33 Chestnut Grove, Isleworth, TW7 7HA

1. 30 Mar 2026

   Received by Hounslow

2. 30 Apr 2026

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 30 April 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.

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.

• 18 CHESTNUT GROVE, ISLEWORTH, TW7 7EZ

  PA/2023/0325 Submitted 1 Feb 2023 33m away

  Ground floor rear extension 6.00 metres deep, maximum height 4.00 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 20 Chestnut Grove, Isleworth, TW7 7EZ

  P/2026/0319 Submitted 3 Feb 2026 36m away

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

  Granted Lawful development Extension Loft or dormer +1 9 docs

• 11 Chestnut Grove, Isleworth, TW7 7HA

  P/2026/0236 Submitted 26 Jan 2026 68m away

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

  Granted Lawful development Extension Loft or dormer +1 7 docs

• 84 Worple Road, Isleworth, TW7 7HU

  P/2026/0081 Submitted 12 Jan 2026 75m away

  Erection of a single storey detached outbuilding in the rear garden for use as a hobby room

  Granted Householder 6 docs
  Small domestic

• 70 Worple Road, Isleworth, TW7 7HU

  P/2026/0671 Submitted 26 Feb 2026 80m away

  Erection of a rear roof extension, including extension over the existing rear outrigger, and two front roof windows.

  Granted Householder Extension Windows or glazing 8 docs
  Domestic

• 4 Chestnut Grove, Isleworth, TW7 7EZ

  P/2026/1565 Submitted 26 May 2026 86m away

  Erection of single storey side and rear extension to the house. Following the demolition of existing rear extension.

  Granted Householder Extension Demolition 9 docs
  Small domestic

• PA/2026/2167 Granted

  2 Church Walk, Brentford, TW8 8DB

  Ground floor rear extension 4.50 metres deep, maximum height 4.00 metres, 3.00 metres high to the eaves.

  24 Jul 2026 Prior approval
• PA/2026/2475 Awaiting decision

  4 Upton Road, Hounslow, TW3 3HP

  GS868133219 - Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves

  1 Sep 2026 Prior approval
• PA/2026/2481 Awaiting decision

  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

  1 Sep 2026 Prior approval
• PA/2026/2458 Awaiting decision

  82 Ringway, Southall, UB2 5SU

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

  28 Aug 2026 Prior approval
• PA/2026/2461 Awaiting decision

  24 Kingston Avenue, Feltham, TW14 9SL

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

  28 Aug 2026 Prior approval