10 Percy Road, Isleworth, TW7 7HB

1. 23 Feb 2025

   Received by Hounslow

2. 26 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Hounslow decided it, and is free to submit a revised scheme at any time. 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.

• 36 WORPLE ROAD, ISLEWORTH, TW7 7AR

  P/2021/2578 Submitted 24 Jun 2021 50 yards away

  Erection of side dormer roof extension including one front roof window in the front roof slope and a rear outrigger extension

  Refused Householder Extension Loft or dormer +1 17 docs
  Domestic

• 83 Worple Road, Isleworth, TW7 7AS

  P/2026/0793 Submitted 9 Mar 2026 100 yards away

  Certificate of lawfulness for the existing use of a wraparound childcare for children (4-11 year olds) during term time.

  Granted Lawful development 6 docs

• 79 WORPLE ROAD, ISLEWORTH, TW7 7AT

  P/2021/2621 Submitted 28 Jun 2021 100 yards away

  Certificate of Lawfulness for the erection of a single storey detached outbuilding to use as a gym and utility area to the side of the existing house

  Granted Lawful development 7 docs
  Small domestic

• 38 Talbot Road, Isleworth, TW7 7HJ

  P/2024/3744 Submitted 11 Nov 2024 100 yards away

  Works to trees in a Conservation Area: 1 X T1 Cherry tree - reduce height by 2.5m, reduce sides by 1m to balance, remove major deadwood height 6m and spread 4m. Reduce height to 4m and spread to 3m 1 X T2 Bay tree - reduce height by 2m, trim to shape by 0.5m (all sides) height 6m & spread 4m. Reduce height to 4m and spread to 3.5m 1 X T3 Holly tree - reduce height by 3m, trim to shape by 0.5 (all sides) height 6m & spread 4m. Reduce height to 4m & spread to 3.5m to house in back garden

  Granted Trees 4 docs

• 52 Worple Road, Isleworth, TW7 7AR

  P/2026/1503 Submitted 19 May 2026 100 yards away

  Erection of a rear roof extension incorporating a Juliet balcony, together with the installation of two front roof windows to the house

  Refused Householder Extension Windows or glazing 8 docs
  Domestic

• 31 Brantwood Avenue, Isleworth, TW7 7EX

  P/2024/3662 Submitted 4 Nov 2024 100 yards away

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

  Granted Lawful development Extension Windows or glazing 11 docs

• 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.

  Received 20 Jul, published by the council 26 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.

  Received 10 Sep, published by the council 17 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.

  Received 12 Aug, published by the council 16 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.

  Received 17 Jul, published by the council 26 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.

  Received 9 Sep, published by the council 17 Sep 2026 Lawful development