Insights

Know what to specify.

Straight answers on accuracy, methods, costs and regulation — for engineers, procurement teams and anyone commissioning survey data.

Latest · Technical · 7 min read

Best drones for photogrammetry and mapping: what survey-grade work needs

Almost any drone can make a pretty 3D model. Far fewer produce mapping data you can design from. Here is what separates a survey-grade photogrammetry drone from the rest, and what we fly.

Procurement24 Sept 20266 min read

How much does a drone roof survey cost? Single roofs vs whole estates

Indicative UK prices for drone roof surveys, what moves the price, how it compares with scaffold access, and why the cost per building falls sharply across a housing portfolio.

Procurement12 May 20266 min read

How much does a drone survey cost in the UK?

Indicative UK price ranges for drone topographic, LiDAR, orthomosaic and stockpile surveys, what moves the price up or down, and what to send for a firm quote.

Technical17 Mar 20267 min read

How accurate are drone topographic surveys?

A properly controlled drone survey can achieve 15–30 mm vertical accuracy on open ground. Here is what that figure means, what affects it, and how to specify and verify it.

Technical10 Feb 20267 min read

Drone LiDAR vs photogrammetry: which should you choose?

LiDAR sees through gaps in vegetation; photogrammetry produces sharper imagery at lower cost. Here is how to decide which one your project needs, and when to use both.

Regulation27 Jan 20268 min read

UK CAA drone rules for commercial surveys in 2026

The UK drone rules changed on 1 January 2026. Here is what the categories, IDs, pilot qualifications, class marks and Remote ID mean for commercial survey work, and what to ask your contractor.

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01We aim to reply within one hourA drone surveyor, not a salesperson, reviews your brief and calls if anything needs clarifying.
02Fixed quote & method statementScope, accuracy specification, deliverables, programme and RAMS — in writing.
03Fly, process, deliverCapture on your programme, then CAD-ready data with a verified accuracy report.