86 Kneller Gardens, Isleworth, TW7 7NW

This site has had 2 applications since 2026.

• PA/2026/2768 Awaiting decision

  86 Kneller Gardens, Isleworth, TW7 7NW

  Ground floor rear extension 4.50 metres, maximum height 3.20 metres, 2.70 metres high to the eaves.

  Submitted 30 Sep 2026 Prior approval

1. 25 Aug 2026

   Received by Hounslow

2. 26 Aug 2026

   Added to PlanIndex

3. 27 Sep 2026

   Status changed to REGISTERED: Pending recommendation

   Previously REGISTERED: Under Assessment.

4. Decision

   Awaiting decision

   Decision expected by 20 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hounslow took a median of 56 days over the applications it decided in the last year.

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided lawful development applications in a median of 56 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 86 Kneller Gardens, Isleworth, TW7 7NW

  PA/2026/2768 Submitted 30 Sep 2026 50 yards away

  78% historically approved · decision due ~25 Nov

  Ground floor rear extension 4.50 metres, maximum height 3.20 metres, 2.70 metres high to the eaves.

  Awaiting decision Prior approval Extension 8 docs

• 72 Kneller Gardens, Isleworth, TW7 7NW

  PA/2026/2246 Submitted 3 Aug 2026 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 2.90 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 72 Kneller Gardens, Isleworth, TW7 7NW

  P/2026/2105 Submitted 20 Jul 2026 50 yards away

  Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and two front roof windows.

  Granted Lawful development Extension Loft or dormer +1 6 docs

• 393 Whitton Dene, Isleworth, TW7 7NF

  P/2026/0943 Submitted 22 Mar 2026 50 yards away

  Erection of a detached garage in the rear garden.

  Refused Householder 7 docs
  Domestic

• 70 KNELLER GARDENS, ISLEWORTH, HOUNSLOW, TW7 7NW

  P/2021/2382 Submitted 14 Jun 2021 50 yards away

  Works to Crab Apple Tree comprising of cutting overhanging branches back to boundary within TPO 618

  Refused Trees 9 docs

• 389 Whitton Dene,Isleworth,Hounslow,TW7 7NF

  P/2026/0389 Submitted 9 Feb 2026 50 yards away

  Formation of a vehicular access to the public pathway.

  Granted Full applications 9 docs

• P/2026/2813 Awaiting decision

  150 Wood Lane, Isleworth, TW7 5EQ

  (GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house

  Received 5 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2334 Granted

  69 Central Avenue, Hounslow, TW3 2QW

  Certificate of lawfulness for the proposed hip to gable conversion and erection of rear roof extension with three front roof windows to the house.

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2459 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

  Certificate of Lawfulness for the proposed hip to gable roof conversion, installation of two front roof windows, and erection of a rear roof extension to the existing house.

  Received 28 Aug, published by the council 5 Sep 2026 Lawful development
• P/2026/2787 Awaiting decision

  13 Denbigh Road, Hounslow, TW3 4DU

  Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Received 1 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2790 Awaiting decision

  14 Old Farm Close, Hounslow, TW4 7AB

  Certificate of lawfulness for the proposed erection of a rear roof extension and two front roof windows to the house.

  Received 1 Oct, published by the council 6 Oct 2026 Lawful development