20 Acacia Avenue, Brentford, TW8 8NR

This site has had 2 applications since 2024: 2 approved, 0 refused.

• P/2024/3559 Granted

  20 Acacia Avenue, Brentford, TW8 8NR

  Certificate of Lawfulness for the proposed formation of basement room.

  Decided 13 Jan 2025 Lawful development

1. 20 Aug 2024

   Received by Hounslow

2. 4 Oct 2024

   Decision issued: LAWFNOTGRANT

3. 23 Sep 2026

   Added to PlanIndex

Hounslow granted permission on 4 October 2024, 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.

• 20 Acacia Avenue, Brentford, TW8 8NR

  P/2024/3559 Submitted 26 Oct 2024 50 yards away

  Certificate of Lawfulness for the proposed formation of basement room.

  Granted Lawful development 10 docs

• 28 ACACIA AVENUE, BRENTFORD, TW8 8NR

  P/2021/2559 Submitted 23 Jun 2021 50 yards away

  Certificate of Lawfulness for the proposed erection of a single storey rear extension to the house

  Granted Lawful development Extension 5 docs
  Small domestic

• 4 SYON LANE, ISLEWORTH, TW7 5BT

  PA/2023/1458 Submitted 9 May 2023 100 yards away

  Ground floor rear extension 4.80 metres deep, maximum height 3.20 metres, 3.00 metres high to the eaves

  Withdrawn Prior approval Extension 3 docs

• 22 HAWTHORN ROAD, BRENTFORD, TW8 8NT

  P/2021/1918 Submitted 14 May 2021 100 yards away

  Erection of a part single storey rear extension and a double storey rear and side extension incorporating erection of a garage

  Refused Householder Extension 8 docs
  Small domestic

• 22 HAWTHORN ROAD, BRENTFORD, TW8 8NT

  P/2021/3330 Submitted 17 Aug 2021 100 yards away

  Erection of a single storey rear extension and a two storey side and part rear extension incorporating a side garage to the house

  Refused Householder Extension 8 docs
  Small domestic

• 39 Epworth Road, Isleworth, TW7 5BL

  P/2026/1914 Submitted 29 Jun 2026 150 yards away

  Certificate of lawfulness for the proposed use of one room of the house as an office

  Granted Lawful development 7 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