Prompt library · Interior design

Interior design prompts that render like a magazine

Ten tested prompts for room concepts — Japandi living rooms, moody kitchens, spa bathrooms, small-space studios. Each card shows the unedited render, the model that made it and what it cost.

01How to prompt

How do you write an interior design prompt?

Brief it like a photographer standing in the room, not like a mood board. The order that works: camera position, room type and style, three or four concrete pieces of furniture with materials, the light source and time of day, then a note on palette. “Wide-angle interior photograph of a Japandi living room — low oak sofa in oatmeal linen, black steel floor lamp, woven jute rug — late afternoon sun through sheer curtains, warm neutral palette.” Naming the materials is what separates a render that looks designed from one that looks like a stock photo: oak, travertine, brushed brass, bouclé, terrazzo all carry a whole visual language with them.

Two settings do the heavy lifting. Light direction sets the mood — “late afternoon sun raking across the floor” gives you warmth and long shadows, “overcast daylight from a north window” gives you the flat even light that catalogues use. And lens choice controls how the space reads: “wide-angle 24mm, camera at eye height” shows the whole room, “35mm detail shot” isolates a corner. Every render below is a first, unedited output generated on BananaBanana; drafting a full room in three styles costs about ten cents on Lite.

Can AI renders replace a real interior visualization?

For concept and mood work, yes — this is where they are genuinely useful. You can show a client four palettes for the same room in a couple of minutes, test whether a dark kitchen actually feels warm or oppressive, and settle a discussion about wood tone before anyone opens CAD. The images below are exactly that kind of artifact: convincing enough to sell an idea, cheap enough to throw away.

What they are not is a measured drawing. The model has no idea your ceiling is 2.4 m or that the window sits 80 cm off the floor, so proportions are plausible rather than accurate, and it will happily invent a wall socket that no electrician would sign off on. Use these for direction and mood, then hand the approved look to a real 3D or technical process. If you need the same room in several variations, keep the prompt identical and change one clause at a time — palette, or flooring, or light — so the comparison stays honest.

02The prompts

10 prompts, real results

Every image below is the unedited output of the prompt on its card — no cherry-picking across dozens of attempts, no retouching. The model badge shows exactly what generated it and what it cost.

AI-generated interior design example — Japandi living room, made with Nano Banana Pro on BananaBanana

Japandi living room

Nano Banana Pro$0.11 / image

Wide-angle interior photograph of a Japandi living room: a low oak-framed sofa in oatmeal linen, a round travertine coffee table, a black steel arc floor lamp and a large woven jute rug on pale ash floorboards. Late afternoon sun rakes through sheer linen curtains and lands in a warm stripe across the floor. Warm neutral palette, plastered off-white walls, one tall ceramic vase with a single dried branch. 24mm lens, camera at seated eye height, calm editorial interior photography.

AI-generated interior design example — Dark modern kitchen, made with Nano Banana Pro on BananaBanana

Dark modern kitchen

Nano Banana Pro$0.11 / image

Interior photograph of a modern kitchen with matte charcoal handleless cabinetry, a waterfall island in veined white marble and brushed brass tapware. Three slim glass pendants hang over the island, warm downlight pooling on the stone. Overcast daylight from a wide window on the left keeps the shadows soft; a bowl of green pears and a folded linen cloth are the only styling. 24mm lens, eye-level, moody contemporary interior photography.

AI-generated interior design example — Boutique hotel bathroom, made with Nano Banana 2 on BananaBanana

Boutique hotel bathroom

Nano Banana 2$0.06 / image

Interior photograph of a boutique hotel bathroom clad floor to ceiling in honed terracotta micro-cement, with a freestanding oval stone bathtub, an arched niche holding rolled white towels, and an unlacquered brass wall-mounted faucet. Warm morning light falls from a small high window, steam catching in the beam. Round frameless mirror, single potted olive tree in the corner. 28mm lens, spa-like and serene.

AI-generated interior design example — Small studio apartment, made with Nano Banana 2 on BananaBanana

Small studio apartment

Nano Banana 2$0.06 / image

Interior photograph of a compact 30-square-metre studio apartment designed for one person: a birch plywood platform bed with storage drawers beneath, a fold-down desk against the window, open shelving with books and two ceramic bowls, and a narrow galley kitchen in pale sage. Bright overcast daylight through a tall window, white walls, one arched paper lantern. 20mm wide-angle from the doorway corner, airy and uncluttered.

AI-generated interior design example — Home office nook, made with Nano Banana 2 Lite on BananaBanana

Home office nook

Nano Banana 2 Lite$0.03 / image

Interior photograph of a home office nook built into an alcove: a solid walnut desk against deep green wainscoting, a black task lamp, a rattan chair with a sheepskin throw, and floating shelves holding books and a small brass clock. Warm lamplight mixes with cool blue evening light from the window on the right. 35mm lens, cozy and focused, no computer screens visible.

