346 Great West Road,Hounslow,TW5 0BA

1. 5 Mar 2025

   Received by Hounslow

2. 26 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Hounslow decided it, and is free to submit a revised scheme at any time. 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.

• 45 SUTTON SQUARE, HOUNSLOW, TW5 0JB

  PA/2023/0417 Submitted 9 Feb 2023 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.50 metres high to the eaves

  Refused Prior approval Extension 6 docs

• 17 Sutton Square, Hounslow, TW5 0JB

  P/2026/1419 Submitted 11 May 2026 100 yards away

  Erection of a two-storey side extension and a part single-storey, part two-storey rear extension.

  Granted Householder Extension 8 docs
  Small domestic

• 17 Sutton Square, Hounslow, TW5 0JB

  PA/2026/0149 Submitted 16 Jan 2026 100 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.40 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 17 Sutton Square, Hounslow, TW5 0JB

  P/2026/0150 Submitted 16 Jan 2026 100 yards 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

• 320B Great West Road, Hounslow, TW5 0BA

  P/2026/1701 Submitted 4 Jun 2026 150 yards away

  Certificate of lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Granted Lawful development 5 docs

• 320B Great West Road, Hounslow, TW5 0BA

  P/2025/3445 Submitted 17 Nov 2025 150 yards away

  Certificate of lawfulness proposed for a hip to gable roof conversion to both sides with a rear roof extension and two front roof windows; and the erection of single storey side extensions to the house.

  Granted Lawful development Extension Loft or dormer +1 22 docs
  Small domestic

• P/2026/2118 Granted

  54 Amhurst Gardens, Isleworth, TW7 6AJ

  Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows.

  Received 20 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2580 Awaiting decision

  50B Paxton Road, Chiswick, London, W4 2QX

  Certificate of lawfulness for the existing use of a first floor self contained flat.

  Received 10 Sep, published by the council 17 Sep 2026 Lawful development
• P/2026/2332 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

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

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2089 Granted

  18 Central Avenue, Hounslow, TW3 2QH

  Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

  Received 17 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2566 Awaiting decision

  109 Wood Lane, Isleworth, TW7 5EG

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

  Received 9 Sep, published by the council 17 Sep 2026 Lawful development