210 Twickenham Road, Isleworth, TW7 7DR

This site has had 2 applications since 2025: 1 approved, 0 refused.

• P/2026/1106 Awaiting decision

  210 Twickenham Road, Isleworth, TW7 7DR

  Certificate of lawfulness for the continued use as three self contained flats

  Submitted 7 Apr 2026 Lawful development

1. 28 Nov 2025

   Received by Hounslow

2. 17 Mar 2026

   Decision issued: LAWFNOTGRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 17 March 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.

• 210 Twickenham Road, Isleworth, TW7 7DR

  P/2026/1106 Submitted 7 Apr 2026 50 yards away

  100% historically approved · decision due ~2 Jun

  Certificate of lawfulness for the continued use as three self contained flats

  Awaiting decision Lawful development New dwelling 4 docs

• 2A Cleveland Road, Isleworth, TW7 7EY

  P/2026/0774 Submitted 6 Mar 2026 50 yards away

  Raising of roof ridge, erection of a rear roof extension with hip to gable conversion to both side of the roof and two front roof windows to the house.

  Granted Householder Extension Loft or dormer +1 9 docs
  Domestic

• 2A Cleveland Road, Isleworth, TW7 7EY

  P/2026/0753 Submitted 5 Mar 2026 50 yards away

  Certificate of lawfulness for the proposed erection of a single storey rear extension to the house.

  Granted Lawful development Extension 9 docs
  Small domestic

• 186 Twickenham Road, Isleworth, TW7 7DR

  P/2026/2163 Submitted 24 Jul 2026 100 yards away

  Change of use of the existing house from Class C3 to a 5 bedroom House in Multiple Occupation (Class C4).

  Refused Full applications 11 docs

• 20 Chestnut Grove, Isleworth, TW7 7EZ

  P/2026/0319 Submitted 3 Feb 2026 150 yards away

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

  Granted Lawful development Extension Loft or dormer +1 9 docs

• 18 CHESTNUT GROVE, ISLEWORTH, TW7 7EZ

  PA/2023/0325 Submitted 1 Feb 2023 150 yards away

  Ground floor rear extension 6.00 metres deep, maximum height 4.00 metres, 3.00 metres high to the eaves

  Refused Prior approval Extension 5 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