. Book the free call →

If you already know you need a complete project for the renovation, the Essential (€35/sqm) and Advanced (€55/sqm) packages include everything needed to take the project to site with confidence. Discover the Essential and Advanced packages →

FAQ

When should you call an interior designer for a renovation? Before the works, not during. The interior design project has the most value when all the important decisions can still be made without additional costs: layout, systems, materials, finishes. Calling a professional after works have started is possible but produces less value because some decisions have already been made and some choices are no longer reversible.

Does an interior designer also supervise the site? Depends on the service chosen. A traditional physical studio often includes site supervision in the package. Structured online services produce the project and technical drawings, but physical site supervision is entrusted to the contractor's site manager or a local technician. For the vast majority of standard renovations, a detailed executive project is sufficient to guide the contractor without weekly physical presence.

What's the difference between an interior designer and an architect for a renovation? A registered architect can sign planning applications, carry out structural calculations and take on the technical and legal responsibility of the project. The interior designer handles the interior design project: layout, materials, furniture, lighting, aesthetics. For interventions without structural modifications, the interior designer is sufficient for the project. A local surveyor manages the bureaucratic paperwork at a contained cost.

How much do you save with an interior design project before renovation? The average estimated saving is between 15 and 25% of the total works budget, in terms of mistakes avoided: systems not relocated mid-works, materials ordered in the right quantities, no wrong purchases. On a €40,000 renovation that's €6,000-10,000 in avoidable costs. The cost of a professional project ranges between €3,500 and €5,500 for a 100sqm apartment with a structured online service.

Can you renovate without an interior designer? Yes, but it almost always pays not to. Those who renovate without a project make decisions about materials during the works, often in a rush and without being able to see how they interact with each other. The result almost always includes unexpected costs, regrets about irreversible choices, and a final space that doesn't fully match what was imagined.

Restylit is an Italian interior design company, entirely online. Photorealistic 3D renderings, shoppable lists, technical drawings for the contractor. Over 500 completed projects, 4.8/5 on Trustpilot.

Discover all packages →

 

Related Posts

Come Ristrutturare Casa Partendo dal Progetto di Interior Design: La Guida Completa

How to Renovate a Home Starting from the Interior Design Project: The Complete Guide

