3D Terrain Model (DSM/DTM) for Farmland
across Gloucestershire

A full 3D model of your land — both the surface (DSM) and the bare ground beneath crops and trees (DTM). Use it for drainage design, flood-risk planning, track and yard layouts, or new farm buildings.

Key facts

Minimum fee	£600
Per-acre rate	£70–£100 (above 8 acres)
Typical day rate	£850–£1,100
Call-out	Free within 30 miles of Cheltenham
Point cloud / CAD add-on	+£100–£250

What it's used for

• Drainage and irrigation design
• Flood-risk and run-off assessment
• Field redesign and land levelling
• Farm building and track planning

What you receive

Deliverable	Format
Digital Surface Model	GeoTIFF
Digital Terrain Model	GeoTIFF
Contours	DXF / SHP
3D point cloud (add-on)	LAS / LAZ

How it works

1. Quote — tell us the site and what you need; we reply with a fixed price.
2. Planning — we check airspace, permissions and weather, and complete a risk assessment.
3. Flight — automated flight plan over the site; most jobs are a single visit.
4. Processing — imagery is processed into maps, models or reports.
5. 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

• Irrigation, Drainage & Waterlogging Survey — from £550
• Topographic Site Survey — from £650
• Field Mapping & Boundary Survey — from £450

Frequently asked questions