173, 173A and 173B Martindale Road, Hounslow, TW4 7EZ

1. 10 Apr 2026

   Received by Hounslow

2. 22 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 15 Jun 2026

   Decision issued: GRANT

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 15 June 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.

• 171A Martindale Road, Hounslow, TW4 7EZ

  P/2024/2836 Submitted 23 Aug 2024 50 yards away

  Creation of a pitched roof with erection of a rear roof extension with two new front roof lights & two new windows to side elevation

  Granted Householder Extension Loft or dormer +1 8 docs
  Domestic

• 177D MARTINDALE ROAD, HOUNSLOW, TW4 7EZ

  P/2021/1406 Submitted 12 Apr 2021 50 yards away

  Erection of a front, side and rear roof extension to the flat

  Withdrawn Full applications Extension 2 docs

• Hounslow Heath School, Martindale Road, Hounslow, TW4 7HE

  P/2025/3517 Submitted 21 Nov 2025 100 yards away

  Retrospective application for the creation of a vehicular access with the erection of two gates

  Granted Full applications 9 docs

• 126 MARTINDALE ROAD, HOUNSLOW, TW4 7HE

  P/2021/3194 Submitted 5 Aug 2021 150 yards away

  Erection of a front porch to create main entrance at the front of the house.

  Granted Householder Extension 7 docs
  Small domestic

• 126 MARTINDALE ROAD, HOUNSLOW, TW4 7HE

  P/2021/2159 Submitted 1 Jun 2021 150 yards away

  Certificate of Lawfulness for the erection of a front porch to the house

  Refused Lawful development Extension 6 docs
  Small domestic

• 117 Martindale Road, Hounslow, TW4 7EZ

  P/2026/0087 Submitted 12 Jan 2026 150 yards away

  Erection of a single storey detached outbuilding for use as a gym, games room and storage in the rear garden.

  Granted Householder 10 docs
  Small 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