Asbestos clearance rule puts analyst capacity into retrofit critical path
From 25 November 2027, clearance assessment must be procured separately from asbestos cleaning, making accredited local analyst availability a programme issue.
The Control of Asbestos (Amendment etc.) Regulations 2026 make the route back into an asbestos-work area a procurement constraint from 25 November 2027. On that date, the employer responsible for cleaning after asbestos work will no longer be allowed to appoint the person who assesses whether the premises have been thoroughly cleaned and can receive a site clearance certificate for reoccupation. For housing retrofit, school upgrades and commercial refurbishment, that moves an accredited analyst from a service usually arranged within the removal package to a resource that clients need to secure in their own programme.
The safety case is straightforward. The instrument requires the premises to be assessed for thorough cleaning and suitability for reoccupation before a site clearance certificate can be issued, and requires the relevant assessment to be carried out by an appropriately accredited person. The clearance air indicator and the detailed sequence of checks are not set out in this instrument. What is clear is that the rule separates the person responsible for cleaning from the person who assesses the result.
The 2026 instrument preserves the technical competence requirements while changing who can make the appointment. The person appointing the clearance assessor must ensure that organisation is accredited for the specified ISO 17020 and ISO 17025 work; the instrument refers to an appropriate accreditation body but does not name one. This is not a new demand for a second clean or a fifth stage. It is a separation of the contractor that must get the room clean from the organisation that signs the Certificate for Reoccupation.
For building clients, the practical question is less about the wording of the prohibition than about analyst supply on the day a removal enclosure is ready. A failed assessment can add time, cost and reputational pressure. An analyst who is booked too late, lacks the right accredited scope, or cannot reach a dispersed retrofit site can hold up the next trade and leave a void, classroom or occupied building area unavailable. That risk is particularly material where programmes are split across many small sites rather than one major project.
DWP’s explanatory material says a full impact assessment was not produced because no, or no significant, impact on the private or voluntary sector is foreseen. That judgment has no published baseline alongside it: no count of contractor-appointed clearances, no regional map of accredited capacity, no estimate of changed procurement cost, and no estimate of clearance-related programme delay. The rule may produce a sounder separation of duties. It does not, on the documents published so far, come with the capacity evidence needed to say the separation can be delivered evenly across Great Britain.
Where it is already working
- The regulations’ new independence requirement: from 25 November 2027, the employer responsible for ensuring premises are thoroughly cleaned cannot appoint the person who assesses that cleaning and suitability for reoccupation. The instrument does not provide a capacity baseline showing how many accredited assessors are available or where they operate.
- Existing procurement practice is not quantified in the instrument. The published regulation identifies the new separation and the relevant accreditation requirements, but supplies no measured comparison of outcomes, cost or completion time under different appointment models.
What would scale it
The first delivery mechanism is mundane but necessary: clients should buy clearance capacity early, separately and by geography. Before tendering asbestos removal, a retrofit manager should check each proposed analyst organisation’s live accreditation scope for both the inspection and testing work required, ask for realistic response times at each site, and reserve clearance slots against the removal sequence. Frameworks that merely list accredited suppliers will not answer whether an analyst is available in the right town at the end of a shift.
Contracts should make the analyst’s pre-removal visit, review of the contractor’s plan of work and clearance assessment explicit programme activities, not a final-day call-out. The client should receive the contractor’s handover, the Certificate for Reoccupation, records of failed assessments and re-inspections, and the actual time taken for the thorough visual inspection. Those are useful delivery records: they show whether delay arose from inadequate cleaning, poor scoping, unavailable access or analyst capacity.
Government and the relevant accreditation bodies should publish a regional capacity baseline before 25 November 2027: accredited organisations and scopes, travel coverage, annual clearance volumes, booking lead times, failed-assessment rates and reasons, and suspension or scope-change data. The accompanying regulation does not provide the evidence needed to test the no-significant-impact conclusion. A one-year transition is enough time to build procurement arrangements only if the clients funding existing-building work can see the constraint, price it and reserve the people needed to clear it.