DraftGecko

Floorplan & materials estimation, simplified

Upload floorplans and get structured room areas, material quantities, and professional takeoff reports — without tracing every wall by hand.

Why DraftGecko

Upload & measure

Drop PDF or image floorplans; we extract rooms, walls, and areas automatically.

Material takeoffs

Get quantities for flooring, paint, trim, drywall, and more from your plans.

Export & share

Export to spreadsheets or send estimates to your team and clients.

Estimating quantities from floorplans

A quantity takeoff turns a flat drawing into the numbers you need to bid, buy, and build. Traditionally that means manually measuring every room on screen or with a scale ruler — slow, tedious, and easy to miss a closet or misread a dimension.

DraftGecko reads your floorplan as a visual document: it identifies enclosed spaces, estimates their areas from scale and geometry on the drawing, and maps those measurements to material line items. A living room becomes flooring square footage; perimeter walls become paint or skirting length; zones can roll up into project totals with waste allowances applied.

The output is a structured takeoff — not just a picture with highlights — so you can plug quantities straight into spreadsheets, estimating software, or client proposals.

  1. 1

    Upload your floorplan

    Drop a PDF or image of your architectural drawing. Multi-level projects are supported — assign each plan to a building level.

  2. 2

    AI reads rooms and dimensions

    Vision models locate walls, rooms, and zones on the drawing. Each space gets a label, bounding region, and estimated area in square metres or feet.

  3. 3

    Quantities are calculated

    Areas feed into material rules: flooring coverage, paint by wall surface, drywall sheets, trim lengths, and custom constants from your project library.

  4. 4

    Review, export, and share

    Inspect results on an overlay of your plan, adjust where needed, and export takeoff tables to CSV or Excel for estimates and client reports.

Who uses and needs floorplan takeoffs?

Anyone who prices or orders materials from architectural drawings benefits from faster, repeatable quantity extraction — especially when plans arrive as PDFs rather than editable CAD.

  • General contractors & builders

    Price jobs before breaking ground — room areas, wall lengths, and material counts from architectural PDFs without hours of on-screen digitizing.

  • Quantity surveyors & estimators

    Turn plan sets into structured takeoff tables for flooring, paint, drywall, trim, and more. Apply waste factors and unit costs in one workflow.

  • Architects & designers

    Validate spatial assumptions early, compare scheme options, and hand off clear quantity summaries to clients and contractors.

  • Developers & property managers

    Scope renovations, fit-outs, and maintenance across portfolios when you only have PDF floorplans — not native CAD files.

  • Subcontractors & suppliers

    Flooring, painting, HVAC, and other trades need accurate areas and counts to bid confidently and order the right quantities.

  • Homeowners & DIY renovators

    Understand how much material a remodel really needs before you buy — especially when plans come as scans or exported PDFs.

Save time and reduce costly errors

Manual takeoffs on a typical residential floorplan can take one to three hours per sheet — more for commercial layouts with dozens of rooms. A missed bathroom, a transposed decimal, or a wall measured twice can swing a bid by thousands or leave you short on site.

Minutes, not hours

Upload a plan and receive a first-pass takeoff in minutes. Your team spends time reviewing and refining — not clicking every corner from scratch.

Consistent methodology

The same extraction and calculation pipeline runs on every project, so junior estimators and senior QS staff work from the same structured starting point.

Visual verification

Bounding boxes drawn over your floorplan make it obvious when a room was misread or merged — catch mistakes before they reach a quote.

Audit trail

Raw extraction, analysis steps, and final reports are stored per project so you can trace where every quantity came from.

AI-assisted takeoffs are not a replacement for professional judgement — they are a faster first draft. DraftGecko is built for human review: inspect overlays, adjust labels, and export only when you are satisfied.

How large language models see floorplans

A floorplan PDF is not a spreadsheet — it is a raster image of lines, text, symbols, and scale bars. Vision-capable LLMs (multimodal models) process that image much like a human would: they look at wall lines, door swings, room labels, and overall layout to infer enclosed spaces and their relationships.

DraftGecko uses a dedicated vision extraction step. The model is prompted to describe adjacencies first, then return structured JSON: room names, bounding regions on the canvas, and confidence scores. Those regions are validated for sensible coordinates (non-overlapping boxes, correct min/max ordering) before quantities are calculated.

What the model outputs

  • Room labels — e.g. Kitchen, Bedroom 2, Hall, parsed from text on the drawing or inferred from layout.
  • Spatial regions — bounding boxes that map each room to a region on the plan image, used for overlays and area estimation.
  • Areas and dimensions — square metres derived from box geometry and drawing scale, feeding material calculations.
  • Material line items — a separate analysis step applies your constants (waste %, coverage rates, thickness) to produce the final takeoff table.

Limits worth knowing

LLMs do not “understand” BIM the way native CAD software does. They interpret pixels and symbols, so blurry scans, missing scale bars, or heavily stylised drawings can reduce accuracy. Low-resolution exports and plans without dimension annotations are harder to measure precisely. That is why DraftGecko pairs automated extraction with validation, optional retries, and a review UI — so you always see what the model saw before you commit numbers to a bid.

Read Insights into Building & Design

Practical ideas on floorplans, materials, and smarter estimation — from the DraftGecko team.

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