291 Hanworth Road, Hounslow, TW3 3SE

1. 25 Mar 2026

   Received by Hounslow

2. 18 May 2026

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 18 May 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.

• 293 Hanworth Road, Hounslow, TW3 3SE

  P/2026/0972 Submitted 25 Mar 2026 50 yards away

  Certificate of lawfulness for the existing use of a House in Multiple Occupation (Sui Generis) for up to 10 persons

  Granted Lawful development 6 docs

• 287 HANWORTH ROAD, HOUNSLOW, TW3 3RZ

  PA/2021/2390 Submitted 14 Jun 2021 50 yards away

  Ground floor rear extension 6 metres deep, maximum height of 3 metres, 3 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 287 HANWORTH ROAD, HOUNSLOW, TW3 3RZ

  P/2021/2384 Submitted 14 Jun 2021 50 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating hip to gable conversion and three front roof windows and the erection of a single storey detached outbuilding in the rear end to the garden to use as a game room/ gym room/ garden store to the house

  Granted Lawful development Extension Loft or dormer +1 5 docs
  Small domestic

• 285 HANWORTH ROAD, HOUNSLOW, TW3 3RZ

  PA/2021/2640 Submitted 28 Jun 2021 50 yards away

  Ground floor rear extension 8 metres deep, maximum height of 3.65 metres, 3 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 1 HIBERNIA GARDENS, HOUNSLOW, TW3 3SB

  P/2019/3843 Submitted 23 Oct 2019 50 yards away

  Change of use from a Single Family House (Class C3) to House in Multiple Occupation with six bedrooms

  Refused Full applications 6 docs

• 328A HANWORTH ROAD, HOUNSLOW, TW3 3SH

  P/2023/0741 Submitted 7 Mar 2023 50 yards away

  Details of condition 3 (materials) submitted pursuant to planning permission 01254/328A/P3 dated 20/02/2023 for the erection of a part single part two part three storey rear extension and roof extensions to both sides of the existing house, conversion of the house into four flats, erection of two houses to the rear of the site with bin and cycle storage, parking and amenity spaces.

  Granted Conditions New dwelling Extension 16 docs
  Several homes

• 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