51502/APP/2026/693Planning Application 51502/APP/2026/693
Full application at 21 SPENCER AVENUE HAYES, Hillingdon. View planning documents, track the decision and get email alerts on updates.
Conversion of roof space to habitable use to include a rear dormer, 1 front roof light, conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
51502/APP/2026/693
21 SPENCER AVENUE HAYES
This is a full planning application for a dormer extension at 21 SPENCER AVENUE HAYES. Hillingdon has handled 4,983 applications of this type and approves 80% of them, typically deciding them in 56 days. It was submitted on 18 March 2026 and is still awaiting a decision. There are no previous applications recorded at this address. In the past year there have been 64 applications across BELMORE 2022.
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Application Details
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Additional Information
Source: Hillingdon