How to Renovate a Home Starting from the Interior Design Project: The Complete Guide By Mattea, co-founder and Interior Architect — Restylit How do you renovate a home starting from the interior design project? You start from the final vision: how do you want to live in that space? And you work backwards to plan the works. First the definitive layout, then the plumbing and electrical, then the materials, then the finishes, and finally the furniture. The interior design project is not the last thing to do after the walls have already been knocked down — it's the first. It completely changes the order of decisions, the quality of the result and the final cost. In short: those who renovate starting from the interior design project spend on average 15-25% less than those who start works without a project, make fewer recoverable mistakes, get more precise quotes from contractors and end up with a result that actually resembles what they had in mind. What you'll find in this guide. The correct method for integrating the interior design project into the renovation, the exact order of decisions and works, the most common mistakes made by those who start from the works rather than the project, how much time and budget is needed for each phase, and how Restylit accompanies this process from start to delivery. If you're about to renovate and don't know where to begin, this guide is the right starting point. What an Interior Design Project Is and Why It Comes Before the Works The interior design project is the document that defines how a space will look once the renovation is complete. It's not just an aesthetic matter: it includes the definitive layout of the rooms, the position of the plumbing and electrical systems, the materials chosen for every surface, the technical specifications for the contractor, and a visual representation of the final result through photorealistic 3D renderings. Or at least, that's how it should be. The difference between a renovation done with an interior design project and one done without is substantial. Those who start without knowing exactly where they want to end up make one of the most frequent mistakes: having a vague idea can seem enough, but every intervention involves structural, technical and aesthetic decisions. If the project changes during the works, you have to stop, redo quotes, modify authorisations and, often, redo part of what's already been built. In practice: every decision made on site rather than at the drawing board costs more. Often much more. The Problem of the Wrong Order This is the point we most want to explain clearly, because it's where we see the greatest damage in the projects we follow. The wrong order — the one most people apply — is this: You call the contractor You start the structural works Halfway through the site you start choosing materials You discover problems that change your choices You buy the furniture at the end, without knowing exactly where it will go The result of this process is almost always the same: costs higher than expected, longer timelines, regrets about choices made in a rush, and a final space that works but doesn't excite. The right order is the opposite: You define how you want to live in the space You develop the interior design project with layout, materials, systems You get precise quotes from contractors (with a project in hand, offers are comparable line by line) You start the works already knowing exactly where all the systems, all the materials and all the furniture go Purchases are made before the works begin, not during The Process Phases: From Vision to Site (pay attention to this!) Phase 1 — Understanding What You Actually Want (not what you think you want) The first useful conversation in a renovation is not with the contractor. It's with yourself. Or, even better, with a professional who knows how to ask the right questions. Some concrete questions we always ask at the start of a Restylit project: How do people move through the home during a typical day? Where do they cook, eat, work, relax? These habits define the layout far more than any aesthetic preference. What isn't working right now? Is the kitchen too enclosed? Is the bathroom dark? Does the living room lack a work area? Identifying the real problems is the starting point of every good project. Which materials do you actually like and which ones tire you quickly? A colour that feels bold today can become exhausting in three years. Natural materials age well. The €15-per-metre laminate shows. What's the real budget, not the optimistic one? The optimistic budget is the one you have in mind before opening the walls. The real budget includes a 15-20% buffer for unexpected costs that materialise in almost every renovation. Phase 2 — Developing the Interior Design Project Before the Works The interior design project is developed on paper — or rather, on screen — before a single hammer touches a wall. It includes: The definitive layout. The furnished floor plan with the precise measurements of every room. Where the sofa goes, where the bed goes, where the desk goes. Every centimetre is defined before any work begins. The position of the systems. Every electrical socket, every light point, every water connection must be decided now. Moving a water connection after the floor has been laid costs three times more than deciding it at the design stage. Materials and finishes. Flooring, wall finishes, wall colours, taps, sanitaryware. Every choice is made while seeing how it relates to the others through the photorealistic 3D renderings. 