1 White Swan Mews, Chiswick, London, W4 2AU

This site has had 2 applications since 2024: 1 approved, 1 refused.

• P/2024/2878 Refused

  1 White Swan Mews, Chiswick, London, W4 2AU

  Erection of front and rear roof extensions with additional window to second storey rear bedroom and installation of skylight at ground floor rear level.

  Decided 19 Nov 2024 Householder

1. 6 May 2026

   Received by Hounslow

2. 1 Jul 2026

   Decision issued: LAWFNOTGRANT

3. 26 Jul 2026

   Added to PlanIndex

Hounslow granted permission on 1 July 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.

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.

• 1 White Swan Mews, Chiswick, London, W4 2AU

  P/2024/2878 Submitted 29 Aug 2024 0m away

  Erection of front and rear roof extensions with additional window to second storey rear bedroom and installation of skylight at ground floor rear level.

  Refused Householder Extension Windows or glazing 19 docs
  Domestic

• Schoolkeepers Cottage,1 Devonshire Street,Chiswick,W4 2AX

  P/2024/2447 Submitted 20 Jul 2024 68m away

  Installation of external wall insulation to all walls

  Granted Full applications 35 docs

• 8 -10 Short Road, Chiswick, London, W4 2QU

  P/2024/3376 Submitted 8 Oct 2024 105m away

  Erection of a mansard roof extension with two front roof windows and a rear roof extension with juliet balony to both properties

  Granted Full applications Extension Loft or dormer +1 12 docs

• 2 Short Road, Chiswick, London, W4 2QU

  P/2024/1457 Submitted 6 May 2024 119m away

  Erection of a rear roof extension with Juliet balcony and two front roof windows with raising of ridge height

  Granted Householder Extension Roofing +1 12 docs
  Domestic

• St Marys Rc Primary School Duke Road, Chiswick, London, W4 2DF

  P/2026/2166 Submitted 24 Jul 2026 121m away

  66% historically approved · decision due ~18 Sep

  Part retrospective application for pedestrian entrance gates and proposed installation of replacement vehicle access gates to the school site.

  Awaiting decision Full applications 11 docs

• Cetas Otomotiv, Hogarth Roundabout, Chiswick, W4 2TH

  P/2024/4301 Submitted 18 Dec 2024 127m away

  Installation of an internally illuminated roof sign, internally illuminated totem sign and non illuminated car park sign.

  Granted Advertising 4 docs

• P/2026/2118 Granted

  54 Amhurst Gardens, Isleworth, TW7 6AJ

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

  Received 20 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2580 Awaiting decision

  50B Paxton Road, Chiswick, London, W4 2QX

  Certificate of lawfulness for the existing use of a first floor self contained flat.

  Received 10 Sep, published by the council 17 Sep 2026 Lawful development
• P/2026/2332 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

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

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2089 Granted

  18 Central Avenue, Hounslow, TW3 2QH

  Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

  Received 17 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2566 Awaiting decision

  109 Wood Lane, Isleworth, TW7 5EG

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

  Received 9 Sep, published by the council 17 Sep 2026 Lawful development