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v0.5 is out: change your twin by hand or by chat, right in the web app. See what’s new

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A living twin of your home

Show Claude your floor plan, a photo or a sketch, or just describe it. Larea keeps a 2D and 3D copy of the home you live in, follows it as the real one changes, and never passes a guess off as a fact.

Get startedOpen your homes
Ground floorVersion 1Empty home
Floor plan that updates with the conversation: a 6 by 4 metre living room, a study of unknown size, a white oak floor and a 2.1 metre sofa against the south wall.N?StudySize unknown6.004.00Living room24.0 m²0.50Sofa 2.10
Stated by youAssumed, not measured
Claude CodeLarea connected
    An example session, using the real tools

    Works with the tools you use and the drawings you already have

    • Claude Code
    • Larea web app
    • Any MCP client
    • Floor plans
    • Room photos
    • Hand sketches

    Maple Street, the sample twin

    A one-bedroom flat, stored the way Larea stores yours. Every number here is read from it.

    Rooms
    3
    Floor area, from the outlines
    54 m²
    Pieces of furniture
    20
    Doors and windows
    7
    Saved versions
    v14
    Inferred, not yet confirmed
    1
    Drawn by the same viewer you get for your own home. The see-through armchair was read from a photo, and it stays that way until someone confirms it.

    Your home, as it really is

    CAD wants weeks of practice, and floor planners make you draw a home from scratch. Larea copies the one you already have, from your plan and your words, and keeps track of where each fact came from.

    Get started

    • Start from your plan

      A floor plan, a room photo or a sketch on paper. What Larea reads is a proposal you check against the real home first.

    • Keep it in step

      A new sofa, a repainted wall, a socket that moved: say what changed in your own words and units, and the twin follows.

    • Never a guess shown as fact

      Every element records where it came from. A wall read from a photo never looks like a measured one.

    • Asks when it isn’t sure

      If “the bedroom” could mean two rooms, you get a question. It never picks one for you.

    • Your home’s history

      Every change is a version, so you can open the home as it was before the renovation. Nothing is lost.

    • Try it before you make it

      Preview a new floor or a furniture layout on the twin, by chat or by dragging it in the web app. Undo puts it back as your home is.

    Honest about what it knows

    Every wall, pipe and sofa remembers where it came from, and the twin draws the difference. You always know what was measured and what was guessed.

    A small plan in the four line styles: heavy outer walls a professional verified, a thin partition you stated, an armchair dashed because it was read from a photo, and a hatched study of unknown size.Living roomKitchenStudy, size unknownArmchair, from a photo
    Verified
    Checked by a named professional. Nothing else is ever called verified.
    Stated by you
    Something you told Claude. Used everywhere, labelled as yours.
    Inferred
    Read from a floor plan or a photo. A proposal until you confirm it.
    Unknown
    Not measured yet. Left empty, never filled with a default.

    How a sentence updates the twin

    Claude understands what you mean. Larea decides what it touches. Each step is explicit, so a loose phrase never edits the wrong wall.

    1. Step 1

      You say it

      In your own words and units: “we put a white oak floor in the kitchen”.

    2. Step 2

      It finds the element

      “The kitchen floor” matches exactly one element, or none. Two candidates means a question.

    3. Step 3

      It checks the rules

      A sofa has to fit inside its room. A wall can’t go while a door still sits in it.

    4. Step 4

      It saves a version

      Each change is recorded with who made it. Preview it first, or undo it afterwards.

    Three homes, three conversations

    Worked examples of what people ask Larea and what comes back. Every tool named here is one Claude really calls.

    • “Here’s the floor plan from the listing. It’s the first floor, and the scale bar is 2 m.”
      • import_imageproposal ready
      • review_import6 rooms

      I read six rooms. The bathroom’s outline is unclear on the scan, so I left its size unknown. Check them before I add anything.

      Moving inTwo-bed flat, first floor
    • “What in the living room hasn’t been checked by anyone?”
      • get_scene_stateread

      The armchair and the socket by the window came from a photo and are unconfirmed. Nothing in the room is verified yet.

      Before the electrician comesDetached house, ground floor
    • “What would a white oak floor look like in the kitchen? Just show me, don’t save it.”
      • resolve_elementresolved
      • update_element_propertiesdry run

      Here’s the preview: white oak replaces the tiles across the whole kitchen. Nothing is saved, so the twin still shows your tiles.

      Planning a renovationTerraced house, two floors

    Latest releases

    Next is v1.0, a private beta: sign up, upload your plan and get your home’s twin in minutes. After that, what’s behind the walls: wiring and pipes.

    Read the roadmap

    • v0.5Latest

      Your way: talk or touch

      Change your twin in the web app by hand or by chat. Both see each other’s changes at once and share one undo.

    • v0.4

      It looks like my home

      A cut-away 3D dollhouse with real materials, furniture, windows and doors, and daylight that moves.

    • v0.2

      Show, don’t tell

      Start a twin from a floor plan, a room photo or a hand sketch, reviewed in conversation before it’s added.

    Start with the home you have

    Larea is an MCP server. Add it to Claude Code once, then talk to your home from any session. It runs locally today; a hosted server, signed in with a personal API key, comes next.

    1. 1Add the server from the Larea repository

      claude mcp add larea -- pnpm --filter @larea/mcp start

    2. 2Then describe your home as it is

      Start a twin of my home on Maple Street. The ground floor has a 5 by 4 m kitchen.
    Open your homesCreate an API key