Planning application
44 ASH GROVE HAREFIELD
Works: Loft or dormer
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Conversion of roof space to habitable use to include rear dormer, and 2 x front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
As published by the council, reference 47425/APP/2026/1211
Application record
- Reference
- 47425/APP/2026/1211
- Status
- Approval
- Received
- 14 May 2026
Site history
Applications at this address on the Hillingdon register
This site has had 4 applications since 2025: 1 approved, 1 refused.
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47425/APP/2026/1543 Refused
44 ASH GROVE HAREFIELD
Change of use from Class C3 dwelling to a House in Multiple Occupation (Class C4) for up to 6 persons, incorporating single-storey rear extension and rear dormer
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47425/APP/2026/153 Granted
44 ASH GROVE HAREFIELD
Erection of single storey rear extension
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47425/APP/2025/3137 Awaiting decision
44 ASH GROVE HAREFIELD
Confirmation of use of the property as a C4 HMO (Application for a Certificate of Lawful Development for an Existing Development)
Timeline
Dates from the published record
-
14 May 2026
Received by Hillingdon
-
26 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 9 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Hillingdon took a median of 58 days over the applications it decided in the last year.
What happens while it is decided
This application is with Hillingdon for determination, against a statutory target of eight weeks. Over the last year Hillingdon's median decision took 58 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Hillingdon's portal will say. Our guide explains the common types.