3 Clifton Road, Isleworth, TW7 4HL

1. 31 Oct 2024

   Received by Hounslow

2. 4 Nov 2024

   Validated

   Checked as complete and ready for consideration.

3. 19 Nov 2024

   Decision issued: LAWFNOTGRANT

4. 30 Jul 2026

   Added to PlanIndex

Hounslow granted permission on 19 November 2024, 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.

• 11 CLIFTON ROAD, ISLEWORTH, TW7 4HL

  P/2023/0449 Submitted 13 Feb 2023 18m away

  Retrospective application for the erection of a rear infill extension to the house and insertion of new window in rear elevation

  Granted Householder Extension Windows or glazing 10 docs
  Domestic

• 231 Spring Grove Road, Isleworth, TW7 4AF

  P/2024/3359 Submitted 7 Oct 2024 28m away

  Erection of a single storey side extension

  Granted Full applications Extension 15 docs
  Small domestic

• Flats 1-19, Fire Station Flats, 520 London Road, Isleworth, TW7 4HP

  P/2024/3026 Submitted 10 Sep 2024 55m away

  Retrospective application for the installation of gas riser system to the side and rear elevations of the property to feed 13 flats and external meter boxes to flats 1-5 and 8

  Granted Full applications New dwelling 12 docs
  Major scheme

• FLAT, 552 London Road, Isleworth, TW7 4EP

  P/2026/0256 Submitted 28 Jan 2026 61m away

  Details of Condition 7 (Internal Water Consumption), 8 (Sustainable Materials) submitted pursuant to planning permission P/2021/2639 dated 17/12/2021 Erection of a two storey self-contained dwelling at rear of property with associated amenity space, cycle parking and refuse storage.

  Granted Conditions 15 docs
  Domestic

• 552 London Road, Isleworth, TW7 4EP

  P/2025/3545 Submitted 26 Nov 2025 61m away

  Details of Condition 7 (Internal Water Consumption) and Condition 8 (Sustainable Materials) submitted pursuant to planning permission 00707/552/P10 (P/2021/2639) dated 17/12/2021 for the erection of a two storey self-contained dwelling at rear of property with associated amenity space, cycle parking and refuse storage.

  Refused Conditions 9 docs
  Domestic

• 552 Flat ,London Road ,Isleworth, TW7 4EP

  P/2025/3512 Submitted 21 Nov 2025 61m away

  Details of Condition 8 (Internal Water Consumption) submitted pursuant of planning permission 00707/552/P9 (P/2021/1396) dated 27/05/2021 for the conversion of the existing flat with extension to facilitate two self contained flats at first and second floor.

  Refused Conditions New dwelling Extension 6 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