11 PENWERRIS AVENUE, ISLEWORTH, TW7 4QT

1. 7 Jun 2021

   Received by Hounslow

2. 26 Jul 2021

   Decision issued: APPROVED

3. 26 Jul 2026

   Added to PlanIndex

Hounslow granted permission on 26 July 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 23 Penwerris Avenue, Isleworth, TW7 4QT

  P/2025/3390 Submitted 11 Nov 2025 53m away

  Retrospective application for the erection of a single-storey rear extension to the house. Removal of the rear canopy from the single storey rear extension.

  Granted Householder Extension 13 docs
  Small domestic

• 18 Cranmore Avenue, Isleworth, TW7 4QW

  PA/2024/3490 Submitted 19 Oct 2024 74m away

  Ground floor rear extension 6.00 metres deep, maximum height 2.90 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 18 Cranmore Avenue,Isleworth,W7 4QW

  P/2024/3651 Submitted 4 Nov 2024 74m away

  Erection of a single storey and part two storey rear extension, first floor side extension, hip to gable extension and erection of a rear roof extension with two front roof windows to the house. Erection of single storey detached out building in the rear garden.

  Refused Householder Extension Loft or dormer +1 17 docs
  Small domestic

• Land Rear of 121 JERSEY ROAD, ISLEWORTH, TW7 4QR

  P/2019/3968 Submitted 31 Oct 2019 78m away

  Details of condition 8 (SUDS) submitted pursuant of planning permission 00647/R/O121/P7 dated 15/11/2018 for variation of condition 2 (approved plans) to allow for front infill basement extension and internal alterations to both houses as approved under planning permission 00647/R/O121/P6 dated 13/08/2018.

  Granted Conditions Extension 18 docs

• 29 Penwerris Avenue, Isleworth, TW7 4QT

  P/2026/1345 Submitted 5 May 2026 82m away

  Erection of a hip to gable to both sides and a rear roof extension with three front roof windows to the house

  Withdrawn Householder Extension Loft or dormer +1 6 docs
  Domestic

• 115 Jersey Road, Isleworth, TW7 4QR

  P/2026/1534 Submitted 21 May 2026 91m away

  Erection of a single-storey rear extension, part first-floor side extension, and rear roof extension, including two front roof windows to the house and the conversion of the garage to a habitable room.

  Granted Householder Extension Windows or glazing 24 docs
  Small domestic

• P/2026/2623 Awaiting decision

  8 Lonsdale Road,Chiswick,W4 1ND

  Installation of external condenser at first floor level.

  15 Sep 2026 Householder
• P/2026/2125 Granted

  36 Midsummer Avenue, Hounslow, TW4 5BB

  Erection of a single storey rear extension and a single storey side extension following the demolition of the existing side garage.

  21 Jul 2026 Householder
• P/2026/2615 Awaiting decision

  48 Meadow Waye, Hounslow, TW5 9EZ

  Erection of a part first floor rear extension.

  14 Sep 2026 Householder
• P/2026/2619 Awaiting decision

  12 Letchworth Avenue, Feltham, TW14 9RY

  Erection of a single storey rear extension.

  14 Sep 2026 Householder
• P/2026/2600 Awaiting decision

  310 Lionel Road North, Brentford, TW8 9QX

  Erection of a rear roof extension.

  14 Sep 2026 Householder