Roof Survey Data Capture in London
High-precision measured roof surveys capturing geometry, levels, and structural profiles for dense urban properties.
From £750 + VAT — build an instant estimate↓
Building & Structure SurveysService Overview
Traditional roof surveys require expensive scaffolding, cherry pickers, or risky rope-access work. Our drone-based measured roof surveys capture comprehensive geometric and elevation data safely from the air. Operating across London's dense building stock, we generate scale-accurate roof plans, measured elevation models, and digital surfaces that show slopes, gutters, skylights, and parapets with millimetre-level clarity. This is a technical data service for structural engineers, surveyors, and heritage conservators.
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Key Benefits
Accuracy & Methodology
Using flight-control software, we program the drone to execute a low-altitude oblique scan of the roof, maintaining safe clearances and respecting privacy codes. We capture high-resolution imagery from both nadir and oblique angles. Ground-control markers or RTK telemetry calibrate the scale and absolute heights, and the images are stitched into a metric-grade 3D model.
Data & Deliverables
We export high-density spatial datasets ready for ingestion in leading architectural and civil engineering software.
- Measured 2D/3D Roof CAD Drawings (.DWG detailing slopes, heights, and equipment)
- High-resolution 3D Textured Mesh models of the roof structure
- Thermal mapping overlays to detect moisture ingress and heat loss
- Scale-accurate measured elevations and sectional profiles
Service Specific FAQ
Q: Do you need scaffolding to verify the roof measurements?
No. The entire process is conducted from the air. We use survey-grade RTK positioning and calibrate our models using known ground control coordinates, ensuring the CAD drawings are structurally reliable without anyone setting foot on the roof.
Q: How do you handle restricted airspace in central London?
We obtain specific Flight Authorisations from NATS and the CAA where required. Our enterprise drone platforms carry transponders and GPS-based geo-fencing, enabling us to obtain permissions in restricted zones where consumer drones are blocked.