3D renderings. The photorealistic visual representation of every room. Not an approximation — an image that shows exactly how the room will look with those materials, that light, those pieces of furniture. It allows you to see mistakes when correcting them costs nothing. The shopping list. The list of everything that needs to be purchased, with precise specifications and links to the products. Ordered before the works begin, not during. Phase 3 — Getting Comparable Quotes With a complete interior design project in hand, contractor quotes become comparable line by line, without surprises. Without a project, every contractor interprets the client's wishes in their own way and quotes are not comparable. A precise project makes it possible to plan the correct order of works, avoid material waste and get clearer offers from contractors. With a Restylit Essential or Advanced project, the client arrives at the contractor with executive technical drawings, precise material specifications and reference renderings. The contractor knows exactly what to do. The quote is precise. Surprises are drastically reduced. Phase 4 — Carrying Out the Works in the Correct Order The order of works in a full renovation is not arbitrary. Every phase must be carried out in sequence, because each phase prepares the next. Demolition. Everything that isn't staying is removed: partition walls, floors, wall finishes. The raw space is opened up. It's the most costly thing to delay — every modification after this phase costs double. In-wall systems. Electrical, plumbing, gas, heating. Everything that runs inside the walls must be done now, while the walls are still open. Changing it afterwards means opening everything back up. Masonry and plasterwork. The system trenches are closed, new partition walls are built, walls are plastered. The space takes on its defined form again. Flooring and wall finishes. The final floor is laid, bathroom and kitchen walls are tiled. The exact order depends on the technical solution chosen. Finishes. Painting, sanitaryware installation, kitchen fitting, doors and windows. Everything you see. Furniture. The furniture only comes in at the very end. Never before. Phase 5 — Handing Over the Brief to the Contractor This is one of the things that distinguishes a Restylit project from a generic consultation. In addition to the technical drawings, we produce an operational brief for the contractor: a document that explains the project, the design choices, the priorities and the materials, so that whoever carries out the works — even without having spoken directly with us — knows exactly what to do and why. It doesn't replace physical site supervision. But it reduces the margins for interpretation and therefore for execution errors. Summary: Correct Order of Decisions and Works Phase What happens When Common mistake 1. Vision Define how you want to live in the space Before everything Skipping it and going straight to works 2. Interior design project Layout, systems, materials, 3D renderings Before the works Doing it during or after 3. Quotes Request offers with project in hand After the project Asking for quotes without a project 4. Material orders Purchase flooring, tiles, sanitaryware Before works begin Ordering during the site 5. Demolition Open up the raw space First day on site Modifying the project after demolition 6. Systems Electrical, plumbing, gas, heating With walls open Relocating systems after the walls are closed 7. Masonry and plasterwork Close trenches, build partition walls After the systems Starting finishes before plasterwork 8. Flooring and wall finishes Lay the final floor After plasterwork Laying the floor before the systems 9. Finishes Painting, doors, sanitaryware, kitchen Towards the end Fitting the kitchen before the floor 10. Furniture Position the furniture Only at the very end Buying furniture before the layout is defined The Mistakes You Avoid by Starting from the Project These are the errors we see repeated in renovations done without a preliminary interior design project. Relocating systems once works have started. Deciding on an open site that the basin should go on the other side, that a socket needs adding, that the light should be in a different position. Every plumbing or electrical modification made during works costs double or triple what it would have cost in the project. Not starting works before all the important decisions have been made, and always requesting detailed quotes based on a precise project, are the first steps to avoiding costly problems. Ordering the wrong materials or in the wrong quantities. Tiles ordered short that bring the site to a standstill. Flooring chosen before seeing how it interacts with the light in the room. Bathroom marble that arrives in a slightly different shade from the sample. With a project and photorealistic renderings, these surprises are drastically reduced. Buying furniture before the definitive layout is finalised. The sofa that doesn't fit through the door. The kitchen that doesn't align with the plumbing connections. The bed that blocks the wardrobe door. These are mistakes that cost between €500 and €3,000 each, and they're avoided by deciding everything first. Not budgeting for unexpected costs. This isn't pessimism: it's realism. In almost every renovation that opens walls, hidden problems emerge — damp, installations not up to code, structures that require intervention. The 15-20% buffer is not optional. How Much Time the Project Takes Before the Works One of the objections we hear most often is: "If I wait for the project, I lose time before starting." The opposite is true. The time invested in the project is more than recovered during the works, because it reduces delays, variations during the build, and site downtime. Restylit Essential or Advanced project: approximately 60 days from when the material is received to delivery of the documents. A 100sqm apartment with a complex layout may require a few extra weeks. Renovation works: 4-12 weeks depending on the scale of the intervention. Total with project: 3-5 months. Total without project (with all the typical delays): 5-9 months, with a result that is often unsatisfying. The project doesn't lengthen the renovation. It brings it forward. The Restylit Method: How We Manage This Process At Restylit the interior design project unfolds in five steps. 