1 Kings Avenue, Hounslow, TW3 4BL

This site has had 2 applications since 2025: 2 approved, 0 refused.

• P/2025/3652 Granted

  1 Kings Avenue, Hounslow, TW3 4BL

  Certificate of lawfulness for the existing use as a small House in Multiple Occupation (Use Class C4)

  Decided 2 Mar 2026 Lawful development

1. 24 Jun 2026

   Received by Hounslow

2. 25 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. 3 Aug 2026

   Status changed to REGISTERED: Under Assessment

   Previously REGISTERED: Under Consultation.

5. 20 Aug 2026

   Decision issued: GRANT

Hounslow granted permission on 20 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.

• 1 Kings Avenue, Hounslow, TW3 4BL

  P/2025/3652 Submitted 8 Dec 2025 0m away

  Certificate of lawfulness for the existing use as a small House in Multiple Occupation (Use Class C4)

  Granted Lawful development 5 docs

• 7 KINGS AVENUE, HOUNSLOW, TW3 4BL

  P/2023/0683 Submitted 2 Mar 2023 15m away

  Certificate of lawfulness for the erection a rear roof extension with two front roof windows and erection of a single storey rear extension following demolition of the existing extension of the house

  Granted Lawful development Extension Demolition +1 6 docs
  Small domestic

• 54 A Spring Grove Road Hounslow TW3 4BN

  P/2025/3220 Submitted 24 Oct 2025 21m away

  retrospective application for the retention of existing timber framed garden office on site.

  Withdrawn Full applications 5 docs

• 54A-F Spring Grove Road, Hounslow, TW3 4BN

  P/2026/0231 Submitted 26 Jan 2026 21m away

  Retrospective application for the conversion of the houses (C3) use into assisted living units (C2) use

  Withdrawn Full applications 4 docs

• 54A Spring Grove Road, Hounslow, TW3 4BN

  P/2025/3077 Submitted 13 Oct 2025 21m away

  Retrospective permission for the erection of a single storey detached outbuilding in the front garden.

  Refused Full applications 5 docs
  Small domestic

• 50 Spring Grove Road, Hounslow, TW3 4BN

  P/2025/2788 Submitted 17 Sep 2025 26m away

  Retrospective application for a change of use of single family house (Use Class C3) to a large House in Multiple Occupation (HMO) for 9 people (Sui Generis) with cycle storage.

  Refused Full applications 8 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