1 Kings Avenue, Hounslow, TW3 4BL

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

• P/2026/1881 Granted

  1 Kings Avenue, Hounslow, TW3 4BL

  Certificate of lawfulness for the existing use of five self contained flats.

  Decided 20 Aug 2026 Lawful development

1. 8 Dec 2025

   Received by Hounslow

2. 5 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Mar 2026

   Decision issued: LAWFNOTGRANT

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 2 March 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/2026/1881 Submitted 24 Jun 2026 50 yards away

  Certificate of lawfulness for the existing use of five self contained flats.

  Granted Lawful development New dwelling 5 docs

• 7 KINGS AVENUE, HOUNSLOW, TW3 4BL

  P/2023/0683 Submitted 2 Mar 2023 50 yards 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 50 yards 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  Withdrawn Full applications 5 docs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 50 yards 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  Withdrawn Full applications 4 docs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 50 yards 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 50 yards 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/2026/2813 Awaiting decision

  150 Wood Lane, Isleworth, TW7 5EQ

  (GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house

  Received 5 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2334 Granted

  69 Central Avenue, Hounslow, TW3 2QW

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

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2459 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

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

  Received 28 Aug, published by the council 5 Sep 2026 Lawful development
• P/2026/2787 Awaiting decision

  13 Denbigh Road, Hounslow, TW3 4DU

  Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Received 1 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2790 Awaiting decision

  14 Old Farm Close, Hounslow, TW4 7AB

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

  Received 1 Oct, published by the council 6 Oct 2026 Lawful development