19188/APP/2025/3239Planning Application 19188/APP/2025/3239
Full application at 149 HERLWYN AVENUE RUISLIP, Hillingdon. View planning documents, track the decision and get email alerts on updates.
Erection of rear extension, hip-to-gable roof conversion and rear dormer, and conversion of property from Class C3 (dwellinghouse) to Class C4 (small HMO) for up to 6 persons (Part retrospective application).
19188/APP/2025/3239
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 23 December 2025 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
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Hillingdon