Datchet House, Flat 27,Chester Road,Hounslow,TW4 6FB

1. 4 Sep 2026

   Received by Hounslow

2. 10 Sep 2026

   Added to PlanIndex

3. 17 Sep 2026

   Status changed to REGISTERED: Under Consultation

   Previously REGISTERED: Valid.

4. Decision

   Awaiting decision

   Decision expected by 30 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hounslow took a median of 56 days over the applications it decided in the last year.

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided lawful development applications in a median of 55 days. More in our guide to how long planning decisions take.

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.

• 50 Warwick Road, Hounslow, TW4 6HY

  PA/2025/2917 Submitted 29 Sep 2025 39m away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 50 Warwick Road, Hounslow, TW4 6HY

  P/2025/2155 Submitted 9 Jul 2025 39m away

  Erection of single storey side and rear extensions to the house.

  Withdrawn Householder Extension 6 docs
  Small domestic

• 14 Chester Road, Hounslow, TW4 6HX

  P/2026/1643 Submitted 2 Jun 2026 44m away

  Conversion of garage into a habitable space.

  Refused Householder 4 docs
  Domestic

• 8 GREEN LANE, HOUNSLOW, TW4 6JF

  P/2023/0482 Submitted 14 Feb 2023 67m away

  Retrospective application for the erection of a part first floor side extension to the flat.

  Refused Full applications Extension 6 docs

• 8 Green Lane, Hounslow, TW4 6JF

  P/2025/3263 Submitted 29 Oct 2025 67m away

  Erection of side extension to the first floor flat. Following the demolition of the existing extension.

  Granted Householder Extension Demolition 11 docs
  Domestic

• 30 Green Lane, Hounslow, TW4 6JF

  P/2026/1588 Submitted 28 May 2026 158m away

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

  Granted Lawful development Extension Windows or glazing 16 docs

• 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.

  20 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.

  10 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.

  12 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.

  17 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.

  9 Sep 2026 Lawful development