84 ROXBOROUGH AVENUE, ISLEWORTH, TW7 5HJ

1. 17 Apr 2023

   Received by Hounslow

2. 9 May 2023

   Decision issued: GRANTED (FULL PLANNING PERMISSION NOT REQUIRED)

3. 6 Oct 2026

   Added to PlanIndex

Hounslow granted permission on 9 May 2023, 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.

• 109 ROXBOROUGH AVENUE, ISLEWORTH, TW7 5HH

  P/2021/2808 Submitted 9 Jul 2021 50 yards away

  Erection of a single storey rear infill extension.

  Granted Householder Extension 5 docs
  Small domestic

• 74 ROXBOROUGH AVENUE, ISLEWORTH, TW7 5HJ

  P/2021/3310 Submitted 16 Aug 2021 50 yards away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating hip to gable conversion, two front roof windows, one second floor side window and conversion of existing garage into habitable room with removal of front shutter and replace with windows to the house.

  Granted Lawful development Extension Loft or dormer +1 5 docs

• 115 Roxborough Avenue, Isleworth, TW7 5HH

  P/2026/1372 Submitted 6 May 2026 100 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 8 docs

• 115 Roxborough Avenue, Isleworth, TW7 5HH

  P/2026/2474 Submitted 1 Sep 2026 100 yards away

  75% historically approved · decision due ~29 Oct

  Erection of a single storey rear extension, front porch extension, part side extension and first floor side extension to the house.

  Awaiting decision Householder Extension 7 docs
  Small domestic

• 30 Albury Avenue, Isleworth, TW7 5HX

  P/2024/3127 Submitted 18 Sep 2024 100 yards away

  Conversion of garage into habitable room and replacement of garage door with window.

  Granted Householder Windows or glazing 7 docs
  Domestic

• 79 HAREWOOD ROAD, ISLEWORTH, TW7 5HN

  P/2021/3260 Submitted 11 Aug 2021 100 yards away

  Conversion of the garage into a habitable room and enlargement of the porch of the house

  Granted 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