Garden room design

Garden Room Design: See It at the End of Your Garden

A garden room is an insulated building at the end of the garden that you can use all year: a home office, a gym, a studio or a quiet retreat. People search for garden room design when they want to see one in their own garden, or picture an old shed as an office, before ordering. This AI garden room design tool starts from a picture: upload a photo of your garden or shed, or a sketch, and ArchitecturesAI renders it in the same view; then describe the cladding, the roof, the glazing and the deck in a sentence. The result is an idea picture of the outside. It is not a floor plan, a structural design or a quote.

Upload your garden photo or sketch

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.

A long back garden with a lawn, panel fences on both sides, a small tree, a brick path in front and an empty far end under an overcast sky — An AI-generated pair made with our own image model. The "before" is an AI-drawn stand-in for a photo of a back garden, not a real site. Edit prompt used: "Build a modern garden room at the far end of this garden: a single-storey flat-roofed timber building clad in black vertical boards, full-height glazed sliding doors across the front in grey aluminium frames, a narrow composite deck, two small outdoor wall lights and a planter. Keep the lawn, the fences, the path, the tree and the camera angle exactly the same." What followed it: a single-storey flat-roofed timber garden room in black vertical boards, glazed doors in grey frames, a narrow composite deck and a planter; the lawn, the fences, the path and the tree stayed. What differs from the prompt: the glazing is a central set of doors with side panels, not full-width sliding doors, and only one wall light is visible. Added without being asked: a sofa inside. We ran this one once.

The same garden with a flat-roofed garden room at the far end clad in black vertical boards, grey-framed glazed doors with side panels and a sofa inside, a narrow grey deck, a planter and a wall light — An AI-generated pair made with our own image model. The "before" is an AI-drawn stand-in for a photo of a back garden, not a real site. Edit prompt used: "Build a modern garden room at the far end of this garden: a single-storey flat-roofed timber building clad in black vertical boards, full-height glazed sliding doors across the front in grey aluminium frames, a narrow composite deck, two small outdoor wall lights and a planter. Keep the lawn, the fences, the path, the tree and the camera angle exactly the same." What followed it: a single-storey flat-roofed timber garden room in black vertical boards, glazed doors in grey frames, a narrow composite deck and a planter; the lawn, the fences, the path and the tree stayed. What differs from the prompt: the glazing is a central set of doors with side panels, not full-width sliding doors, and only one wall light is visible. Added without being asked: a sofa inside. We ran this one once.

What people use garden rooms for

Which?, Summerhouse24, Garden Buildings Direct and Green Retreats describe the garden room as a building used all year, not a summer shed. Their advice covers:

Uses: a home office, a gym, a studio or a quiet retreat.
Walls in timber cladding, brick or mostly glass.
Insulation (often SIPs panels) and double glazing so it works in winter.
A place at the back of the garden, often against the boundary.
Checking planning rules first; the guides note height limits near boundaries.

How to try a garden room design with ArchitecturesAI

In the editor above, the mode is Render Architecture, the type is Residential and the style is Contemporary. This mode has no prompt box: you start from an image.
Under Select Image, upload a JPG or PNG: a daylight photo of the end of your garden or of the shed you want to change, or a sketch, a clay model or a screenshot from your 3D software.
Click Generate. Free accounts can only use Low quality (Medium and High are marked PRO). Sign in with Google or email when asked.
To steer the result, click Edit Image on it (the box is called Edit Instructions) or use Custom Action, and describe the cladding, the roof, the doors and windows, the deck and what you will use it for and what must stay the same. Each edit is another render and uses credits. Run it a few times, since every result differs.
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.

Upload your garden photo or sketch

A new garden room at the end of the garden

A photo of the empty end of the garden is the best starting point. Our example kept the lawn, the fences and the tree, and used a smaller set of doors than asked.

Turning a shed into an office, or a sketch into a photo

An old shed can become an office in a picture without changing size. A sketch keeps its roof, doors and deck and gains cedar and planting.

