28 ADDISON AVENUE, HOUNSLOW, TW3 4AP

This site has had 3 applications since 2021: 2 approved, 1 refused.

• P/2021/2757 Granted

  28 ADDISON AVENUE, HOUNSLOW, TW3 4AP

  Certificate of Lawfulness for detached outbuilding to rear to be used as home gym, home working office, sauna room and garden tools store.

  Decided 20 Aug 2021 Lawful development
• P/2021/1707 Refused

  28 ADDISON AVENUE, HOUNSLOW, TW3 4AP

  Certificate of Lawfulness for detached outbuilding to rear of property.

  Decided 24 Jun 2021 Lawful development

1. 30 Apr 2021

   Received by Hounslow

2. 24 Jun 2021

   Decision issued: GRANTED (FULL PLANNING PERMISSION NOT REQUIRED)

3. 27 Sep 2026

   Added to PlanIndex

Hounslow granted permission on 24 June 2021, 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.

• 28 ADDISON AVENUE, HOUNSLOW, TW3 4AP

  P/2021/2757 Submitted 7 Jul 2021 50 yards away

  Certificate of Lawfulness for detached outbuilding to rear to be used as home gym, home working office, sauna room and garden tools store.

  Granted Lawful development 5 docs

• 28 ADDISON AVENUE, HOUNSLOW, TW3 4AP

  P/2021/1707 Submitted 30 Apr 2021 50 yards away

  Certificate of Lawfulness for detached outbuilding to rear of property.

  Refused Lawful development 7 docs

• 6 Colwyn Crescent, Hounslow, TW3 4AW

  P/2026/0770 Submitted 6 Mar 2026 150 yards away

  Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows. Erection of a detached single storey outbuilding to the rear of the house.

  Granted Lawful development Extension Loft or dormer +1 5 docs
  Small domestic

• 148 SPRING GROVE ROAD, HOUNSLOW, TW3 4BP

  P/2021/2461 Submitted 17 Jun 2021 150 yards away

  Creation of a vehicular access to the house

  Refused Householder 7 docs
  Domestic

• 10 Colwyn Crescent, Hounslow, TW3 4AW

  PA/2026/0567 Submitted 18 Feb 2026 150 yards away

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

  Granted Prior approval Extension 5 docs

• 33 TAUNTON AVENUE, HOUNSLOW, TW3 4AG

  P/2023/0835 Submitted 15 Mar 2023 150 yards away

  Erection of a single storey outbuilding to be used as a home office and garden room

  Granted Householder 9 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