Question to the Department for Levelling Up, Housing & Communities:

To ask the Secretary of State for Housing, Communities, and Local Government, what progress the Building Research Establishment is making on research on trigger thresholds.

All research projects commissioned as part of the technical review of Approved Document B will inform the review of the guidance to the building regulations (Approved Document B).

The project on the trigger thresholds was commissioned in September 2020 and the research remains on going.