An old brown timber shed with a mossy felt pitched roof, a four-pane window and a plank door on a lawn with panel fences under an overcast sky — An AI-generated pair made with our own image model. The "before" is an AI-drawn stand-in for a photo of a garden shed, not a real shed. Edit prompt used: "Turn this shed into an insulated garden office: grey-green painted larch cladding, a dark flat roof with a thin fascia, a large glazed door and a tall side window in anthracite frames, a desk and chair visible inside, a small step and gravel around it. Keep the building size, the lawn, the fence and the camera angle exactly the same." What followed it: grey-green painted cladding, a dark fascia, a larger anthracite-framed window and a tall glazed door, and a desk and a chair inside; the size, the lawn and the fence stayed. What differs from the prompt: the mossy pitched roof stayed instead of becoming flat, and there is no gravel. We ran this one once.

The same shed as a garden office with grey-green painted cladding, a new dark fascia, a larger anthracite-framed window, a tall glazed door, and a desk and an office chair visible inside — An AI-generated pair made with our own image model. The "before" is an AI-drawn stand-in for a photo of a garden shed, not a real shed. Edit prompt used: "Turn this shed into an insulated garden office: grey-green painted larch cladding, a dark flat roof with a thin fascia, a large glazed door and a tall side window in anthracite frames, a desk and chair visible inside, a small step and gravel around it. Keep the building size, the lawn, the fence and the camera angle exactly the same." What followed it: grey-green painted cladding, a dark fascia, a larger anthracite-framed window and a tall glazed door, and a desk and a chair inside; the size, the lawn and the fence stayed. What differs from the prompt: the mossy pitched roof stayed instead of becoming flat, and there is no gravel. We ran this one once.

A pencil line sketch of a small garden room with a hipped roof, glazed double doors, a tall narrow window, a small deck and a planter — 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 garden room in a UK garden: natural cedar cladding, a dark grey roof edge, black framed glazing, a cedar deck, lavender in the planter, a lawn and a fence. Keep the garden room shape, the pent roof, the doors, the window, the deck and the camera angle exactly the same." What followed it: natural cedar cladding, black-framed glazing, a cedar deck, lavender, a lawn and a fence; the shape, the doors, the window and the deck stayed as drawn. What differs from the prompt: the sketch itself has a hipped roof, not the pent roof named in the prompt, and the render kept it; the lavender grows beside the deck while the planter holds another plant. Added without being asked: climbing roses and trees. We ran this one once.

A photo-like render of the same garden room in natural cedar with a dark grey hipped roof, black-framed glazing, a cedar deck, lavender, a lawn and a fence — 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 garden room in a UK garden: natural cedar cladding, a dark grey roof edge, black framed glazing, a cedar deck, lavender in the planter, a lawn and a fence. Keep the garden room shape, the pent roof, the doors, the window, the deck and the camera angle exactly the same." What followed it: natural cedar cladding, black-framed glazing, a cedar deck, lavender, a lawn and a fence; the shape, the doors, the window and the deck stayed as drawn. What differs from the prompt: the sketch itself has a hipped roof, not the pent roof named in the prompt, and the render kept it; the lavender grows beside the deck while the planter holds another plant. Added without being asked: climbing roses and trees. We ran this one once.

What the AI keeps and what it may change

Usually kept: the camera angle, the garden, the fences, the size of an existing shed and the shape of a sketch.
Often different from what you asked: roof types, door widths, lights and paths.
Often added without being asked: furniture inside, roses and trees.
Never produced: floor plans, structure, insulation specifications, planning advice or quotes.

A glass room on the house instead?

A conservatory is joined to the house; see our conservatory design page. For more outdoor buildings, see the tree house and pool house design pages, and for turning a garage into a room, the garage conversion ideas page.

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 garden, the shed and the sketch 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

What is a garden room?

An insulated building in the garden, used all year as an office, a gym, a studio or a retreat. Unlike a shed, it has insulation, proper glazing and usually power.

Can I see my old shed as a garden office?

Yes, as an idea picture. In our example the shed got new cladding, new glazing and a desk inside, but kept its pitched roof.

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 garden room before you order

Upload your garden, your shed or your sketch, compare a few versions, and take the best one to your supplier. Your first 2 renders on a free account are on us.

Upload your garden photo or sketch