28 Penwerris Avenue, Isleworth, TW7 4QX

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

• P/2025/2944 Granted

  28 Penwerris Avenue, Isleworth, TW7 4QX

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

  Decided 15 Oct 2025 Lawful development

1. 24 Jun 2026

   Received by Hounslow

2. 26 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. 3 Aug 2026

   Status changed to REGISTERED: Under Assessment

   Previously REGISTERED: Under Consultation.

5. 21 Aug 2026

   Decision issued: APPROVED

6. 23 Aug 2026

   Status changed to REGISTERED: Pending recommendation

   Previously REGISTERED: Under Assessment.

Hounslow granted permission on 21 August 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.

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.

• 28 Penwerris Avenue, Isleworth, TW7 4QX

  P/2025/2944 Submitted 30 Sep 2025 0m away

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

  Granted Lawful development 5 docs
  Small domestic

• 29 Penwerris Avenue, Isleworth, TW7 4QT

  P/2026/1345 Submitted 5 May 2026 51m 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  Withdrawn Householder Extension Loft or dormer +1 6 docs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

• 29 Pevensey Close, Isleworth, TW7 4QS

  P/2025/3245 Submitted 27 Oct 2025 61m away

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

  Granted Lawful development Extension 12 docs
  Small domestic

• 23 Penwerris Avenue, Isleworth, TW7 4QT

  P/2025/3390 Submitted 11 Nov 2025 73m 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

• 11 PENWERRIS AVENUE, ISLEWORTH, TW7 4QT

  P/2021/2269 Submitted 7 Jun 2021 122m away

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

  Granted Householder Extension Demolition 17 docs
  Small domestic

• 18 Cranmore Avenue, Isleworth, TW7 4QW

  PA/2024/3490 Submitted 19 Oct 2024 133m 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

• P/2026/2623 Awaiting decision

  8 Lonsdale Road,Chiswick,W4 1ND

  Installation of external condenser at first floor level.

  Received 15 Sep, published by the council 17 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.

  Received 21 Jul, published by the council 30 Jul 2026 Householder
• P/2026/2615 Awaiting decision

  48 Meadow Waye, Hounslow, TW5 9EZ

  Erection of a part first floor rear extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2619 Awaiting decision

  12 Letchworth Avenue, Feltham, TW14 9RY

  Erection of a single storey rear extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2600 Awaiting decision

  310 Lionel Road North, Brentford, TW8 9QX

  Erection of a rear roof extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder