Recent work
Drone survey and inspection case studies
Named projects across Great Britain: the site, the task, the method and what the client received.
Featured projects
Eight named projects across Great Britain, each with a full case-study write-up.
Every post, including company milestones, is in the project news archive.
Construction site drone surveys Construction & civil engineering
Denham and the HS2 Colne Valley Viaduct 2025
Align JV (HS2) Colne Valley Viaduct Completion
A multi-year DTA/Align JV relationship spanning greenfield baseline survey to viaduct completion imagery.
Commercial drone roof surveys Property, estates & facilities management
Central London 2024
144 Drone Property Roof & Façade Inspections in Central London in 2 Months
In July and August 2024 DTA completed 144 drone roof and façade inspections across Central London, a restricted-airspace, occupied-building campaign delivered...
Construction site drone surveys Construction & civil engineering
Denham Aerodrome (EGLD) 2021
Coordinating a Multi-Year Survey in Denham's Controlled Airspace
A multi-year DTA programme inside Denham's EGLD controlled airspace, with every flight individually approved and coordinated with air traffic control...
Quarry drone surveys and volumetrics Quarrying, aggregates & recycling
Devon 2020
Quarry Drone Topographical Survey, Devon
DTA completed a drone topographical survey of a working Devon quarry in April 2020, operating under strict health-and-safety and Covid-19 procedures.
Construction site drone surveys Infrastructure & utilities
Trafford Park Line, Manchester 2019
Drone Video Services for the Transport for Greater Manchester Metrolink Project
DTA supplied the third periodic drone filming update for Transport for Greater Manchester's Metrolink Trafford Park Line extension, part of a growing programme...
Commercial drone roof surveys Property, estates & facilities management
Swindon 2019
13,000 m2 Warehouse Drone Inspection, Swindon
A full internal and external drone inspection of a 13,000 m² Swindon warehouse, combining an upward-facing-camera internal roof-space inspection with an...
Digital topographical surveying Agriculture, heritage & leisure
Eridge Park, near Royal Tunbridge Wells, Kent 2019
600 Hectare Drone Land Survey, Royal Tunbridge Wells
A two-person DTA crew completed a 600-hectare topographical drone survey of Eridge Park in four days, following ground-control preparation by a chartered...
Construction progress photography and drone video Infrastructure & utilities
A303, Stonehenge 2017
Drone and Elevated MAST Traffic Monitoring on the A303
The final video was well received by the client.
All projects
Every service project on record, grouped by year, newest first.
2026
2022
2021
2020
2019
2018
2017
2016
The numbers behind the fieldwork
- On HS2
- 6+ years
- greenfield surveys to viaduct completion
- Largest survey
- 2,600 ha
- believed the UK's largest by drone
- One campaign
- 144 roofs
- inspected in Central London in 2 months
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