Three storey house design

Three Storey House Design: See the House on Your Plot

People searching for a three storey (or 3 story) house design are usually building on a narrow or expensive plot, where going up is the only way to fit parking, living rooms and bedrooms. This AI three storey house design tool turns a photo of the plot, a sketch or a clay model into a photo-like front view of the finished house in the same view; then you describe the walls, the balconies, the louvres and the roof terrace in a sentence. The result is an idea picture of the outside. It is not a floor plan, a structural design or a quote.

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A narrow concrete plot between a three-storey brick building on the left and a two-storey sided house on the right, with fences, power lines and a white wall at the far end

Before: narrow plot between buildings (AI-drawn stand-in for a photo)

The same plot with a white three-storey house at the far end, open parking on the ground floor, a glass-railed balcony with grey vertical louvres on the second floor and a roof deck with a railing and a fabric shade canopy

After: a modern three-storey house on a narrow plot

An AI-generated pair made with our own image model. The "before" is an AI-drawn stand-in for a photo of a narrow plot, not a real site. Edit prompt used: "Build a modern three-storey house on this narrow plot: the ground floor as an open car parking space behind a black sliding gate, white plastered walls on the upper floors, a balcony with a glass railing on the second floor, vertical grey louvres on the third floor, a flat roof deck with a railing and a small shade canopy. Keep the neighbouring buildings, the lane, the power lines and the camera angle exactly the same." What followed it: open car parking on the ground floor, white walls on the upper floors, a balcony with a glass railing, vertical grey louvres, and a roof deck with a railing and a shade canopy; the neighbouring buildings, the lane, the power lines and the fences stayed. What differs from the prompt: there is no black sliding gate, the louvres are on the second floor rather than the third, and the house sits at the back of the plot. We ran this one once.

Why build three storeys, and what people look for

Design sites such as DesignsCAD and Mytour, and projects published on Dezeen, show three-storey houses mostly on narrow or costly plots, where building up is the way to get more rooms. Common features:

  • Car parking or a garage on the ground floor.
  • Balconies with glass or metal railings on the upper floors.
  • A roof terrace with a railing, shade or plants.
  • Louvres or screens for privacy and sun.
  • Two or three materials stacked floor by floor.

How to try a three storey house design with ArchitecturesAI

  1. In the editor above, the mode is Render Architecture, the type is Residential and the style is Modern. This mode has no prompt box: you start from an image.
  2. Under Select Image, upload a JPG or PNG: a daylight photo of the plot taken from the street, a photo of an existing house, or a sketch, a clay model or a screenshot from your 3D software.
  3. Click Generate. Free accounts can only use Low quality (Medium and High are marked PRO). Sign in with Google or email when asked.
  4. To steer the result, click Edit Image on it (the box is called Edit Instructions) or use Custom Action, and describe the materials floor by floor, the balconies, the parking, the louvres and the roof terrace and what must stay the same. Each edit is another render and uses credits. Run it a few times, since every result differs.
  5. The three examples below ran directly on our image model with the written instructions shown. They did not go through the editor above, so your own results will differ.

A three-storey house on a narrow plot

Narrow plots between existing buildings are the most common starting point. This example kept the neighbours and the power lines, and placed the house further back than you might expect.

A narrow concrete plot between a three-storey brick building on the left and a two-storey sided house on the right, with fences, power lines and a white wall at the far end

Before: narrow plot between buildings (AI-drawn stand-in for a photo)

The same plot with a white three-storey house at the far end, open parking on the ground floor, a glass-railed balcony with grey vertical louvres on the second floor and a roof deck with a railing and a fabric shade canopy

After: a modern three-storey house on a narrow plot

An AI-generated pair made with our own image model. The "before" is an AI-drawn stand-in for a photo of a narrow plot, not a real site. Edit prompt used: "Build a modern three-storey house on this narrow plot: the ground floor as an open car parking space behind a black sliding gate, white plastered walls on the upper floors, a balcony with a glass railing on the second floor, vertical grey louvres on the third floor, a flat roof deck with a railing and a small shade canopy. Keep the neighbouring buildings, the lane, the power lines and the camera angle exactly the same." What followed it: open car parking on the ground floor, white walls on the upper floors, a balcony with a glass railing, vertical grey louvres, and a roof deck with a railing and a shade canopy; the neighbouring buildings, the lane, the power lines and the fences stayed. What differs from the prompt: there is no black sliding gate, the louvres are on the second floor rather than the third, and the house sits at the back of the plot. We ran this one once.

From a sketch or a 3D model to a photo-like front view

If you already have a sketch or a simple 3D model, the render keeps the three floors and adds the materials. Both examples changed some details, listed in the captions.