AI-generated interior design example — Scandinavian bedroom, made with Nano Banana 2 Lite on BananaBanana

Scandinavian bedroom

Nano Banana 2 Lite$0.03 / image

Interior photograph of a Scandinavian bedroom: a low pine bed frame with rumpled white linen bedding and a chunky knit throw in oat, two paper globe pendants hanging on either side, and wide pale floorboards. Soft grey morning light from a large window with a linen roman blind half-lowered. Off-white plaster walls, one framed abstract print in pale sand tones. 24mm lens, quiet and restful.

AI-generated interior design example — Mid-century dining room, made with Nano Banana 2 on BananaBanana

Mid-century dining room

Nano Banana 2$0.06 / image

Interior photograph of a mid-century modern dining room: an oval teak table with four spindle-back chairs, a sculptural white globe pendant hanging low over the centre, a walnut sideboard against a mustard accent wall. Late golden-hour sun comes through a full-height window and stretches the chair shadows across a herringbone parquet floor. Ceramic carafe and two glasses on the table. 28mm lens, warm and nostalgic.

AI-generated interior design example — Industrial loft living, made with Nano Banana Pro on BananaBanana

Industrial loft living

Nano Banana Pro$0.11 / image

Wide interior photograph of an industrial loft: exposed red brick wall, black steel-framed factory windows spanning the far side, a deep leather chesterfield sofa in cognac, a reclaimed timber coffee table and a tall ficus in a concrete planter. Cool north light floods in and reflects off polished concrete floors; a bank of cage pendants overhead is switched off. 20mm lens, high ceiling with visible ductwork, cinematic and spacious.

AI-generated interior design example — Coastal sunroom, made with Nano Banana 2 Lite on BananaBanana

Coastal sunroom

Nano Banana 2 Lite$0.03 / image

Interior photograph of a coastal sunroom: white-painted tongue-and-groove walls, a rattan daybed with striped blue and white cushions, a rope-wrapped side table holding a stack of books, and terracotta tiles underfoot. Bright midday sun through a wall of glass doors casts crisp shadows of a potted palm. Pale driftwood tones, breezy and bright. 24mm lens, relaxed holiday-home feeling.

AI-generated interior design example — Moody reading corner, made with Nano Banana 2 on BananaBanana

Moody reading corner

Nano Banana 2$0.06 / image

Interior photograph of a reading corner in a study painted deep ink blue: a worn olive velvet armchair, an antique brass floor lamp throwing a warm pool of light, a small marble side table with a cup and an open book, and floor-to-ceiling bookshelves in shadow behind. Evening, curtains drawn, single warm light source, deep contrast. 35mm lens, intimate and quiet.

03Technique

What makes these work

Name materials, not adjectives

“Travertine, bouclé, brushed brass, ash floorboards” gives the model a palette and a texture map. “Luxurious modern” gives it nothing and returns the same beige hotel lobby every time.

Set the light before the furniture

“Late afternoon sun through sheer curtains” or “flat overcast light from a north window” decides the whole mood. Interiors generated without a stated light source come back evenly lit and lifeless.

State the lens and camera height

“24mm wide-angle at eye height” reads as a real estate photograph; “35mm detail shot” isolates a corner. Without it you get an unnaturally tall, warped perspective that gives the render away.

Change one clause per variation

To show a client three options, keep the prompt fixed and swap only the palette line — or only the flooring. Rewriting the whole prompt changes the room, not the option.

04More prompts

Keep browsing

05Learn more

Guides from the blog

06FAQ

Interior design prompts, answered

Can I use my own room photo as the starting point?

Yes. Upload the photo in the generator and describe the change — “keep the layout and window, replace the cabinetry with matte charcoal, add a marble island” — and Nano Banana edits the existing frame instead of inventing a new room. That is the fastest way to show a client their actual space in a different style.

Are the proportions accurate enough to build from?

No, and they aren't meant to be. The model has no dimensions, so ceiling heights, window placement and cabinet depths are plausible rather than measured. These renders are for direction and client buy-in; the approved look then goes into a proper 3D or technical drawing.

Which model should I use for interiors?

Nano Banana Pro handles complex reflections, glass and multi-source lighting the best, which is why the kitchen, loft and Japandi rooms above use it. Nano Banana 2 is a good middle ground, and Lite at $0.03 is right for drafting layouts and palettes before you commit.

Why does the render keep adding furniture I didn't ask for?

Interiors abhor a vacuum: if you list three items the model fills the rest of the room from its own imagination. Either list everything you want in the frame, or add an explicit “uncluttered, no additional furniture, empty walls” to hold the space open.

Can I get several angles of the same room?

Partially. Repeat the full description and change only the camera clause — “from the doorway”, “from the seated position on the sofa” — and you'll get a consistent style and palette, though not a geometrically identical room. For true multi-angle consistency, generate one hero render and edit it rather than re-prompting from scratch.

Copy a prompt, make it yours

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