1. Introductory call (free). Understanding the project, budget, expectations, floor plan. No commitment. 2. Material collection. The client sends the floor plan, photos of the spaces, visual inspiration. No physical site visit needed. 3. Project development. The internal team, coordinated by Mattea, develops the layout, materials and renderings. Everything defined before any work begins. 4. Presentation video call. The client sees the complete project, asks questions, requests changes. The rendering shows exactly how each room will look. 5. Delivery of documents. Photorealistic renderings, executive technical drawings, shopping list with purchasable links, brief for the contractor. Everything ready for the site. Essential vs Advanced: Which to Choose Essential — €33/sqm (minimum 100sqm) The format for those who have a trusted contractor and need a complete project to hand over. Includes 3 video calls, 3D renderings with 2 revision rounds, up to 4 executive technical drawings, shopping list. Delivered in approximately 60 days. Advanced — €55/sqm (minimum 100sqm) The format for complex renovations or for those who want the maximum level of detail. Includes 5 video calls, renderings with 3 revision rounds, up to 8 technical drawings, cost estimate, remote artistic direction. For those who don't want to leave anything to chance. Concrete example: 120sqm apartment with Restylit Advanced → €6,600 for a complete project that includes everything needed to start the works with confidence. The same project with a physical studio in London or another major European city: €10,000-24,000. If you're planning a renovation and want to understand how to integrate the interior design project into your process, book a free 15-minute call with the Restylit team. We start from your floor plan and figure out together where to begin. Discover the Essential and Advanced packages → FAQ What is an interior design project for a renovation? An interior design project for a renovation is the complete document that defines how the space will look once the works are finished. It includes the definitive layout with precise measurements, the position of all systems, the materials chosen for every surface, photorealistic 3D renderings of every room, and a shopping list with the specifications of every product to be purchased. It's the reference document for the contractor, which makes it possible to get precise and comparable quotes. When should the interior design project be done: before or after choosing the contractor? Before. The interior design project must be developed before contacting contractors, not after. With a complete project in hand, contractor quotes become comparable line by line. Without a project, every contractor interprets the client's wishes differently and quotes are not comparable. Many costly mistakes arise precisely from doing things in the wrong order. What's the difference between an interior design project and an architectural project? The architectural project deals with structural and regulatory aspects: modifications to load-bearing structures, planning applications, compliance with building regulations. The interior design project deals with how the space will be lived in: layout, materials, furniture, lighting, aesthetics. For a renovation involving structural modifications or planning applications, both are needed. For the interior design project that defines how the space will feel, you need an interior designer or an architect specialising in interiors. Is the interior design project tax deductible? If the professional is a registered architect and signs the planning applications connected to the works, their fee may fall within the 50% Renovation Bonus expenses in Italy. The fee of a non-registered interior designer is not directly deductible. Always check with your accountant for your specific situation. Can I renovate without an interior design project? Yes, but it almost always pays not to. Those who renovate without a project make decisions about materials during the works, often in a rush and without being able to see how they interact with each other. The result is almost always: higher costs for variations during the build, recoverable purchasing mistakes of between €1,500 and €4,000, and a final space that doesn't fully match what was imagined. How long does it take to have the interior design project ready? With Restylit Essential and Advanced: approximately 60 days from when the material is received to delivery of the documents. With a traditional physical studio: 2-6 months. The difference depends mainly on the timelines for site visits and coordination, which in the online model are much more streamlined. Restylit is an Italian interior design company, entirely online. We design residential spaces with photorealistic 3D renderings, shoppable lists and technical drawings for the contractor — across Italy and Europe. Over 500 completed projects, 4.8/5 average. Discover the Essential and Advanced packages →

