137 Ash Grove, Hounslow, TW5 9DX

This site has had 2 applications since 2024: 2 approved, 0 refused.

• P/2024/2699 Granted

  137 Ash Grove, Hounslow, TW5 9DX

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

  Decided 7 Nov 2024 Lawful development

1. 3 Sep 2025

   Received by Hounslow

2. 8 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 16 Oct 2025

   Decision issued: GRANT

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 16 October 2025, 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.

• 137 Ash Grove, Hounslow, TW5 9DX

  P/2024/2699 Submitted 8 Aug 2024 50 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

• 153 Ash Grove, Hounslow, TW5 9DX

  P/2025/0031 Submitted 3 Jan 2025 50 yards away

  76% historically approved · decision due ~20 Mar

  Creation of vehicular access to the house

  Awaiting decision Householder 4 docs
  Domestic

• 258 Ash Grove, Hounslow, TW5 9DY

  PA/2025/3670 Submitted 10 Dec 2025 100 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 2.90 metres high to the eaves.

  Refused Prior approval Extension 5 docs

• 7 LYNMOUTH GARDENS, HOUNSLOW, TW5 9DZ

  PA/2021/3128 Submitted 30 Jul 2021 100 yards away

  Ground floor rear extension 5.95 metres deep, maximum height of 3.63 metres, 2.75 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 5 Lynmouth Gardens, Hounslow, TW5 9DZ

  PA/2024/4232 Submitted 13 Dec 2024 100 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 8 docs

• 5 Lynmouth Gardens, Hounslow, TW5 9DZ

  P/2025/1330 Submitted 28 Apr 2025 100 yards away

  Conversion of a single family house into a six bedroom house in multiple occupation

  Withdrawn Full applications 18 docs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