Housing: Building Alterations

(asked on 12th December 2025) - View Source

Question to the Ministry of Housing, Communities and Local Government:

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 extensions since the changes in national policy in 2023.


Answered by
Matthew Pennycook Portrait
Matthew Pennycook
Minister of State (Housing, Communities and Local Government)
This question was answered on 7th January 2026

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

Reticulating Splines