What Is an Asbestos Demolition Survey?
A demolition survey is the most comprehensive type of asbestos survey. It is required before any building is demolished and involves a fully intrusive inspection of the entire structure — including taking samples from every accessible area, regardless of condition. The goal is to locate all ACMs before demolition begins so they can be safely removed first.
Legal Requirement
Under CAR 2012 Regulation 7, a demolition survey is legally mandatory before demolition of any building, regardless of age. This is not discretionary — proceeding without a demolition survey is a criminal offence that can result in prosecution by the HSE.
The Demolition Survey Process
- Site preparation — The building must be vacated. Power, gas, and water are typically isolated before the survey begins.
- Fully intrusive inspection — Surveyors access all areas including roof spaces, wall cavities, floor voids, underground plant rooms, and drainage channels.
- Representative sampling — Samples are taken from every material type in every area. This can amount to dozens or hundreds of samples in large buildings.
- Laboratory analysis — Samples are analysed by a UKAS-accredited lab, typically within 5–10 working days.
- Written report — A comprehensive report including all locations, quantities, fibre types, and a prioritised asbestos removal schedule is issued.
Cost of a Demolition Survey
| Building Size | Typical Cost |
|---|---|
| Small residential (up to 100m²) | £500 – £900 |
| Medium residential / small commercial | £800 – £1,800 |
| Large commercial / industrial | £1,500 – £5,000+ |
After the Survey
Any ACMs found must be removed by an HSE-licensed asbestos removal contractor before demolition proceeds. Your surveyor’s report becomes the basis for the removal plan. Once removal is complete, a licensed contractor issues a waste transfer note, and a UKAS-accredited air test (clearance test) confirms fibres are within safe limits.