Learn more
Perché lo Spazio in Cui Vivi Ti Cambia (Anche Se Non Te Ne Accorgi)

Why the Space You Live in Changes You (Even When You Don't Notice)

Why the Space You Live in Changes You (Even When You Don't Notice) By Alberto, co-founder — Restylit Why does the home you live in affect your wellbeing? Because the physical environment acts directly on the nervous system, hormone levels and emotional regulation. It's not a matter of taste or aesthetics — it's physiology. Natural light changes cortisol and melatonin production. Visual order or disorder influences stress levels. The colour temperature of lighting affects mood. The space you come home to every evening is not neutral. It changes you, for better or worse, every single day. A Personal Story — That Might Sound Familiar Until a few years ago, I lived in a basement. Not a metaphor. An actual basement — poorly lit, furnished with whatever was available, with no project or intention behind it. A bed, a desk, an internet connection. Everything else seemed superfluous. I had no particular demands from the spaces I inhabited, and I didn't miss them. Then I met Mattea, my business partner, the architect. And something began to shift — not because she convinced me with technical arguments, but because being around her I started noticing things I'd never seen before. How I felt bad in certain spaces. How I felt good in others. How that difference wasn't random. I found the answer to what I was experiencing in an unexpected place: the writings of Carl Gustav Jung. Jung and the Home as a Second Skin Jung described the home as a second skin. The place where the social mask can finally come down. Where you stop being the colleague, the boss, the professional who always has it together. Where you simply go back to being yourself. It's a powerful image, and it's not just philosophy. Environmental psychology — a serious discipline with decades of research behind it — has demonstrated that domestic spaces measurably influence our psychophysical wellbeing. Research conducted at the University of Padua has shown significant correlations between environmental elements and physiological parameters, including variations in cortisol levels related to natural lighting and melatonin production in response to artificial circadian cycles. In other words: the wrong lightbulb in your bedroom isn't just aesthetically questionable. It's interfering with your sleep. How Space Acts on You — Concretely This is the part that struck me most when I started understanding these things. It's not about aesthetic preferences — it's about precise physiological mechanisms. Natural light and circadian rhythms Natural light is closely tied to circadian rhythms — the internal biological clock that regulates the sleep-wake cycle. Exposure to sunlight during the day helps maintain good mental health and promotes better quality sleep. A room with little natural light isn't just "less attractive." It's a room that interferes with your biological clock, reduces serotonin production during the day, and makes it harder to fall asleep at night. Visual order and cortisol The organisation of domestic environments affects comfort, the ability to relax and the management of daily activities. Elements such as natural light, ventilation, noise and order directly influence emotional regulation. A visually chaotic space — too many objects, a fragmented colour palette, furniture that doesn't work together — activates the nervous system in a subtle but continuous way. You don't experience it as stress, but your body registers it. You come home tired and you're not quite sure why. Nature and the parasympathetic system Natural environments are perceived as significantly more restorative than urban ones. Research published in Nature found that spending at least 120 minutes a week in nature is associated with higher levels of wellbeing and life satisfaction. You can't bring nature indoors literally — but you can bring its elements. Natural light, organic materials, plants, colours inspired by the natural palette. It's not aesthetics. It's biophilia — the instinctive human need to stay connected to the natural world. The colour temperature of artificial light We talk about this often on this blog. A 2700K (warm) light in the evening promotes melatonin production and prepares the body for rest. A light at 4000K or above does the opposite — it signals to the brain "it's still daytime, stay alert." It seems like a detail. It changes the quality of your sleep, and therefore the quality of every day that follows. The Italian Problem: Why Almost Nobody Thinks About This Here's the thing that gives me no peace. We know that diet influences health — and we think about it. We know that physical activity influences wellbeing — and we think about it. We know that relationships influence quality of life — and we think about it. But the space where we spend 60–70% of our lives — home — almost