A pencil line sketch of a tall narrow three-storey house with a garage door and a front door on the ground floor, a balcony on the first floor, a window with a small railing on the second floor and a rooftop railing

Before: line sketch of a three-storey house (AI-drawn stand-in for a hand sketch)

A photo-like render of the same three-storey house with light grey stone on the lower two floors, warm wood panels on the top floor, black windows, a glass balcony railing, a dark grey garage door and a rooftop railing with plants

After: sketch turned into stone, wood and glass

Both images are AI-generated with our own image model. The sketch is an AI-drawn stand-in for a hand sketch, not a real drawing. Edit prompt used: "Turn this line sketch into a realistic daylight photo of the same three-storey house: light grey stone cladding on the ground floor, white plaster above, warm wood panels on the top floor, black framed windows, a glass balcony railing, a dark grey garage door, a rooftop railing with plants and a blue sky. Keep the house shape, all three floors, the balcony, the doors, the windows and the camera angle exactly the same." What followed it: all three floors as drawn, warm wood panels on the top floor, black-framed windows, a glass balcony railing, a dark grey garage door and front door, a rooftop railing with plants and a blue sky. What differs from the prompt: the stone covers the ground and first floors, and white plaster appears only as thin trim bands. Added without being asked: boundary walls with grey gates, a hedge and trees. This is our second attempt: the first sketch the model drew had only two floors, so we made a new "before" and ran it again. The pair shown is the second run.
A plain white clay model of a three-storey corner house with a flat roof terrace behind a parapet, a recessed entrance and a small projecting box window on the middle floor

Before: clay model of a three-storey house (AI-drawn stand-in for a 3D model)

A photo-like render of the same house with dark brick on the ground floor, white render above, black-framed windows, a white projecting box window, a dark wood door, a roof terrace with a black railing and potted plants, a pavement and a blue sky

After: clay model turned into brick and render

Both images are AI-generated with our own image model. The clay model is an AI-drawn stand-in for a 3D model, not a real project file. Edit prompt used: "Turn this clay model into a realistic daylight photo of the same three-storey house: dark brick on the ground floor, white smooth render on the upper floors, a black metal frame around the projecting box window, black framed glass, a dark wood front door, a few plants on the roof terrace, a pavement in front and blue sky. Keep the house shape, the recessed entrance, the box window, the roof terrace and the camera angle exactly the same." What followed it: dark brick on the ground floor, white smooth render on the upper floors, black-framed windows, a dark wood front door, plants on the roof terrace, a pavement and a blue sky; the shape, the box window and the roof terrace stayed. What differs from the prompt: the box window stayed white render with no black metal frame, and the entrance is flush with the wall rather than recessed. Added without being asked: a railing on the roof terrace, neighbouring houses and fences. This is our second attempt: the first clay model came out as an odd tower with extra walls, so we made a new "before" and ran it again. The pair shown is the second run.

What the AI keeps and what it may change

  • Usually kept: the camera angle, the neighbours, the number of floors and the shape of a sketch or model.
  • Often different from what you asked: where the house sits on a plot, gates, which floor gets which material, and recessed details.
  • Often added without being asked: railings, walls, gates and trees.
  • Never produced: floor plans, structure, plot setbacks, cost estimates or approval drawings.

Two storeys instead?

Our two storey house design page has the same kinds of examples for two floors, and the second story addition page starts from a photo of an existing house.

Free tier and plans

You need a free account to render. New accounts get 2 free renders, and free renders carry a watermark. In India this site does not include free renders, so a paid plan is needed there. Weekly, monthly and yearly plans for more renders without the watermark are on the pricing page.

The plot, the sketch and the clay model on this page are AI-drawn stand-ins, not real. Each example was run directly on the model, not through the tool above.

Frequently asked questions

Can AI design a three storey house?

It can draw exterior idea pictures: a three-storey house on a photo of your plot, or a photo-like view of your sketch or 3D model. It does not draw floor plans or check plot rules.

Is it "three storey" or "3 story"?

Both mean the same: "storey" is the British and Commonwealth spelling, "story" the American one. The tool works the same either way.

Is there a text box in the editor?

The prompt box exists only in Architecture Generator mode. The editor above opens in Render Architecture, where you upload an image and change the result with Edit Image (Edit Instructions) or Custom Action.

Is it free to try?

Yes. After you sign in, a new account gets 2 free renders with a watermark, in Low quality. In India this site does not include free renders. Paid weekly, monthly and yearly plans are listed on the pricing page.

See your three-storey house before you build

Upload your plot, your sketch or your model, compare a few front views, and take the best one to your architect or builder. Your first 2 renders on a free account are on us.

Upload your plot photo or sketch

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