112 Cardington Square, Hounslow, TW4 6AL

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

• P/2026/0544 Granted

  112 Cardington Square, Hounslow, TW4 6AL

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

  Decided 10 Apr 2026 Lawful development

1. 10 Mar 2026

   Received by Hounslow

2. 12 May 2026

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 12 May 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/2026/0544 Submitted 16 Feb 2026 0m away

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

  Granted Lawful development 6 docs
  Small domestic

• 146 Cardington Square, Hounslow, TW4 6AL

  P/2025/0227 Submitted 23 Jan 2025 107m 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  Withdrawn Householder Extension 10 docs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 115m 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 115m 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

• FLAT GROUND FLOOR 18 HINTON AVENUE, HOUNSLOW, TW4 6AR

  P/2023/0685 Submitted 2 Mar 2023 140m away

  Formation of a vehicular access to the front of the house

  Withdrawn Householder 4 docs
  Domestic

• 16 Cardington Square, Hounslow, TW4 6AH

  P/2026/0692 Submitted 2 Mar 2026 155m away

  Certificate of lawfulness for proposed hip-to-gable conversion and rear roof extension with two front roof windows. Erection of outbuilding in rear garden for use as garden storage, office and gym.

  Granted Lawful development Extension Loft or dormer +1 9 docs

• P/2026/2033 Granted

  3 Benedict Drive, Feltham, TW14 8JH

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

  8 Jul 2026 Lawful development
• P/2026/2027 Granted

  115 Northumberland Crescent, Feltham, TW14 9SP

  Certificate of lawfulness for the proposed erection of a rear roof extension and windows to the front of the house.

  8 Jul 2026 Lawful development
• P/2026/2009 Granted

  3 Brainton Avenue, Feltham, TW14 0AZ

  Certificate of lawfulness for the proposed erection of a rear roof extension and Juliette balcony with front roof windows to the house.

  7 Jul 2026 Lawful development
• P/2026/2014 Granted

  82 Sussex Avenue, Isleworth, TW7 6LB

  Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

  7 Jul 2026 Lawful development
• P/2026/2473 Awaiting decision

  16 Somerset Waye, Hounslow, TW5 9HG

  Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.

  1 Sep 2026 Lawful development