112 Cardington Square, Hounslow, TW4 6AL

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

• P/2026/0812 Granted

  112 Cardington Square, Hounslow, TW4 6AL

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

  Decided 12 May 2026 Lawful development

1. 16 Feb 2026

   Received by Hounslow

2. 10 Apr 2026

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 10 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.

• 112 Cardington Square, Hounslow, TW4 6AL

  P/2026/0812 Submitted 10 Mar 2026 50 yards away

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

  Granted Lawful development Extension Loft or dormer 8 docs

• 91 CARDINGTON SQUARE, HOUNSLOW, TW4 6AJ

  P/2023/0904 Submitted 22 Mar 2023 50 yards away

  Construction of outbuilding to be used for car storage and a dropped kerb

  Refused Householder 12 docs
  Small domestic

• 146 Cardington Square, Hounslow, TW4 6AL

  P/2024/3832 Submitted 16 Nov 2024 100 yards away

  Erection of a porch extension.

  Refused Householder Extension 8 docs
  Small domestic

• 146 Cardington Square, Hounslow, TW4 6AL

  P/2025/0227 Submitted 23 Jan 2025 100 yards away

  Erection of a front porch extension compromising of a cabin vehicle.

  Withdrawn Householder Extension 10 docs
  Small domestic

• 148 Cardington Square, Hounslow, TW4 6AL

  P/2025/3681 Submitted 11 Dec 2025 150 yards away

  Erection of a part first floor rear extension to the house.

  Refused Householder Extension 10 docs
  Domestic

• 148 Cardington Square, Hounslow, TW4 6AL

  P/2025/3510 Submitted 21 Nov 2025 150 yards away

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

  Granted Lawful development Extension Loft or dormer +1 8 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