1, St Valery Place Norman Crescent, Hounslow, TW5 9BU

1. 23 Jul 2026

   Received by Hounslow

2. 13 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Aug 2026

   Added to PlanIndex

4. 21 Sep 2026

   Decision issued: GRANT

Hounslow granted permission on 21 September 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.

• 154-158 Ash Grove Hounslow TW5 9DS

  P/2024/3202 Submitted 24 Sep 2024 50 yards away

  Details of condition 22 (Construction Logistics Plan) submitted pursuant planning permission 00048/154-158/P1 (P/2023/0440) dated 14/07/2023 for erection of two pairs of semi-detached houses and a pair of semi-detached bungalows following demolition of the two storey side extension and outbuilding to 158 Ash Grove and demolition of garage to 156 Ash Grove, with associated amenity, car parking and cycle and bin stores.

  Granted Conditions Extension Demolition 5 docs

• 67 Ash Grove, Hounslow, TW5 9DU

  PA/2025/2906 Submitted 26 Sep 2025 100 yards away

  Ground floor rear extension 5.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 144 Ash Grove, Hounslow, TW5 9DS

  P/2026/1377 Submitted 7 May 2026 150 yards away

  Certificate of lawfulness for the proposed erection of a rear roof extension with an additional front roof window to the house.

  Granted Lawful development Extension Windows or glazing 6 docs

• 75 ASH GROVE, HOUNSLOW, TW5 9DU

  P/2023/0197 Submitted 20 Jan 2023 150 yards away

  Certificate of lawfulness for the erection of a detached rear outbuilding to the house

  Granted Lawful development 6 docs

• 137 Ash Grove, Hounslow, TW5 9DX

  P/2025/2678 Submitted 3 Sep 2025 150 yards away

  Certificate of lawfulness for the existing use of a House in Multiple Occupation (C4)

  Granted Lawful development 6 docs

• 137 Ash Grove, Hounslow, TW5 9DX

  P/2024/2699 Submitted 8 Aug 2024 150 yards away

  Certificate of lawfulness for the existing change of use from a residential dwelling (C3) to house of multiple occupation (C4)

  Granted Lawful development 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