5 Oaklands Avenue, Isleworth, TW7 5PX

1. 31 Mar 2026

   Received by Hounslow

2. 26 May 2026

   Decision issued: REFUSED

3. 12 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.

• 7 OAKLANDS AVENUE, ISLEWORTH, TW7 5PX

  P/2021/1563 Submitted 22 Apr 2021 50 yards away

  Erection of a single storey rear extension and addition of three windows on ground floor side elevation.

  Granted Householder Extension Windows or glazing 6 docs
  Small domestic

• 33 Oaklands Avenue, Isleworth, TW7 5PX

  P/2026/0251 Submitted 27 Jan 2026 50 yards away

  Fell Cypress tree in a rear garden in a Conservation Area.

  Granted Trees 2 docs

• 33 Oaklands Avenue, Isleworth, TW7 5PX

  P/2025/3422 Submitted 14 Nov 2025 50 yards away

  99% historically approved · decision due ~9 Jan

  Works to tree in a Conservation Area - 1 X Leyland Cypress (Cuprocyparis leylandii) be trimmed back or removed in back garden

  Awaiting decision Trees 3 docs

• 185 SYON LANE, ISLEWORTH, TW7 5PU

  P/2021/2987 Submitted 22 Jul 2021 50 yards away

  Certificate of lawfulness for erection of rear roof extension and two front rooflights.

  Refused Lawful development Extension Loft or dormer 10 docs

• 191 Syon Lane, Isleworth, TW7 5PU

  P/2026/1413 Submitted 11 May 2026 50 yards away

  Works to tree in a Conservation Area. Removal of 1 X Magnolia tree which is located within the boundary.

  Granted Trees 5 docs

• 12A Oaklands Avenue, Isleworth, TW7 5PX

  P/2025/3420 Submitted 14 Nov 2025 50 yards away

  Erection of a single storey rear extension to the house and erection of a single storey detached outbuilding following demolition of the existing detached outbuilding in the rear garden

  Granted Householder Extension Demolition 18 docs
  Small domestic

• 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