Volumetric & Stockpile Survey
across Gloucestershire

Measuring stockpiles by hand is slow, risky and imprecise. A drone measures every pile on site in one flight and gives you cubic-metre volumes for stock control, invoicing and reconciliation.

Key facts

Minimum fee	£450
Per-acre rate	£55–£80 (above 5 acres)
Typical day rate	£750–£1,000
Call-out	Free within 30 miles of Cheltenham
Volume accuracy	Typically ±1–3% on well-defined stockpiles
Multi-visit discount	10% off per visit on 3+ visits

What it's used for

• Quarry and aggregate stock control
• Spoil and muck-away reconciliation
• Grain, silage, muck and soil heaps on farms
• Month-end and year-end stock takes

What you receive

Deliverable	Format
Volume report per stockpile	PDF / CSV
Annotated orthomosaic	GeoTIFF / PDF
Surface model	GeoTIFF

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

• Cut & Fill Analysis — from £550 (two visits)
• Construction Progress Monitoring — from £450 per visit
• Topographic Site Survey — from £650

Frequently asked questions