Written Question·Ministry of Housing, Communities and Local Government·UIN 99494

Housing: Building Alterations

Tabled: 12 December 2025
Answered: 7 January 2026

Question

Sir James Cleverly

Conservative — Braintree

To ask the Secretary of State for Housing, Communities and Local Government, what assessment he has made of the (a) planning application success rate and (b) the number of planning appeals being considered by the Planning Inspectorate relating to mansard

Answer

Matthew Pennycook
My Department does not collect data on planning applications or planning appeals relating specifically to mansard roof extensions.