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

To ask the Secretary of State for Housing, Communities and Local Government, whether the Government will take steps to ensure that the BS8414 tests carried out by the Building Research Establishment on non-ACM materials include (a) windows, (b) ventilation openings and (c) reasonably spaced fire barriers.

Tests carried out using the BS 8414 methodology are designed using the established and recognised BS 8414 methodology. Rigs to be used in tests are constructed in line with standard industry practice to ensure compliance with Approved Document B guidance on the construction of external wall systems.