7 Hazledene Road, Chiswick, London, W4 3JB

This site has had 3 applications since 2026: 2 approved, 0 refused.

• P/2026/1775 Withdrawn

  7 Hazledene Road, Chiswick, London, W4 3JB

  Erection of a single-storey rear and side wrap-around extension.

  Submitted 15 Jun 2026 Householder
• P/2026/1774 Granted

  7 Hazledene Road, Chiswick, London, W4 3JB

  Certificate of Lawfulness for the proposed erection of a rear outrigger extension and the installation of a front roof window to the house.

  Decided 23 Jul 2026 Lawful development

1. 4 Aug 2026

   Received by Hounslow

2. 12 Aug 2026

   Added to PlanIndex

3. 2 Sep 2026

   Status changed to REGISTERED: Under Assessment

   Previously REGISTERED: Under Consultation.

4. 28 Sep 2026

   Decision issued: APPROVED

Hounslow granted permission on 28 September 2026, 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.

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.

• 7 Hazledene Road, Chiswick, London, W4 3JB

  P/2026/1775 Submitted 15 Jun 2026 50 yards away

  Erection of a single-storey rear and side wrap-around extension.

  Withdrawn Householder Extension 4 docs
  Small domestic

• 7 Hazledene Road, Chiswick, London, W4 3JB

  P/2026/1774 Submitted 15 Jun 2026 50 yards away

  Certificate of Lawfulness for the proposed erection of a rear outrigger extension and the installation of a front roof window to the house.

  Granted Lawful development Extension Windows or glazing 5 docs

• 24 Compton Crescent, Chiswick, London, W4 3JA

  P/2025/3439 Submitted 17 Nov 2025 50 yards away

  Erection of a side infill extension with a glass roof.

  Granted Householder Extension 10 docs
  Domestic

• 20 Compton Crescent, Chiswick, London, W4 3JA

  P/2025/3738 Submitted 17 Dec 2025 50 yards away

  Erection of a single storey rear infill extension to the house

  Granted Householder Extension 14 docs
  Small domestic

• 20 Compton Crescent, Chiswick, London, W4 3JA

  P/2025/3736 Submitted 17 Dec 2025 50 yards away

  Certificate of lawfulness for the proposed erection of a rear outrigger roof extension to the house

  Granted Lawful development Extension 9 docs

• 12 Compton Crescent, Chiswick, London, W4 3JA

  P/2026/0703 Submitted 2 Mar 2026 50 yards away

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

  Granted Lawful development Extension Windows or glazing 7 docs

• P/2026/2304 Granted

  18 Clifden Road, Brentford, TW8 0PF

  Erection of a side and rear extensions.

  Received 7 Aug, published by the council 12 Aug 2026 Householder
• P/2026/2804 Awaiting decision

  128 Durham Road, Feltham, TW14 0AE

  Erection of a detached outbuilding in the rear garden following demolition of existing shed.

  Received 2 Oct, published by the council 9 Oct 2026 Householder
• P/2026/2301 Granted

  4 Glebe Street, Chiswick, W4 2BG

  Erection of a front side and rear side infill extensions with alterations to the rear elevation, a rear side first floor infill extension with replacement of windows to the rear elevation and installation of new rooflights to the existing ground floor infill extension of the house

  Received 7 Aug, published by the council 16 Aug 2026 Householder
• P/2026/1167 Granted

  20 Firs Drive, Hounslow, TW5 9TD

  Erection of part one, part two-storey side extension following demolition of existing garage and part one, part two-storey rear extension. Raising of roof ridge, erection of rear roof extensions, and installation of one front roof window.

  Received 15 Apr, published by the council 26 Jul 2026 Householder
• P/2026/2025 Granted

  1 Kneller Gardens, Isleworth, TW7 7NP

  Erection of a single storey rear and first floor side extension incorporating the conversion of the existing garage to a habitable room

  Received 8 Jul, published by the council 26 Jul 2026 Householder