To ask the Secretary of State for Housing, Communities and Local Government, pursuant to the Answer of 14 January 2020 to Question 1749, on Flats: Fire Prevention, what information his Department holds on the (a) number and (b) proportion of privately owned apartment blocks where remedial fire safety works other than the remediation of aluminium composite material cladding are being undertaken as a result of safety checks following the Grenfell Tower fire.