77 Devonshire Road, Chiswick, London, W4 2HU

1. 4 Aug 2024

   Received by Hounslow

2. 7 Oct 2024

   Decision issued: GRANT

3. 23 Sep 2026

   Added to PlanIndex

Hounslow granted permission on 7 October 2024, 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 89 Devonshire Road, Chiswick, London, W4 2HU

  P/2025/3230 Submitted 24 Oct 2025 50 yards away

  Erection of rear roof dormer and second floor rear outrigger extension with a rear Juliet balcony and installation of two front roof lights to the house.

  Granted Householder Extension Loft or dormer 12 docs
  Domestic

• 66 Devonshire Road, Chiswick, W4 2HT

  P/2026/0886 Submitted 17 Mar 2026 50 yards away

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

  Granted Lawful development Extension Windows or glazing 5 docs

• 64 Flat Ground Floor,Devonshire Road,Chiswick,London,W4 2HT

  P/2024/3357 Submitted 7 Oct 2024 50 yards away

  Erection of a single storey side and rear extension to the flat

  Granted Full applications Extension 9 docs
  Small domestic

• 80 DALE STREET, CHISWICK, LONDON, W4 2BZ

  P/2021/2429 Submitted 11 Jun 2021 50 yards away

  Erection of a single storey rear infill extension.

  Granted Householder Extension 5 docs
  Small domestic

• 94 DEVONSHIRE ROAD, CHISWICK, LONDON, W4 2HS

  P/2019/4568 Submitted 10 Dec 2019 50 yards away

  Conversion of two flats into a single family dwelling

  Withdrawn Full applications New dwelling 7 docs
  Several homes

• 98 Devonshire Road,Chiswick,W4 2HS

  P/2026/2006 Submitted 7 Jul 2026 100 yards away

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

  Granted Lawful development Extension Windows or glazing 6 docs

• P/2026/2813 Awaiting decision

  150 Wood Lane, Isleworth, TW7 5EQ

  (GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house

  Received 5 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2334 Granted

  69 Central Avenue, Hounslow, TW3 2QW

  Certificate of lawfulness for the proposed hip to gable conversion and erection of rear roof extension with three front roof windows to the house.

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2459 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

  Certificate of Lawfulness for the proposed hip to gable roof conversion, installation of two front roof windows, and erection of a rear roof extension to the existing house.

  Received 28 Aug, published by the council 5 Sep 2026 Lawful development
• P/2026/2787 Awaiting decision

  13 Denbigh Road, Hounslow, TW3 4DU

  Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Received 1 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2790 Awaiting decision

  14 Old Farm Close, Hounslow, TW4 7AB

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

  Received 1 Oct, published by the council 6 Oct 2026 Lawful development