Apartment Interior 3D Walkthrough

A whole flat, not a set of rooms

The walkthrough above is an interior-only visualization of a modern apartment — foyer, living room, family area, kitchen, master bedroom, kids bedroom, bathroom and balcony, presented as one continuous journey. There is no exterior and no building shell, because for this kind of project the interior is the entire scope.

Presenting it as a journey rather than a gallery of images is the point. Interior schemes are usually shown as a set of isolated renders — one of the living room, one of the kitchen, one of the bedroom — and a client looking at them has no idea how the flat holds together. They cannot tell whether the kitchen is visible from the sofa, whether the hallway is dark, or whether the flooring that looks good in one room reads the same in the next. A walkthrough answers all of it in ninety seconds.

Apartments are harder than houses

This sounds counterintuitive, because an apartment is smaller and there is less of it to model. But the design constraints are much tighter, and that is precisely why the visualization earns its cost.

An apartment cannot be extended. The windows cannot be moved. The structural walls, the services risers, the ceiling height and the position of the front door are all fixed before the designer arrives. Everything has to be resolved inside a footprint that will not change, which means layout, storage and furniture scale carry far more weight than they do in a house, where a difficult problem can often be solved by making something slightly bigger.

The consequences of getting it wrong are also more expensive and less reversible. Joinery is built to order. Tiling is laid once. A sofa that is 200mm too deep for the living room does not become acceptable — it goes back, at your cost, and the replacement takes eight weeks. A wardrobe positioned without thinking blocks the only window in the bedroom.

A walkthrough puts real furniture at real dimensions into the real footprint before anything is ordered. That single function — proving the plan physically works — is often worth more to the client than everything aesthetic the render also delivers.

Who commissions these

• Interior designersPresenting a scheme a client can actually judge
• Apartment ownersChecking a renovation before committing to it
• DevelopersShow units and unit types sold off the plan
• Fitout contractorsPricing and building from clear intent
• Joinery & furniture suppliersPresenting a full-room solution, not a product
• Letting & sales agentsMarketing a unit before the fitout is finished

The brief differs by client. A designer wants accuracy, because the render is effectively a promise about what will be built. A developer wants aspiration, because the render is selling a lifestyle to a stranger. An owner wants reassurance, because they are about to spend a large amount of money on their own home. We ask which it is before the camera path is set, and it changes the styling, the lighting and the edit.

Light in a fixed footprint

Most apartments are single-aspect. Daylight arrives from one side and falls away quickly across the plan, so the living room by the window is bright and the far end of the same room is not. Internal bathrooms and hallways get no daylight at all. In dense buildings, a good share of what does arrive is not direct sun but light bounced off the facade of the building opposite, which is dimmer, cooler and comes in at an unhelpful angle.

We model that honestly — real window positions, real orientation, real depth of the plan. It would be easy to flood every room with light and produce a brighter, more flattering set of images, but it would be a lie, and the client would discover it on move-in day.

What matters more is what the artificial lighting then has to do. In an apartment, layered lighting is not decoration — it is how the far half of the plan becomes usable. Ceiling lights, joinery strip lighting, wall lights, table and floor lamps, and light bouncing off pale ceilings all carry a specific load. Rendering the scheme at realistic levels shows whether it works, and shows a designer whether their lighting plan actually resolves the dark corner they were worried about.

Detail matters more up close

Interiors are unforgiving. The camera is a metre from everything and anything simplified reads as fake immediately.

Flooring needs correct plank direction and scale — timber laid the wrong way across a room changes how long the space looks. Joinery needs real shadow gaps, handle detail and door thickness. Stone needs veining that runs across a benchtop rather than repeating every panel. Fabric needs proper fibre response, because a linen sofa, a velvet cushion and a wool rug behave completely differently under the same lamp. Tiling needs correct grout width, which sounds trivial and is one of the most common giveaways in poor interior renders.

And the flat has to be lived in. Books, plants, a throw across the arm of the sofa, cooking things on the bench, towels in the bathroom, toys in the kids room. An unstyled interior reads as a display home nobody wants — and for an owner deciding whether this will feel like their home, the styling is doing most of the emotional work.

What each room needs to communicate

What else comes from the same model

Building the model is the expensive part. Once it exists, everything else is comparatively cheap — and this is where most clients leave value behind.

• Still renders for client presentations, listings, portfolios and social media.
• 360° virtual tour so the client can stand in the room and look around at their own pace.
• Furniture layout plans and 3D floor plans that a non-technical client can read.
• Finish variants — the same flat with alternative flooring, joinery colours or tiling.
• Vertical 9:16 cutdowns for Instagram and Shorts, which is where interior designers win most new clients.
• Day and evening versions, which in an apartment are genuinely two different rooms.

Finish variants are the one worth pushing. Choosing flooring from a 100mm sample is guesswork — it changes completely across forty square metres. Choosing between two rendered images of the finished room is not guesswork, and it prevents the most common and most expensive change of mind in residential fitout.

How the project runs

1. Drawings and brief. Floor plan, finishes schedule, joinery details, appliance and fixture selections, reference imagery. A floor plan alone is enough to start.
2. Fixed quotation. One number, one delivery date, usually the same working day. Not hourly.
3. Grey-scale camera test. An untextured animation showing exactly where the camera goes and how long it holds. Approve the path before rendering begins.
4. Materials, lighting and styling. Surfaces, daylight from true window positions, layered artificial lighting, full dressing of every room.
5. First draft at reduced resolution with a watermark, for review.
6. Unlimited revisions included as standard.
7. Final delivery — 4K master plus every still, tour and cutdown ordered, by download link.

Five to seven business days is typical. Still images run two to three days. If you have a client presentation booked, say so at enquiry stage and we will tell you honestly whether the date is achievable.

What drives the price

Number of rooms. The biggest single factor. Each room is a separate modelling, lighting and styling job, and a bathroom takes nearly as long to prepare as a living room despite being a fraction of the size.

Runtime. Every second is thirty rendered frames. Most apartment walkthroughs sit between sixty seconds and two minutes.

Styling depth. A furnished-but-bare flat is cheap and communicates little. Full styling is where the hours go and where the emotional pull comes from.

Bespoke joinery. Custom wardrobes, kitchen cabinetry and built-ins have to be modelled from detail drawings rather than pulled from a library.

Finish variants. Inexpensive ordered upfront, expensive once the project has closed.

Mistakes worth avoiding

Not sending real furniture dimensions. If you have selected specific pieces, send the model numbers or the dimensions. Generic furniture at approximate scale defeats the main purpose of the exercise, which is proving the plan works.

Vague finish specification. "Light oak look" is not a specification. Send product ranges, tile names, paint codes, fabric references. Every guess may need redoing.

Asking for it brighter. Clients often want more light in a first draft because they are comparing it to a photograph taken at midday in a north-facing house. If the flat is single-aspect, an honest render is more useful than a flattering one.

Rushing the camera test. Last free moment to change anything. After lighting and materials are applied, a camera change means re-rendering.

Ordering the animation alone. The stills, the tour, the layouts and the vertical cuts cost a fraction once the model exists, and you will want all of them.

Where we work

Delivery is remote, so location makes no difference to price or schedule. We produce residential interiors for clients across Australia, the UK, USA, Canada, the Gulf and Southeast Asia. See our interior rendering services for other sectors, or the restaurant interior case study for hospitality work.

Frequently asked questions