18 Cleveland Avenue, Chiswick, London, W4 1SN

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

• P/2026/0519 Granted

  18 Cleveland Avenue, Chiswick, London, W4 1SN

  Certificate of lawfulness proposed for the erection of a rear roof extension with three front and rear roof windows to the house and removal of a chimney.

  Decided 31 Mar 2026 Lawful development

1. 11 Feb 2026

   Received by Hounslow

2. 25 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 14 Apr 2026

   Decision issued: APPROVED

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 14 April 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.

• 18 Cleveland Avenue, Chiswick, London, W4 1SN

  P/2026/0519 Submitted 13 Feb 2026 50 yards away

  Certificate of lawfulness proposed for the erection of a rear roof extension with three front and rear roof windows to the house and removal of a chimney.

  Granted Lawful development Extension Windows or glazing 5 docs

• 28 Ravensmede Way, Chiswick, London, W4 1TD

  P/2025/3028 Submitted 9 Oct 2025 50 yards away

  Retrospective application for the erection of a detached outbuilding in the rear garden and extension of a pergola to the house.

  Granted Householder Extension 7 docs
  Small domestic

• 15 Cleveland Avenue, Chiswick, London, W4 1SN

  P/2026/1161 Submitted 15 Apr 2026 50 yards away

  Enlargement of existing single storey rear extension to the house.

  Granted Householder Extension 13 docs
  Small domestic

• 9 CLEVELAND AVENUE, CHISWICK, LONDON, W4 1SN

  P/2023/0183 Submitted 18 Jan 2023 50 yards away

  Installation of a trellis to raise all existing boundary treatments

  Refused Householder 9 docs
  Domestic

• 25 CLEVELAND AVENUE, CHISWICK, LONDON, W4 1SN

  P/2022/4054 Submitted 19 Dec 2022 50 yards away

  Erection of a single storey rear infilll extension, alterations to the existing single storey rear and rear roof extension incorporating the installation of two additional front roof windows

  Withdrawn Householder Extension Windows or glazing 6 docs
  Small domestic

• 22 Ravensmede Way, Chiswick, London, W4 1TD

  P/2026/0878 Submitted 16 Mar 2026 50 yards away

  Variation of condition 2 (Approved Plans) to allow pitched roof over side extension with four rooflights and alterations to fenestration following planning permission P/2025/1377 approved 09/07/2025 Erection of a single storey side and front extension, conversion of the garage into a habitable room with associated alterations to the house.

  Granted Conditions Extension Loft or dormer +1 7 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