38 and 40 Duke Road Chiswick London W4 2DD

1. 11 Mar 2026

   Received by Hounslow

2. 18 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 1 Jun 2026

   Decision issued: APPROVED

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 1 June 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.

• 28 DUKE ROAD, CHISWICK, LONDON, W4 2DD

  P/2021/2030 Submitted 24 May 2021 50 yards away

  Certificate of Lawfulness for the erection of a rear roof dormer extension and roof extension to the two storey rear outrigger, and two front roof windows to the house.

  Granted Lawful development Extension Loft or dormer +1 10 docs

• 28 DUKE ROAD, CHISWICK, LONDON, W4 2DD

  P/2021/2031 Submitted 24 May 2021 50 yards away

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

  Granted Householder Extension 11 docs
  Small domestic

• 38 Duke Road, Chiswick, London, W4 2DD

  P/2025/3600 Submitted 2 Dec 2025 50 yards away

  Erection of single storey rear infill extension to the house to form a wrap around extension and a rooflight to existing single storey rear extension.

  Granted Householder Extension Loft or dormer 9 docs
  Small domestic

• 37-39 DUKE ROAD, CHISWICK, LONDON, W4 2BA

  P/2019/3878 Submitted 25 Oct 2019 50 yards away

  Erection of a single storey rear extension to both houses

  Granted Householder Extension 9 docs
  Small domestic

• 6 Dukes Avenue, Chiswick, London, W4 2AE

  P/2024/3699 Submitted 6 Nov 2024 50 yards away

  Works to two trees within a conservation area: T1 (Mimosa) - Reduce the crown by 1-1.25m all round and shape. T2 (Bay) - Reduce height by 3m. Trim lateral crown by 1-1.25m. Retain furnishing growth.

  Granted Trees 5 docs

• 44 Duke Road, Chiswick, W4 2DD

  P/2024/3595 Submitted 30 Oct 2024 50 yards away

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

  Granted Lawful development Extension Windows or glazing 6 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