6 Stamford Brook Avenue, Chiswick, London, W6 0YD

This site has had 3 applications since 2026: 1 approved, 1 refused.

• P/2026/1301 Granted

  6 Stamford Brook Avenue, Chiswick, London, W6 0YD

  Works to two trees within a conservation area. T1 Evergreen Magnolia (Magnolia grandiflora). Reduce height by 3 metres to suitable growth points and reduce lateral growth by up to 1 metre to suitable growth points. T2 Lawsons Cypress (Chamaecyparis lawsoniana). Fell to ground level and replant a Photinia fraseri Red Robin tree in proximity.

  Decided 29 May 2026 Trees
• P/2026/0193 Refused

  6 Stamford Brook Avenue, Chiswick, London, W6 0YD

  Creation of a basement extension and installation of lightwell to the rear. Erection of a single storey side and rear extension with a part glazed conservatory style pitched roof. Erection of side and rear roof extensions with three front roof windows to the house. Removal of one side window and replacement of side window

  Decided 26 Mar 2026 Householder

1. 3 Jul 2026

   Received by Hounslow

2. 26 Jul 2026

   Added to PlanIndex

3. 12 Aug 2026

   Status changed to REGISTERED: Under Assessment

   Previously REGISTERED: Under Consultation.

4. Decision

   Awaiting decision

   Decision expected by 28 August 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.

• 6 Stamford Brook Avenue, Chiswick, London, W6 0YD

  P/2026/0193 Submitted 21 Jan 2026 0m away

  Creation of a basement extension and installation of lightwell to the rear. Erection of a single storey side and rear extension with a part glazed conservatory style pitched roof. Erection of side and rear roof extensions with three front roof windows to the house. Removal of one side window and replacement of side window

  Refused Householder Extension Windows or glazing 18 docs
  Small domestic

• 6 Stamford Brook Avenue, Chiswick, London, W6 0YD

  P/2026/1301 Submitted 30 Apr 2026 0m away

  Works to two trees within a conservation area. T1 Evergreen Magnolia (Magnolia grandiflora). Reduce height by 3 metres to suitable growth points and reduce lateral growth by up to 1 metre to suitable growth points. T2 Lawsons Cypress (Chamaecyparis lawsoniana). Fell to ground level and replant a Photinia fraseri Red Robin tree in proximity.

  Granted Trees 4 docs

• 7 Stamford Brook Avenue, Chiswick, London, W6 0YB

  P/2026/0629 Submitted 23 Feb 2026 38m away

  Works to three trees within a conservation area. Cypress (T1). Reduce height by 2 metres. Evergreen Magnolia (T2 - Magnolia grandiflora). Reduce height by 2 metres to suitable growth points and lateral growth by up to 1 metre to suitable growth points. Cherry (T3 - Prunus species). Fell to ground level and replant with another fruit tree within the garden.

  Granted Trees 4 docs

• 9 Stamford Brook Avenue, Chiswick, London, W6 0YB

  P/2025/3667 Submitted 9 Dec 2025 39m away

  Reduce height to the top of the oldest trunk point. Reduce the left-hand side (when looking from the road) by up to 1.5 metres to match the right-hand side and to match over the neighbour's side and balance crown. Reduce all new growth away from the property and road and trim remaining crown

  Granted Trees 4 docs

• 5 STAMFORD BROOK AVENUE, CHISWICK, LONDON, W6 0YB

  P/2019/4148 Submitted 18 Nov 2019 41m away

  Works to a tree within a conservation area T1 Apple - To reduce all overhanging lateral growth back to the boundary line

  Granted Trees 4 docs

• 15 STAMFORD BROOK AVENUE, CHISWICK, LONDON, W6 0YB

  P/2021/2491 Submitted 18 Jun 2021 45m away

  Erection of a single storey rear extension and side and rear dormers with two front roof windows to the house

  Granted Householder Extension Loft or dormer +1 10 docs
  Small domestic

• P/2026/2623 Awaiting decision

  8 Lonsdale Road,Chiswick,W4 1ND

  Installation of external condenser at first floor level.

  Received 15 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2125 Granted

  36 Midsummer Avenue, Hounslow, TW4 5BB

  Erection of a single storey rear extension and a single storey side extension following the demolition of the existing side garage.

  Received 21 Jul, published by the council 30 Jul 2026 Householder
• P/2026/2615 Awaiting decision

  48 Meadow Waye, Hounslow, TW5 9EZ

  Erection of a part first floor rear extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2619 Awaiting decision

  12 Letchworth Avenue, Feltham, TW14 9RY

  Erection of a single storey rear extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2600 Awaiting decision

  310 Lionel Road North, Brentford, TW8 9QX

  Erection of a rear roof extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder