86 Kneller Gardens, Isleworth, TW7 7NW

This site has had 2 applications since 2026.

• P/2026/2425 Awaiting decision

  86 Kneller Gardens, Isleworth, TW7 7NW

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

  Submitted 25 Aug 2026 Lawful development

1. 30 Sep 2026

   Received by Hounslow

2. 6 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 25 November 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 prior approval applications in a median of 39 days. More in our guide to how long planning decisions take.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 86 Kneller Gardens, Isleworth, TW7 7NW

  P/2026/2425 Submitted 25 Aug 2026 50 yards away

  100% historically approved · decision due ~20 Oct

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

  Awaiting decision Lawful development Extension Loft or dormer 13 docs
  Small domestic

• 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

• PA/2026/2437 Refused

  17 Orchard Road, Brentford, TW8 0QX

  Ground floor rear extension 5.51 metres deep, maximum height of 2.80 metres, 2.06 metres high to the eaves

  Received 26 Aug, published by the council 2 Sep 2026 Prior approval
• PA/2026/2481 Refused

  6 Speart Lane, Hounslow, TW5 9EF

  Ground floor rear extension 8.00 metres deep, maximum height of 3.00 metres, 2.80 metres high to the eaves

  Received 1 Sep, published by the council 5 Sep 2026 Prior approval
• PA/2026/2393 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

  Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.85 metres high to the eaves

  Received 18 Aug, published by the council 23 Aug 2026 Prior approval
• PA/2026/2364 Granted

  9 Westbourne Road, Feltham, TW13 4LX

  Ground floor rear extension 4.5 metres deep, maximum height of 2.8 metres, 2.8 metres high to the eaves

  Received 13 Aug, published by the council 23 Aug 2026 Prior approval
• PA/2026/2720 Awaiting decision

  83 Springwell Road, Hounslow, TW5 9BW

  Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.80 metres high to the eaves

  Received 25 Sep, published by the council 30 Sep 2026 Prior approval