16 Cardington Square, Hounslow, TW4 6AH

This site has had 2 applications since 2026: 2 approved, 0 refused.

• PA/2026/0693 Granted

  16 Cardington Square, Hounslow, TW4 6AH

  Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.85 metres high to the eaves.

  Decided 31 Mar 2026 Prior approval

1. 2 Mar 2026

   Received by Hounslow

2. 9 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.

• 16 Cardington Square, Hounslow, TW4 6AH

  PA/2026/0693 Submitted 2 Mar 2026 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.85 metres high to the eaves.

  Granted Prior approval Extension 8 docs

• 18 Cardington Square, Hounslow, TW4 6AH

  P/2026/1410 Submitted 11 May 2026 50 yards away

  Erection of roof extension and a two storey side and single storey rear extension to the house. Following the demolition of the garage.

  Granted Householder Extension Demolition 16 docs
  Small domestic

• 18 Cardington Square, Hounslow, TW4 6AH

  PA/2026/0696 Submitted 2 Mar 2026 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.85 metres high to the eaves.

  Granted Prior approval Extension 9 docs

• 18 Cardington Square, Hounslow, TW4 6AH

  P/2026/0695 Submitted 2 Mar 2026 50 yards away

  Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows.

  Granted Lawful development Extension Loft or dormer +1 9 docs

• 26 Cardington Square, Hounslow, TW4 6AH

  P/2024/3253 Submitted 28 Sep 2024 50 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows to the house.

  Granted Lawful development Extension Loft or dormer +1 8 docs

• 154 CARDINGTON SQUARE, HOUNSLOW, TW4 6AL

  PA/2023/1097 Submitted 5 Apr 2023 100 yards away

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

  Granted Prior approval Extension 6 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