2 CORNWALL GROVE, CHISWICK, LONDON, W4 2LB

1. 14 Jun 2021

   Received by Hounslow

2. 25 Jun 2021

   Decision issued: GRANTED (FULL PLANNING PERMISSION NOT REQUIRED)

3. 23 Sep 2026

   Added to PlanIndex

Hounslow granted permission on 25 June 2021, 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.

• 5 Cornwall Grove, Chiswick, London, W4 2LB

  P/2026/0529 Submitted 13 Feb 2026 50 yards away

  Erection of a rear infill extension. Installation of new windows to the rear elevation and main roof.

  Granted Householder Extension Windows or glazing 8 docs
  Domestic

• 17 Cornwall Grove, Chiswick, London, W4 2LB

  P/2026/0026 Submitted 7 Jan 2026 50 yards away

  Erection of a single storey rear and infill extension following the demolition of the existing rear and infill extension to the house

  Granted Householder Extension Demolition 10 docs
  Small domestic

• 26 Cornwall Grove, Chiswick, London, W4 2LB

  P/2026/1686 Submitted 8 Jun 2026 50 yards away

  Erection of a single storey part side and rear extension to the ground floor flat.

  Granted Full applications Extension 16 docs
  Small domestic

• 26 Cornwall Grove, Chiswick, London, W4 2LB

  P/2026/1053 Submitted 31 Mar 2026 50 yards away

  Erection of a part side infill and rear extension to the ground floor flat.

  Refused Full applications Extension 11 docs

• Flat Ground Floor, 28 Cornwall Grove, Chiswick, London, W4 2LB

  P/2026/0554 Submitted 16 Feb 2026 50 yards away

  Erection of a single storey rear extension to the ground floor flat.

  Granted Full applications Extension 10 docs
  Small domestic

• 25 BALFERN GROVE, CHISWICK, W4 2JX

  PA/2023/1063 Submitted 3 Apr 2023 100 yards away

  Ground floor rear extension 5.6 metres deep, maximum height of 3.05 metres, 3.00 metres high to the eaves.

  Granted Prior approval Extension 5 docs

• P/2026/2675 Awaiting decision

  17 Saxon Avenue, Feltham, TW13 5JJ

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

  Received 21 Sep, published by the council 23 Sep 2026 Lawful development
• P/2026/2668 Awaiting decision

  45 Shelley Crescent, Hounslow, TW5 9BQ

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

  Received 21 Sep, published by the council 23 Sep 2026 Lawful development
• P/2026/2651 Awaiting decision

  3 Clayponds Avenue, Brentford, TW8 9QQ

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

  Received 17 Sep, published by the council 20 Sep 2026 Lawful development
• P/2026/2627 Awaiting decision

  23 Elmgate Avenue, Feltham, TW13 7BU

  Certificate of lawfulness for the proposed change of use from residential house Class C3a to a residential home for up to 3 young people aged between 7 and 18 Class C2

  Received 15 Sep, published by the council 20 Sep 2026 Lawful development
• P/2026/2631 Awaiting decision

  17 Northumberland Avenue, Isleworth, TW7 5HZ

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

  Received 15 Sep, published by the council 20 Sep 2026 Lawful development