AI second story addition

AI Second Story Addition: See an Extra Floor on Your Own House

Adding a floor to a bungalow or over a garage is one of the biggest changes you can make to a house, and it is hard to picture from a drawing. Upload a photo of the front of your house, pick the Residential type, and ArchitecturesAI renders the same view; then describe the extra floor in a sentence: where it goes, what it is clad in, how many windows, what the roof does. The result is an idea picture. It cannot tell whether your walls and foundations can carry another floor, what a planning authority would accept or what it costs, so it helps you decide what to ask an architect or a builder, and it is not a plan or a quote.

Try a second storey on your house photo

Sign in with Google or email to render. New accounts get 2 free renders (watermarked); free renders are not available in India on this site.

Front of a single-storey cream rendered house with a dark tiled hipped roof, a white front door with a small step, a white-framed window on each side of it, black gutters and downpipes, a gravel drive, a hedge, a fence and a lawn — Both images are AI-generated with our own image model. The "before" is an AI-drawn stand-in for a photo of a house; it is not a real house. Edit prompt used: "Change ONLY the roof level: replace the hipped roof with a smaller second storey on top of the house, set back from the front, clad in dark vertical timber boarding with a row of windows and a flat roof. Keep the cream ground floor walls, the front door, the ground-floor windows, the driveway, the lawn and the camera angle exactly the same." What followed it: the hipped tiled roof was replaced by a box-shaped second storey in dark vertical timber boarding with two windows and a flat roof with an overhang, and the cream walls, the front door, the two ground-floor windows, the gutters, the downpipes, the hedge, the fence, the lawn and the camera stayed in place. What differs from the prompt or the "before": we asked for the new storey to be set back from the front, but it rises almost in line with the front wall and sits on a pale band that was not there; the whole old roof is gone, and a thin dark flat roof edge now runs across the ground floor on both sides; the two new windows are different (a casement with a curtain on the left, a single fixed pane on the right); and the gravel drive looks coarser in the picture. The picture does not show how the new floor would be built on the old walls.

The same house with the tiled roof gone and a box-shaped second storey clad in dark vertical timber boarding on top, with two windows and a flat roof with an overhang, and a thin dark flat roof edge across the ground floor, with the same cream walls, door, windows, gravel drive, hedge, fence and lawn — Both images are AI-generated with our own image model. The "before" is an AI-drawn stand-in for a photo of a house; it is not a real house. Edit prompt used: "Change ONLY the roof level: replace the hipped roof with a smaller second storey on top of the house, set back from the front, clad in dark vertical timber boarding with a row of windows and a flat roof. Keep the cream ground floor walls, the front door, the ground-floor windows, the driveway, the lawn and the camera angle exactly the same." What followed it: the hipped tiled roof was replaced by a box-shaped second storey in dark vertical timber boarding with two windows and a flat roof with an overhang, and the cream walls, the front door, the two ground-floor windows, the gutters, the downpipes, the hedge, the fence, the lawn and the camera stayed in place. What differs from the prompt or the "before": we asked for the new storey to be set back from the front, but it rises almost in line with the front wall and sits on a pale band that was not there; the whole old roof is gone, and a thin dark flat roof edge now runs across the ground floor on both sides; the two new windows are different (a casement with a curtain on the left, a single fixed pane on the right); and the gravel drive looks coarser in the picture. The picture does not show how the new floor would be built on the old walls.

What an AI second story addition tool does

A second story addition tool shows a house with an extra floor, so you can judge the height, the look and the roof before you ask a builder. Some AI exterior tools work from a photo: they keep the camera and the rest of the house and redraw the roof level from your description. Others work from a text prompt only, with no photo of your house. Siding and window visualizers from manufacturers are built for colours and materials, so they are less suited to changing the height of a house.

The examples on this page show two ways to add a floor: a box in dark timber on top of a single-storey house, and a raised wing over a double garage. The tool does not know your structure, your local rules or what any of it costs.

How to try a second storey on your house with ArchitecturesAI

Click "Try a second storey on your house photo". The Render Architecture tool opens with Residential selected under Architecture Type. Sign in with Google or email.
Under "Please select an image", click Select Image and upload a JPG or PNG of the front of the house. Use a level, daylight photo with the whole house and the roof in frame, taken from far enough back to see the roof edge and some sky above it.
Pick the Style closest to the look you want (25 in total) and generate. Free accounts can only use Low quality (Medium and High are marked PRO).
To ask for the extra floor, use Custom Action or Edit Image on the result and describe it in a sentence: where it goes (the whole house or one wing), the cladding, the windows, the roof, and what must stay the same. Each edit uses credits. Run it a few times, since each result differs.
The examples on this page ran directly on our image model with the written instructions shown, not through this tool, so your result will differ.

Try a second storey on your house photo

Second storey ideas you can try

A smaller dark timber box on top of a single-storey house, as in the first example.
A raised wing over an attached garage, as in the second example.
The same house with different cladding on the new floor (timber, render, brick, siding) to see how it sits against the old walls.
A pitched roof or a flat roof on the new floor, and a different number of windows.
A new floor over one part of the house only, with the rest left as it is.

What the AI keeps and what it may change

Use this as a checklist when you compare a result with your house.

