37 Marshall Close, Hounslow, TW4 5HJ

1. 17 Sep 2026

   Received by Hounslow

2. 18 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 23 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 13 November 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 householder applications in a median of 63 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 11 BEAULIEU CLOSE, HOUNSLOW, TW4 5EN

  P/2021/2093 Submitted 26 May 2021 100 yards away

  Erection of a single storey front extension to the house

  Refused Householder Extension 8 docs
  Small domestic

• 66 BERESFORD GARDENS, HOUNSLOW, TW4 5HW

  P/2021/2283 Submitted 8 Jun 2021 100 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating three front roof windows to the house

  Granted Lawful development Extension Windows or glazing 5 docs

• 17 Roseheath Road,Hounslow,TW4 5HH

  P/2026/2548 Submitted 8 Sep 2026 100 yards away

  100% historically approved · decision due ~3 Nov

  Certificate of Lawfulness for the existing use as two self contained flats at ground and first floor

  Awaiting decision Lawful development New dwelling 5 docs

• 5 ROSEHEATH ROAD, HOUNSLOW, TW4 5HH

  P/2021/2140 Submitted 1 Jun 2021 150 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating hip to gable conversion and two front roof windows to the house

  Granted Lawful development Extension Loft or dormer +1 5 docs

• 27 BERESFORD GARDENS, HOUNSLOW, TW4 5HN

  P/2021/2751 Submitted 6 Jul 2021 150 yards away

  Erection of a two storey side extension to the house

  Refused Householder Extension 8 docs
  Domestic

• 6 Masionette First And Second Floors,Marshall Close,Hounslow,TW4 5HJ

  P/2026/2217 Submitted 29 Jul 2026 150 yards away

  100% historically approved · decision due ~15 Oct

  Certificate of lawfulness for the proposed use of part of the house for administration relating to a private vehicle hire business.

  Awaiting decision Lawful development 3 docs

• P/2026/1827 Granted

  31 Staveley Gardens,Chiswick,W4 2SA

  Erection of a single storey front porch extension, two storey side extension and single storey rear extension to the house.

  Received 19 Jun, published by the council 26 Jul 2026 Householder
• P/2026/2039 Granted

  132 Guildford Avenue, Feltham, TW13 4EL

  Erection of a single storey rear extension.

  Received 9 Jul, published by the council 26 Jul 2026 Householder
• P/2026/1567 Granted

  15 Devonshire Gardens, Chiswick, London, W4 3TN

  Demolition of the existing single storey detached unenclosed gazebo outbuilding in the south western area of the house's rear garden and erection of a single storey detached outbuilding with a front lean-to in the south western area of the house's rear garden.

  Received 26 May, published by the council 26 Jul 2026 Householder
• P/2026/2655 Awaiting decision

  39 Old Cote Drive, Hounslow, TW5 0RW

  Erection of a single storey detached outbuilding.

  Received 17 Sep, published by the council 20 Sep 2026 Householder
• P/2026/2643 Awaiting decision

  103 Syon Park Gardens, Isleworth, TW7 5NF

  Erection of two side roof extensions.

  Received 16 Sep, published by the council 20 Sep 2026 Householder