3D Home Design Software (2026): 10 Tools Compared

It's hard to picture a room from a flat drawing. Seeing it in 3D, with the sofa in place and the light coming through the window, is what makes people confident enough to knock down a wall or order a kitchen.

The tools below range from free browser planners to professional modelling software. Some focus on decorating with huge furniture libraries, some on building a house to real dimensions, and some on phone-friendly remodelling. They're listed alphabetically and in no particular order, and each description comes from the tool's own website, read this week. If you only want to restyle one room, my guide on where to design rooms with AI for free is quicker.

3D home design tools side by side

I checked the free plan column on each tool's own website, as of Oct 2026. Yes means the site names the tool, an account or a plan or version of it as free, or says it's open source. Trial only means a time-limited trial or a small free allowance. Not stated means the pages I read named neither, even where there's a button inviting you to start, so check the tool's own page before you sign up.

Tool	Type	Good for	Free plan
Arcadium 3D	Free 3D house design tool	Designing in a browser for free	Yes
Architect 3D	Home design software for Windows and Mac	House and garden to real dimensions	Not stated
Home Design 3D	Home design app for phones and computers	Remodelling on a phone or tablet	Not stated
HomeByMe	Free 3D home design software	Decorating with 4K images	Yes
Homestyler	3D home design with cloud rendering	Huge furniture model libraries	Yes
InteriorBox 3D	Interior design software for Windows	Space planning without CAD skills	Not stated
Live Home 3D	Multi-platform home design app	Working across Apple, Windows and Android	Not stated
SketchUp	3D design software from Trimble	Buildable models for builders	Trial only
Space Designer 3D	Online floor plan and 3D design tool	Sketch to render in a browser	Trial only
Sweet Home 3D	Free interior design application	A free desktop planner	Yes

Ten 3D home design tools to try

Arcadium 3D

Best for: Homeowners who want 3D house modelling, floor plans and room design in the browser, plus an AI chat that builds 3D designs.

Architect 3D

Best for: Desktop users planning a house and garden to real dimensions, then rendering the result before any work starts.

Home Design 3D

Best for: People designing, furnishing and decorating a home in 3D on iOS, Android, PC or Mac, then sharing it with a large community.

HomeByMe

Best for: Homeowners who design in 2D, decorate in 3D and want realistic 4K images of the finished rooms.

Homestyler

Best for: Interior designers and homeowners who want a free floor planner, a large model library and cloud rendering in one place.

InteriorBox 3D

Best for: Windows users planning rooms and floor plans with no design experience, then taking a real-time 3D virtual tour.

Live Home 3D

Best for: Anyone who wants detailed floor plans and 3D renderings on whichever device they use, from iPhone to Windows.

SketchUp

Best for: Builders, architects and confident DIYers who want to turn ideas into buildable 3D models with professional-grade tools.

Space Designer 3D

Best for: People who want to draw walls, add doors and furnish rooms in the browser, then produce a photorealistic render.

Sweet Home 3D

Best for: Students and homeowners who want a free application to draw a home plan, arrange furniture and view it in 3D.

Which 3D tool fits your project

• A free start in the browser: Arcadium 3D.
• House and garden planned to real dimensions: Architect 3D.
• Realistic images of finished rooms: HomeByMe.
• Buildable models for a builder: SketchUp.
• A free desktop planner: Sweet Home 3D.

Check the rules before the model grows

The Planning Portal says that under permitted development rules, only half the area of land around the original house can be covered by extensions or other buildings. It also explains that going beyond the limits and conditions usually means applying for householder planning permission.

A 3D model makes it easy to keep adding space. Before you fall in love with a design, compare its footprint with the rules where you live, and treat the model as a way to test ideas rather than proof that they're allowed.

Get the basics right before you decorate

1. Measure every room, including ceiling height.
2. Mark doors, windows, radiators and sockets.
3. Draw walls at their real thickness.
4. Add fixed items such as stairs and the boiler.
5. Only then start placing furniture and finishes.

Browser planners, desktop programs and pro modellers

Browser planners are the quickest way in. You draw a room, drop in furniture and switch to 3D in minutes, with nothing to install. They're ideal for comparing layouts and showing a partner what you mean.

Desktop programs give you more control over dimensions, roofs and gardens, and they work offline. Professional modelling tools go further still, producing models a builder can work from. It's worth choosing based on what happens next: sharing an idea, planning a renovation, or handing drawings to a trade.

Each pick in the house design software comparison gets a short best-for line, which makes scanning quick.

3D design mistakes that cause problems later

• Guessing measurements. A few centimetres matter.
• Forgetting door swings. Furniture blocks them in real life.
• Trusting the lighting. Renders look brighter than rooms.
• Skipping structure. Removing walls needs expert advice.

Tool lists work best when you compare a few, and the AI floor plan generators comparison adds another.

Signs your 3D design is ready to share

• Every measurement matches the real room.
• You can walk through it without bumping into furniture.
• Doors, windows and storage all make sense.
• You've checked it against the local rules.

Do you make 3D home design tools? Tool makers can ask to be considered for a featured place on this list.

My plain advice on 3D home design software

Start with a free browser tool to test layouts, then move to a desktop or professional program only if you need more precision or drawings for a builder. Most people never need the heavy software, and you'll get more from measuring the real rooms carefully than from learning it.

Use the 3D view to make decisions, but don't let it replace advice from a designer, architect or structural engineer. If you're working on a smaller space, my guide to making a small bathroom look smarter is a useful next read.

Related: kitchen: guidelines and how to pitch.

Related: the home renovation page.

Frequently asked questions

What is 3D home design software?

Software that turns a floor plan into a 3D model you can furnish, decorate and walk through before any work starts.

Is there free 3D home design software?

Yes, several tools on this list name a free version or free use, so check the table.

Can I design a whole house in 3D?

Yes, most tools here handle full floor plans with several rooms, and some cover gardens and multiple floors.

Do I need design experience?

No, many browser and desktop tools are built for homeowners with no design or CAD background.

Can a builder work from my 3D model?

Some professional tools produce buildable models, but a builder or architect should still check them.

Do I need planning permission for my design?

It depends on the project and where you live, so check the local rules before you start building.