Usually kept: the camera angle, the ground-floor walls, the front door and the windows, the driveway and the lawn.
Often different from what you asked: how far the new floor is set back from the front, the cladding and the colour (in the garage example we asked for white siding to match and got grey shingles), the number of windows and small extras such as shutters.
Often changed without being asked: the old roof (in the timber example all of it is gone), a vent or a gable that sat on the old roof, and small details on the wall.
Sometimes wrong in physical terms: a new floor that does not sit on the walls below, no stairs or floor level, no roof drainage.
Never produced: measurements, structure, a materials list, a quote or a check on whether your house can carry another floor.

Front of a single-storey white-siding ranch house with a grey shingle roof, a pale green front door under a small gabled porch, two windows, an attached double garage on the right with a white garage door and a vent in its gable, a concrete driveway and a lawn — An AI-generated pair made with our own image model. The "before" is an AI-drawn stand-in for a photo, not a real house. Edit prompt used: "Change ONLY the right-hand garage wing: raise it into a full two-storey wing, with a second floor above the double garage door in the same white siding, two white windows on the upper floor and a taller grey shingle gable roof over it. The left part of the house stays single-storey. Keep the garage door, the front door, the windows, the driveway, the lawn and the camera angle exactly the same." This is a second attempt: the first prompt (second storey over the garage only) only added a window in the gable, so we asked for the wing to be raised and ran it again with other random seeds; we show one result. What followed it: an upper floor with a gable roof now stands over the garage wing, and the left part of the house stays single-storey, with the garage door, the front door, the windows, the driveway, the lawn and the camera in place. What differs from the prompt: we asked for white siding to match and two windows; the new floor is clad in grey shingles, has a row of three windows with black shutters on both sides, and the old garage gable with its vent is gone, with a short lower roof across the garage front in its place. The garage wing now reads as a separate grey block more than as a wing of the house.

The same house with a grey shingle-clad upper floor with a gable roof over the garage wing, three windows in a row with black shutters on each side, and a short lower roof across the garage front, with the same garage door, front door, windows, driveway and lawn — An AI-generated pair made with our own image model. The "before" is an AI-drawn stand-in for a photo, not a real house. Edit prompt used: "Change ONLY the right-hand garage wing: raise it into a full two-storey wing, with a second floor above the double garage door in the same white siding, two white windows on the upper floor and a taller grey shingle gable roof over it. The left part of the house stays single-storey. Keep the garage door, the front door, the windows, the driveway, the lawn and the camera angle exactly the same." This is a second attempt: the first prompt (second storey over the garage only) only added a window in the gable, so we asked for the wing to be raised and ran it again with other random seeds; we show one result. What followed it: an upper floor with a gable roof now stands over the garage wing, and the left part of the house stays single-storey, with the garage door, the front door, the windows, the driveway, the lawn and the camera in place. What differs from the prompt: we asked for white siding to match and two windows; the new floor is clad in grey shingles, has a row of three windows with black shutters on both sides, and the old garage gable with its vent is gone, with a short lower roof across the garage front in its place. The garage wing now reads as a separate grey block more than as a wing of the house.

From the idea to a real second storey

The image is for deciding what you like and for explaining it to a professional. Adding a floor is a structural change: the walls and foundations have to carry it, the roof is rebuilt, and stairs have to go somewhere. In most places it needs approval and has to meet building rules, and the height, the look and the neighbours can all matter. None of that can be read from a picture. Show the image to an architect or a structural engineer, and ask your local authority what applies.

For a smaller addition, see the house extension page; for the roof on its own, see the roof page; and for the look of the whole front, see the house facade page.

AI idea picture, a builder or an architect?

ArchitecturesAI. No setup: upload a photo, describe the extra floor and get a picture back. Good for comparing heights and looks; not to scale and not a structural idea.
A builder or a design-and-build firm. Can tell you what is usual, and quotes the work, but takes a visit and a wait.
An architect and a structural engineer. Drawings, structure and the paperwork for approval. Needed before any change to the structure or the roof.

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 "before" images on this page are AI-drawn stand-ins, not photos of real houses.

Frequently asked questions

Can AI show a second storey on my own house photo?

Yes, as a concept picture. Upload a photo of the front of your house, then describe the extra floor with Custom Action or Edit Image on the result. It keeps the camera and the ground floor and redraws the roof level as you describe it, but it is not to scale and it knows nothing about your structure.

What should I write to ask for an extra floor?

Say where it goes, the cladding, the windows and the roof, and what stays the same: for example, a smaller second storey in dark vertical timber on top of the house with a flat roof, and keep the ground-floor walls, the door, the windows, the drive and the camera the same. In our tests it followed the idea, but it also changed the cladding, the window count and the setback, and one attempt only added a window until we asked for the wing to be raised.

Will the picture tell me if my house can take another floor?

No. Whether the walls and foundations can carry another floor is a question for a structural engineer or an architect. The picture shows none of it.

Can I add a floor over only the garage or one wing?

You can describe it. The second example on this page does that, and it gave a grey block that did not match the white walls we asked for, so check the result against your prompt.

Do I need permission to add a second storey?

In most places, yes, but it depends on where you live, the house and the design. Height, look and the effect on neighbours can all matter. A picture does not answer that. Ask your local authority or a professional before you build.

What photo should I upload?

A level photo in daylight with the whole house and the roof in frame, taken from far enough back to see the roof edge and some sky above it, with as little clutter as possible. Crop out text and toolbars.

Is it free to try?

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

See the extra floor before you pay for it

Upload a photo of your house, describe the extra floor, and compare a few versions. Your first 2 renders on a free account are on us.

Try a second storey on your house photo