10 Mayfield Avenue, Chiswick, London, W4 1PW

1. 6 Oct 2024

   Received by Hounslow

2. 2 Dec 2024

   Decision issued: REFUSED

3. 16 Aug 2026

   Added to PlanIndex

Hounslow refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 12 Mayfield Avenue, Chiswick, London, W4 1PW

  P/2024/3733 Submitted 9 Nov 2024 50 yards away

  Erection of a single storey rear extension.

  Granted Householder Extension 14 docs
  Small domestic

• 2 Mayfield Avenue, Chiswick, London, W4 1PW

  P/2025/3265 Submitted 29 Oct 2025 50 yards away

  Erection of a single storey rear extension and installation of a ground floor side door to the house.

  Granted Householder Extension 15 docs
  Small domestic

• 132 Chiswick High Road, Chiswick, London, W4 1PU

  P/2025/3419 Submitted 14 Nov 2025 50 yards away

  Creation of an outdoor seating area with balustrade enclosure to the front of the restaurant with alterations to two of the six front panels to existing shopfront.

  Refused Full applications Windows or glazing 29 docs

• 5 Thornton Avenue, Chiswick, London, W4 1QE

  P/2026/0156 Submitted 19 Jan 2026 50 yards away

  Erection of a single storey rear and side infill extension to the house.

  Granted Householder Extension 9 docs
  Small domestic

• 5 Thornton Avenue, Chiswick, London, W4 1QE

  P/2026/0347 Submitted 3 Feb 2026 50 yards away

  Certificate of lawfulness for the proposed rear roof extension with one front roof window to the house.

  Granted Lawful development Extension Windows or glazing 7 docs

• TWO HOUSES ON LAND BEHIND MAYFIELD AVENUE AND THORNTON AVENUE, CHISWICK, W4 1PW

  P/2021/0572 Submitted 12 Feb 2021 50 yards away

  Details of Condition 12 (contamination) submitted pursuant of planning permission 00749/A/P5 dated 25/07/2012 for demolition of garages and erection of one x five-bedroom house and one x four-bedroom house with associated on-site parking and landscaping

  Granted Conditions Demolition 9 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