nobody designs consciously. In Italy, fewer than 10% of people have ever worked with a professional to design their own home. Not because they don't care. But because there has always been a cultural and economic barrier that made interior design something for the few. The architect was someone you called for a villa, not for the 70sqm apartment you live in every day. This distance — between people and the culture of domestic design — is why Restylit was born. What I Understood Coming Home Every Evening I'm not a designer. I haven't formed a professional opinion about the space I live in. But I stopped living in basements — in the literal and metaphorical sense. And I can say — without romanticising — that the difference is concrete, daily, measurable. There's a decompression when I walk through the door. A sense of "I'm in the right place." I don't need much more than that. Jung was right. Home is a second skin. And like skin, you feel it on you every moment — even when you're not paying attention. The question isn't whether the space you live in influences you. The answer is yes, always — whether you've designed it or not. The question is whether you want it to do so consciously. What You Can Do — Without Renovating Anything Some of the things that have changed my daily experience of spaces the most didn't require major works or significant budgets. 1. Change the lightbulbs First thing. Now. Any bulb above 3000K in the living room or bedroom — out. Replace it with 2700K. Costs a few euros. The difference in the evening is immediate. 2. Clear the surfaces Remove something instead of adding. A clear surface — a table, a shelf, a bedside table — gives a sense of order and breathing space that no additional purchase can provide. The brain interprets emptiness as calm. 3. Bring in natural light wherever you can Remove whatever is blocking your windows — heavy curtains, badly positioned furniture, objects on the windowsill. Natural light is the most valuable resource you have and it's almost always wasted. 4. Add one real plant Not for aesthetics. For the signal it sends to your nervous system — something alive, that grows, that requires care. Even a single plant in a corner changes the perceived quality of a room. 5. Choose a wall colour — the right one Not the default white. Not grey because "it goes with everything." A warm, considered colour that works with the light you have. You don't need four walls — one is enough. The Restylit Mission — Put Simply We design spaces where people finally feel like themselves. There was only one way to do it: lower the barriers and make professional talent accessible. Not €5,000 for a project. Not months of waiting. Not a mandatory physical site visit. An online process, a team of real architects, a 3D rendering that shows you what your home will look like before you move a single piece of furniture. From €289. Not because we want to devalue design. But because we believe that the space you live in — and what it makes you feel — shouldn't be a privilege. If you want to understand where to start, you can book a free 15-minute call with our team. No commitment — just a conversation about what isn't working in your space and how it could work better. Book the free call → FAQ Is environmental psychology an established science? Yes. It's an academic discipline that emerged in the 1960s with the work of Roger Barker and Harold Proshansky, and today includes sub-fields such as environmental neuroscience and restorative design. In Italy, researchers like Francesca Pazzaglia at the University of Padua conduct specific studies on the relationship between domestic space and psychophysical wellbeing. Do I need to renovate to feel better at home? No. Some of the most impactful variables — light, visual order, colour temperature — can be modified without structural work. Renovation amplifies the result, but it's not the mandatory starting point. How much does space really matter compared to other wellbeing factors? It's not possible to give a precise percentage — wellbeing is multifactorial. What research clearly indicates is that physical space is a real, non-negligible factor that operates continuously and subtly. It's not the most important factor, but it's the one most easily modified. Where does a Restylit consultation begin? With your floor plan and your photos. We understand the problem, then we build the solution — 3D renderings, shopping list, technical guidance. Online, across Italy and Europe. The home you live in isn't a backdrop. It's part of you. And if you don't feel well where you are — even vaguely, even without knowing why — it's worth asking whether the space has something to do with it. Discover Restylit projects → Restylit is an Italian interior design company, entirely online. We design residential and commercial spaces with photorealistic 3D renderings, shopping lists and technical drawings — across Italy and Europe.

