53 Manor Avenue, Hounslow, TW4 7JN

1. 11 May 2026

   Received by Hounslow

2. 24 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. 19 Aug 2026

   Decision issued: GRANT

Hounslow granted permission on 19 August 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.

• 41 Manor Avenue, Hounslow, TW4 7JN

  P/2025/3262 Submitted 28 Oct 2025 35m away

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

  Granted Lawful development Extension Loft or dormer +1 5 docs

• 41 Manor Avenue, Hounslow, TW4 7JN

  PA/2025/3261 Submitted 28 Oct 2025 35m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.10 metres, 3.00 metres high to the eaves.

  Granted Prior approval Extension 5 docs

• 44 CLIFFORD ROAD, HOUNSLOW, TW4 7LT

  P/2022/2421 Submitted 25 Jul 2022 92m away

  Certificate of lawfulness for the existing use of the property as two-self contained flats

  Refused Lawful development New dwelling 13 docs

• 38 IVANHOE ROAD, HOUNSLOW, TW4 7JJ

  PA/2023/0919 Submitted 23 Mar 2023 101m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.50 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 45 CLIFFORD ROAD, HOUNSLOW, TW4 7LS

  P/2023/0043 Submitted 4 Jan 2023 113m away

  Erection of a hip to gable and rear roof extension with two front roof windows to the house

  Granted Householder Extension Loft or dormer +1 11 docs
  Domestic

• 33 Clifford Road, Hounslow, TW4 7LS

  P/2026/0397 Submitted 9 Feb 2026 117m away

  Conversion of the house into two self contained flats

  Refused Full applications New dwelling 12 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