Planning application
11 HENLEY GARDENS PINNER MIDDLESEX HA5 2DE
Works: Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof space from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
As published by the council, reference 57416/APP/2026/175
Application record
- Reference
- 57416/APP/2026/175
- Type
- Full
- Status
- Approval
- Decision
- Permitted
- Received
- 21 Jan 2026
- Validated
- 21 Jan 2026
- Decided
- 17 Mar 2026
- Ward
- NORTHWOOD HILLS 2022
- Postcode
- HA5 2DE
Site history
Applications at this address on the Hillingdon register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
57416/APP/2025/2808 Granted
11 HENLEY GARDENS PINNER MIDDLESEX HA5 2DE
Erection of single storey rear/side extension, insertion of roof lights and driveway alterations, following demolition of internal garage.
Timeline
Dates from the published record
-
21 Jan 2026
Received by Hillingdon
-
17 Mar 2026
Decision issued: Permitted
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
6 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Hillingdon granted permission on 17 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
11 HENLEY GARDENS PINNER MIDDLESEX HA5 2DE
Erection of single storey rear/side extension, insertion of roof lights and driveway alterations, following demolition of internal garage.
Granted Full applications Extension Loft or dormer +1 6 docsSmall domestic -
4 LINSLADE CLOSE PINNER HA5 2BJ
Conversion of roof space to habitable use to include a rear dormer extension and front facing roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
Granted Full applications Extension Loft or dormer 7 docs -
221 TOLCARNE DRIVE PINNER HA5 2DZ
To carry out tree surgery including cutting back from neighbour's garden. (common law right). To One Hawthorn T3 on TPO532a
Granted Trees 3 docs -
221 TOLCARNE DRIVE PINNER HA5 2DZ
86% historically approved · decision due ~10 Jul
TPO 532A T3 1x Hawthorn Carry out height reduction and lateral pruning back to site boundary to prevent encroachment over private drive.
Awaiting decision Trees -
11 BURLINGTON CLOSE PINNER HA5 2TP
Conversion of garage into habitable room, and amendments to fenestrations (Application for a Certificate of Lawful Development for a Proposed Development)
Granted Full applications 5 docs -
44 BURLINGTON CLOSE PINNER HA5 2TP
Erection of part two storey, rear part first storey side extension, conversion of attached garage into habitable use and erection of a new porch.
Granted Full applications Extension 10 docsSmall domestic
Other full applications
In Hillingdon
-
80149/APP/2026/1572 Granted
14 LADYGATE LANE RUISLIP HA4 7QU
Erection of single storey side and rear wraparound extension, a front porch, amendments to fenestration and roof lights to the front, side and rear sloped roof, following the removal of the rear chimney and garden shed. (Description Amended)
-
79879/APP/2026/1749 Granted
21 NORTH AVENUE HAYES UB3 2JE
Erection of part single storey, part double storey rear extension
-
74889/APP/2026/1363 Granted
32 MANOR ROAD HAYES UB3 2DG
Erection of a first-floor rear extension.
-
53073/APP/2026/1645 Granted
50 MINET DRIVE HAYES UB3 3JW
Erection of a part single storey, part two storey extension to the rear
-
80172/APP/2026/1717 Refused
6 SQUIRRELS TRADING ESTATE VIVEASH CLOSE HAYES UB3 4RZ
Change of use from Class B8 to Class E retail