Learn more
Fotovoltaico da Balcone: Non è Brutto Come Pensi (e Ti Fa Risparmiare Davvero)

Balcony Solar Panels: They're Not as Ugly as You Think (and They Actually Save You Money)

Balcony Solar Panels: They're Not as Ugly as You Think (and They Actually Save You Money) By Mattea, co-founder and Interior Architect — Restylit What are balcony solar panels? They're a mini solar installation — one or two photovoltaic panels mounted on a balcony, terrace or apartment railing — that produces electricity for direct use at home. A standard 800W kit costs between €350 and €850, requires no planning permission, no approval from the residents' association, and with the 50% renovation bonus the net cost halves. Estimated annual savings range from €250 to €440 depending on location and consumption patterns. It's one of the most searched home topics of 2025. And one where the main objection is always the same: "Sure, but it's ugly." Let's talk about that. The Aesthetic Problem — Addressed Directly I'll say something that most solar panel articles never say: the aesthetic objection is legitimate. A black solar panel propped against a balcony railing, tilted at an angle, with cables running down the wall — that's not a design element. It's a functional object that, if poorly positioned, can genuinely compromise the look of a terrace and a building facade. But "can be ugly" doesn't mean "is necessarily ugly." It means it requires a little thought — like almost everything in space design. The truth is that the latest balcony panels are far more considered aesthetically than those of ten years ago. They're slim, dark, with clean profiles. On a balcony with a black or anthracite railing, well integrated, they're barely noticeable. On a balcony with planters, wood and natural materials, they can become part of a coherent composition. The problem isn't the panel. It's how it's positioned. How It Works — The Technical Part Made Simple Before talking about aesthetic integration, it's worth understanding what you're actually installing. The two types of system Plug & play (up to 350W) — a single panel that connects directly to a dedicated socket. No technician needed. The simplest format, one you can order online and install yourself over a weekend. Cost: €350–600. Mini installation (up to 800W) — one or two panels with a micro-inverter. Requires installation by a qualified technician and notification to the local grid operator. No planning permission, no residents' association approval needed. Cost: €650–850 before incentives. How much does it actually produce An 800W system produces roughly 950–1,200 kWh per year depending on location — less in northern regions, more in the south. With energy costs around €0.37/kWh in 2025, the potential annual saving is €350–440. But there's an important variable: self-consumption. The energy produced during the day needs to be consumed in real time — what you don't use immediately isn't stored (unless you have a battery). If you're home during the day, your savings are maximised. If you're at work from 9 to 6, some of the energy produced during peak hours gets "donated" to the grid. How quickly do you recoup the investment? With an energy cost of €0.37/kWh and 65% self-consumption, the real saving in bills is around €252 per year for an 800W system without a battery. With the 50% renovation bonus, the net cost of the system drops to €325–425. Time to break even: 1.5–2 years. Not bad. The 2025 Rules: What You Can Do Without Asking Anyone's Permission This is the part that worries people most — and it's actually much simpler than it looks. No residents' association approval needed. Article 1122-bis of the Italian Civil Code establishes that residents can install photovoltaic systems for personal use on their own property without assembly consent, provided the installation doesn't compromise structural stability or significantly alter the building's architectural character. A February 2026 ruling by the Monza Tribunal further reinforced this — the condominium cannot block the installation. It's good practice to notify the building manager in writing, but it's a notice — not a request for permission. No planning permission needed. Systems up to 800W fall under simplified connection procedures introduced by ARERA, with no planning permits required as long as they don't alter the building's structure or aesthetics. They're classified as free construction works. What you actually need to do: For plug & play (up to 350W): nothing bureaucratic. Install and use. For mini systems (up to 800W): a single notification to the local grid operator. Done online, takes 15 minutes. 2025 Incentives — What You Need to Know 50% Renovation Bonus Balcony solar panels fall under the Renovation Bonus with a 50% IRPEF tax deduction on primary residences and 36% on other properties, up to €96,000 per unit, spread over 10 years. In practice: if you spend €800, you recover €400 over 10 years (€40/year off your tax return). Net effective cost: €400. Reduced VAT at 10% Purchase and installation benefit from 10% VAT instead of 22%. An automatic saving. How to access the bonus: Payment by dedicated bank transfer (with the required legal reference), keep the invoices, declare on your tax return. Nothing complicated — your accountant can handle it in five minutes. The Design Side: How to Integrate It Without Ruining the Terrace This is the part I most want to address — and that almost no solar panel article ever touches. Position is everything. A panel tilted randomly on a railing, pointed south but positioned at an odd angle with visible cables running down the wall — that's the "ugly" version everyone imagines. And it's avoidable. The best positions from an aesthetic standpoint: On the parapet or railing — with dedicated brackets that keep the panel vertical or slightly angled, clean in profile. If the railing is dark, the panel integrates almost