oc:hillingdon:19188/APP/2026/820Planning Application oc:hillingdon:19188/APP/2026/820
Full application at 149 HERLWYN AVENUE RUISLIP, 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, conversion of roof from hip to gable end, erection of a single storey extension to the rear
19188/APP/2026/820
149 HERLWYN AVENUE RUISLIP
This is a full planning application for a dormer extension at 149 HERLWYN AVENUE RUISLIP. Hillingdon has handled 4,983 applications of this type and approves 80% of them, typically deciding them in 56 days. It was submitted on 30 March 2026 and is still awaiting a decision. There have been 2 other applications at this address. In the past year there have been 33 applications across RUISLIP MANOR 2022. We hold 409 applications in total for the HA4 postcode area.
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Application Details
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Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Hillingdon