Turn construction drawings into precise BOQs in minutes.
BuildLens AI reads your PDF drawings, extracts material quantities, and produces fully editable Bills of Quantities and cost estimates — built for contractors, QSs, and consultants who measure for a living.
- 92%
- Takeoff time saved
- ±2%
- Quantity accuracy
- 1.2M+
- Sheets processed
The full estimation workflow, in one platform.
From drawing upload to signed-off cost report — replace fragmented spreadsheets with a single source of truth for every project.
AI Drawing Analysis
Upload PDF drawings — our vision models detect dimensions, rooms, and elements automatically.
Material Quantities
Auto-generated tables for cement, steel, concrete, excavation, and asphalt with editable values.
Editable BOQs
Full CRUD on every row — item, unit, quantity, rate, amount — with live auto-calculation.
Cost Estimation
Rate analysis, taxes, contingency, and grand totals roll up in real time across your project.
Project Workspaces
Organize drawings, revisions, and reports by project. Built for teams handling many tenders.
Enterprise Security
Row-level isolation, encrypted storage, audit trails. Your tender data stays yours.
From PDF to priced BOQ in four steps.
Upload drawings
Drop in PDF architectural, structural, or MEP drawings. Multi-sheet sets supported.
AI extraction
Computer vision detects dimensions, areas, and elements. Quantities populate in seconds.
Review & edit
Refine BOQ rows, adjust rates, override quantities. Everything recalculates live.
Export & share
Generate Excel BOQs and PDF cost reports ready for clients, sub-contractors, or tenders.
Pricing built for the way you bid.
14-day free trial on every plan. No credit card required to start. Cancel anytime.
For independent estimators and small contractors.
- 5 active projects
- 50 drawings / month
- BOQ + cost reports
- Excel & PDF export
- Email support
For growing consultancies billed every 6 months.
- 25 active projects
- Unlimited drawings
- Team collaboration (5 seats)
- Priority AI processing
- Priority support
- Save 22%
Best value for established firms and developers.
- Unlimited projects
- Unlimited drawings
- Unlimited seats
- Custom rate libraries
- Dedicated CSM
- Save 38%
Trusted by teams that bid for a living.
"We cut our pre-tender takeoff time from three days to four hours. The accuracy is shockingly good on structural drawings."
"Finally a tool that speaks the language of quantity surveyors. The BOQ output drops straight into our tender pack."
"Managing 40+ live tenders used to mean chaos. BuildLens is now the backbone of our estimation department."
Win more tenders. Measure with confidence.
Start your free 14-day trial. No card required. Upload your first drawing in under a minute.