completely. As a pergola or canopy covering — if the terrace already has a structure, panels become part of the roof. This is the most aesthetically successful solution and also the one that maximises output. On a ground-mounted tilted frame — in a corner of the terrace, as a standalone element. Works well if the terrace is large enough to incorporate it as part of the overall composition. The cables — the real aesthetic problem. The cable connecting the panel to the indoor socket is what, poorly managed, ruins everything. The solution is simple: wall-mounted cable channels in the same colour as the wall or floor, or painted plastic conduit. Costs a few euros and changes the whole visual result. Panel colour and finish. Modern panels are almost all matte black or gloss black. On a terrace with dark elements, plants, natural wood or metal — they integrate well. On a bright white terrace with light-coloured paving, they stand out more. In that case it's worth considering a railing-mounted position rather than floor level. The panel as part of the project. What I like most about balcony solar from a design perspective is this: if you think of it as part of the terrace project rather than an afterthought, everything changes. It's not an ugly box stuck on later — it's an element that produces energy, has its own logic, and is positioned where it needs to be. Exactly like any other functional element in a well-designed space. When It's Not Worth It — The Honest Answer I don't want to write the article that only says positive things. There are cases where balcony solar simply doesn't make sense. North-facing balcony. Orientation is everything. A north-facing balcony produces very little — often 40–50% less than a south-facing one. Break-even times stretch dramatically. Balcony shaded by other buildings. If direct sunlight only reaches you for a few hours a day, production is limited. It's worth making a realistic estimate before buying. If you're rarely home during the day. Without a battery, energy produced that you don't consume in real time is fed to the grid for free. If you work outside all day and come home in the evening, effective self-consumption will be low and savings smaller than expected. If your building has architectural heritage restrictions. Historic buildings, protected zones, facades with specific aesthetic requirements — in these cases the "must not alter the architectural character" clause of Article 1122-bis can be interpreted more strictly. Worth checking before you install. Storage Battery: Is It Worth It? A battery solves the self-consumption problem — it stores energy produced during the day and releases it in the evening when you need it. With a LiFePO4 battery, self-consumption rises from 60–70% to 80–95%. The additional cost is around €500–900, but the break-even time remains competitive, often between 4 and 6 years. Worth it if your consumption is concentrated in the evening — air conditioning, washing machine, cooking, television. Less worth it if you're home during the day and already consuming most of the produced energy in real time. The Question Everyone Asks: How Much Do I Actually Save? Let's do the honest maths, without excessive optimism. Typical scenario — apartment in Milan, south-facing balcony, family that works outside during the day: 800W system, no battery Estimated annual production: ~950 kWh Realistic self-consumption: 60% = 570 kWh self-consumed Annual saving: 570 × €0.37 = €211 System cost after 50% bonus: ~€375 Break-even time: under 2 years Optimal scenario — apartment in Rome, south-facing terrace, person working from home: 800W system, no battery Estimated annual production: ~1,200 kWh Realistic self-consumption: 80% = 960 kWh self-consumed Annual saving: 960 × €0.37 = €355 System cost after 50% bonus: ~€375 Break-even time: just over 1 year After breaking even, the system continues producing energy for 20+ years. That's a return that's hard to find elsewhere. FAQ Can I install balcony solar without telling anyone? For plug & play systems up to 350W, technically yes. For mini systems up to 800W, you need to notify the local grid operator (a simple online procedure) and it's good practice to inform the building manager, even though it's not an approval process. Does balcony solar increase property value? Marginally and difficult to quantify for balcony-scale systems. The main benefit is the immediate energy saving, not property appreciation. How many panels can I put on my balcony? Depends on available space and the power limit — 800W total for the simplified procedure. With 400W panels, that's two. With 350W panels, you can get close to the limit with slightly fewer. If I move, can I take the panels with me? Yes — that's one of the advantages of the balcony format versus rooftop panels. They're easily dismounted and reinstalled in the new apartment. Do balcony solar panels work in winter? Yes, but with reduced output. The worst months are December, January and February when performance drops 10–30% due to shorter daylight hours. The annual balance remains positive. It's not a solution for everyone and it doesn't solve everything. But for those with a well-exposed balcony, the possibility of recouping an investment in under two years on a system that lasts twenty is hard to ignore. And if you integrate it properly into the terrace design — rather than adding it as an afterthought — it can become a coherent part of a well-considered outdoor space. If you're rethinking your terrace or balcony and want professional advice on how to integrate it into the overall project → Restylit is an Italian interior design company, entirely online. We design residential and commercial spaces with photorealistic 3D renderings, shopping lists and technical drawings — across Italy and Europe.

Learn more

Leave a comment

Liquid error (layout/theme line 164): Could not find asset snippets/quantity-breaks-now.liquid