57 Heston Avenue, Hounslow, TW5 9EU

1. 19 Mar 2026

   Received by Hounslow

2. 24 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 20 Apr 2026

   Decision issued: GRANT

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 20 April 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.

• 70 HESTON AVENUE, HOUNSLOW, TW5 9EX

  P/2021/1893 Submitted 13 May 2021 50 yards away

  Certificate of Lawfulness for demolition of existing outbuilding and erection of single storey outbuilding in rear garden.

  Granted Lawful development Demolition 6 docs
  Small domestic

• 40 HESTON AVENUE, HOUNSLOW, TW5 9EX

  PA/2021/3534 Submitted 1 Sep 2021 100 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 3.25 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 24 North Hyde Lane,Heston,TW5 0EQ

  P/2024/3918 Submitted 21 Nov 2024 100 yards away

  Change of use of existing single family house to a House in Multiple Occupation for six people.

  Refused Full applications 10 docs

• 21 Heston Avenue, Hounslow, TW5 9EU

  PA/2024/3185 Submitted 22 Sep 2024 150 yards away

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

  Refused Prior approval Extension 6 docs

• 21 Heston Avenue, Hounslow, TW5 9EU

  PA/2024/3878 Submitted 19 Nov 2024 150 yards away

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

  Granted Prior approval Extension 6 docs

• 36 North Hyde Lane,Heston,TW5 0EQ

  P/2024/2926 Submitted 2 Sep 2024 150 yards away

  Erection of a two storey side extension and a first floor rear extension to the house.

  Refused Householder Extension 7 docs
  Domestic

• 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