ConstructionTopographic Site Survey
Topographic Site Survey
across Gloucestershire
A drone topographic survey captures the shape of your whole site in detail. We fly an automated grid, then process it into a georeferenced orthomosaic, surface model and contours ready for your designer, engineer or planning consultant.
Key facts
| Minimum fee | £650 |
|---|---|
| Per-acre rate | £65–£90 (above 10 acres) |
| Typical day rate | £850–£1,200 |
| Call-out | Free within 30 miles of Cheltenham |
| Point cloud / CAD add-on | +£100–£250 |
What it's used for
- Pre-construction ground truth
- Site setting-out and design
- Earthworks planning
- Feasibility and land purchase due diligence
What you receive
| Deliverable | Format |
|---|---|
| Georeferenced orthomosaic | GeoTIFF |
| DSM and DTM | GeoTIFF |
| Contours | DXF / DWG |
| Point cloud (add-on) | LAS / LAZ |
How it works
- Quote — tell us the site and what you need; we reply with a fixed price.
- Planning — we check airspace, permissions and weather, and complete a risk assessment.
- Flight — automated flight plan over the site; most jobs are a single visit.
- Processing — imagery is processed into maps, models or reports.
- Delivery — your files are delivered by secure download, plus 3 months of the Farm Dashboard free for new clients.
Equipment
DJI Mavic 3 Multispectral (RGB camera)
| Camera | 20 MP, 4/3 CMOS mapping camera |
|---|---|
| Flight time | Up to 43 minutes per battery |
| Capture | Automated grid and oblique flight plans |
Equipment specifications: DJI Mavic 3 Multispectral specs.
Price adjustments
| Situation | Adjustment |
|---|---|
| Site under minimum acreage | Minimum fee applies |
| Site 50–100 acres | −10% on per-acre rate |
| Site 100+ acres | −15% or formal quote |
| 3+ visits agreed upfront | −10% per visit |
| Travel beyond 30 miles of Cheltenham | +45p per mile |
| Point cloud / CAD contours | +£100–£250 |
| Weekend / bank holiday flights | +20% |
All prices exclude VAT.
Related services
- As-Built Documentation — from £600
- Cut & Fill Analysis — from £550 (two visits)
- Land Documentation for Planning — from £500
Frequently asked questions
Is it accurate enough for design?
Tell us the accuracy your designer needs and we'll confirm whether ground control points are required before quoting.
Can you supply DWG?
Yes — contours and surfaces can be supplied as DXF or DWG for CAD.
3 months of the Farm Dashboard free for new clients
Tell us about your land or site.
We reply with a fixed, no-obligation price. Free call-out within 30 miles of Cheltenham.

