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Planning application

11 HENLEY GARDENS PINNER MIDDLESEX HA5 2DE

Granted Hillingdon 57416/APP/2026/175 Full

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.

  • 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.

    Decided 15 Jan 2026 Full applications

Timeline

Dates from the published record

  1. 21 Jan 2026

    Received by Hillingdon

  2. 17 Mar 2026

    Decision issued: Permitted

  3. 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 documents

What 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

    57416/APP/2025/2808 Submitted 5 Nov 2025 0m away

    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 docs
    Small domestic
  • 4 LINSLADE CLOSE PINNER HA5 2BJ

    80176/APP/2026/1740 Submitted 13 Jul 2026 236m away

    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

    77769/TRE/2023/64 Submitted 27 Mar 2023 249m away

    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

    77769/TRE/2026/125 Submitted 15 May 2026 249m away

    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

    77205/APP/2025/3097 Submitted 10 Dec 2025 252m away

    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

    79812/APP/2025/3027 Submitted 1 Dec 2025 252m away

    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 docs
    Small domestic

In Hillingdon

  • 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)

    24 Jun 2026 Full applications
  • 21 NORTH AVENUE HAYES UB3 2JE

    Erection of part single storey, part double storey rear extension

    13 Jul 2026 Full applications
  • 32 MANOR ROAD HAYES UB3 2DG

    Erection of a first-floor rear extension.

    1 Jun 2026 Full applications
  • 50 MINET DRIVE HAYES UB3 3JW

    Erection of a part single storey, part two storey extension to the rear

    1 Jul 2026 Full applications
  • 6 SQUIRRELS TRADING ESTATE VIVEASH CLOSE HAYES UB3 4RZ

    Change of use from Class B8 to Class E retail

    8 Jul 2026 Full applications