PDF plans in, load takedown results out.
Mark up plans, calculate structural loads, and export calculation reports — all in your browser.
Free to use. £9/month for PDF export
Or watch a demo first→
Projects stay local in your browser.
Import a multi-page PDF and have tributary areas in 5 minutes
Set scale, enter levels, trace walls and floors with snapping — then see tributary regions generated automatically on the drawing.

See exactly where loads resolve — visually, on the drawing
Tributary areas, load paths, and support reactions displayed directly on the plans. Spot missing supports, overlaps, or geometry issues at a glance.

Mark up plans and export a professional report
High-quality PDF rendering, structural markup tools, and one-click export of a formatted calculation pack.

Frequently asked questions
Yes. You can import PDFs, draw walls and floors, calculate tributary areas, and review load paths, all for free with no account required. PDF export of calculation reports is £9/month.
No. LoadTakedown runs entirely in your browser. There's nothing to download or install, just open the app and start working.
Your projects stay local in your browser using IndexedDB storage. Your PDFs and calculations are never uploaded to our servers unless you explicitly choose to save to the cloud.
LoadTakedown works with multi-page PDF files, the format most architects and engineers share drawings in. Import your PDF, set a scale, and start marking up structural elements.
LoadTakedown calculates tributary areas geometrically from the walls and floors you draw, then applies the dead and live loads you specify per zone. The results are as accurate as your inputs and designed for early-stage feasibility and scheme design.
Yes. You can import a different PDF page per level, stack levels with defined storey heights, and LoadTakedown will accumulate loads down through the structure to give you foundation-level totals.
The exported PDF includes your marked-up floor plans with walls, floors, and tributary regions overlaid, plus a structured calculation report showing loads per wall at each level. It's designed to be a clear, auditable document you can include in your project records.
Spreadsheets require you to manually measure tributary areas from drawings and type them in, which is error-prone and slow. LoadTakedown lets you draw directly on the PDF and calculates tributary areas automatically, so you get results in minutes instead of hours.
Free load takedown spreadsheet
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Still doing load takedowns in Excel? Try one in 5 minutes.
Free to use. £9/month for PDF export.
Or watch a demo first→