23 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

This site has had 2 applications since 2021: 1 approved, 1 refused.

• P/2021/3718 Granted

  23 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating a Juliet balcony and two front roof windows, removal of the existing front and rear pebbledash render and restore brick to the house

  Decided 30 Sep 2021 Lawful development

1. 10 Aug 2021

   Received by Hounslow

2. 2 Sep 2021

   Decision issued: REFUSED (FULL PLANNING PERMISSION REQUIRED)

3. 2 Sep 2026

   Added to PlanIndex

Hounslow refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 23 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  P/2021/3718 Submitted 15 Sep 2021 50 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating a Juliet balcony and two front roof windows, removal of the existing front and rear pebbledash render and restore brick to the house

  Granted Lawful development Extension Windows or glazing 11 docs

• 15-17 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  P/2021/0834 Submitted 3 Mar 2021 50 yards away

  Erection of a single storey rear infill extension to both houses

  Granted Householder Extension 15 docs
  Small domestic

• 29 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  P/2021/2762 Submitted 7 Jul 2021 50 yards away

  Erection of a rear outrigger roof extension to the house

  Withdrawn Householder Extension 5 docs
  Domestic

• 29 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  P/2021/3406 Submitted 20 Aug 2021 50 yards away

  Certificate of Lawfulness for the erection of an outrigger roof extension incorporating a second front roof window to the house

  Granted Lawful development Extension Windows or glazing 9 docs

• 24 GRAINGER ROAD, ISLEWORTH, TW7 6PQ

  PA/2019/4146 Submitted 15 Nov 2019 50 yards away

  Ground floor rear extension 4 metres deep, maximum height of 3.4 metres, 2.8 metres high to the eaves

  Granted Prior approval Extension 13 docs

• 8 Castle Road, Isleworth, TW7 6QS

  P/2024/2473 Submitted 23 Jul 2024 50 yards away

  Erection of a single storey rear infill extension

  Refused Householder Extension 7 docs
  Small domestic

• 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