126 Chatsworth Crescent, Hounslow, TW3 2PD

1. 22 Apr 2026

   Received by Hounslow

2. 17 Jun 2026

   Decision issued: GRANT

3. 26 Jul 2026

   Added to PlanIndex

Hounslow granted permission on 17 June 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.

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.

• 83 CHATSWORTH CRESCENT, HOUNSLOW, TW3 2PF

  PA/2023/0959 Submitted 27 Mar 2023 61m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.28 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 4 HELDMANN CLOSE, HOUNSLOW, TW3 2PA

  P/2021/2420 Submitted 15 Jun 2021 62m away

  Certificate of lawfulness for the proposed erection of a part first floor rear extension to the existing first floor rear extension to the house

  Refused Lawful development Extension 7 docs

• 7 HELDMANN CLOSE, HOUNSLOW, TW3 2PA

  PA/2023/1009 Submitted 29 Mar 2023 80m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 98 ELMER GARDENS, ISLEWORTH, TW7 6HA

  P/2023/0761 Submitted 9 Mar 2023 81m away

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

  Granted Lawful development Extension Loft or dormer +1 7 docs

• 198 HEATH ROAD, HOUNSLOW, TW3 2NS

  P/2023/0239 Submitted 25 Jan 2023 82m away

  Removal of existing canopy attached to outbuilding and retrospective permission for the erection of single storey extension to existing garage and replacing cladding with brick work

  Granted Householder Extension 12 docs
  Small domestic

• 108 Elmer Gardens, Isleworth, TW7 6HA

  P/2026/2321 Submitted 11 Aug 2026 83m away

  100% historically approved · decision due ~6 Oct

  Certificate of lawfulness proposed for the erection of a single storey rear extension to the house.

  Awaiting decision Lawful development Extension 4 docs
  Small domestic

• P/2026/2118 Granted

  54 Amhurst Gardens, Isleworth, TW7 6AJ

  Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows.

  20 Jul 2026 Lawful development
• P/2026/2580 Awaiting decision

  50B Paxton Road, Chiswick, London, W4 2QX

  Certificate of lawfulness for the existing use of a first floor self contained flat.

  10 Sep 2026 Lawful development
• P/2026/2332 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

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

  12 Aug 2026 Lawful development
• P/2026/2089 Granted

  18 Central Avenue, Hounslow, TW3 2QH

  Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

  17 Jul 2026 Lawful development
• P/2026/2566 Awaiting decision

  109 Wood Lane, Isleworth, TW7 5EG

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

  9 Sep 2026 Lawful development