27 Parkwood Road, Isleworth, TW7 5HE

This site has had 3 applications since 2026: 2 approved, 0 refused.

• P/2026/1697 Withdrawn

  27 Parkwood Road, Isleworth, TW7 5HE

  Erection of a single storey rear and a single storey side extension

  Submitted 8 Jun 2026 Householder
• PA/2026/1423 Granted

  27 Parkwood Road, Isleworth, TW7 5HE

  Ground floor rear extension 4.50 metres deep, maximum height 3.60 metres, 2.60 metres high to the eaves.

  Decided 12 Jun 2026 Prior approval

1. 25 Jun 2026

   Received by Hounslow

2. 26 Jul 2026

   Added to PlanIndex

3. 6 Aug 2026

   Decision issued: GRANT

4. 12 Aug 2026

   Status changed to REGISTERED: Pending recommendation

   Previously REGISTERED: Under Assessment.

Hounslow granted permission on 6 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.

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.

• 27 Parkwood Road, Isleworth, TW7 5HE

  P/2026/1697 Submitted 8 Jun 2026 0m away

  Erection of a single storey rear and a single storey side extension

  Withdrawn Householder Extension 4 docs
  Small domestic

• 27 Parkwood Road, Isleworth, TW7 5HE

  PA/2026/1423 Submitted 11 May 2026 0m away

  Ground floor rear extension 4.50 metres deep, maximum height 3.60 metres, 2.60 metres high to the eaves.

  Granted Prior approval Extension 4 docs

• 58 Parkwood Road, Isleworth, TW7 5HD

  P/2026/0103 Submitted 13 Jan 2026 38m 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 6 docs

• 58 Parkwood Road, Isleworth, TW7 5HD

  P/2026/0104 Submitted 13 Jan 2026 38m away

  Erection of a single storey rear extension, part two storey side and rear extensions. Conversion of the existing garage to a habitable space and installation of a new window on the rear elevation.

  Refused Householder Extension Windows or glazing 9 docs
  Small domestic

• 23 Downs View, Isleworth, TW7 5HF

  P/2024/3516 Submitted 22 Oct 2024 42m away

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

  Granted Lawful development Extension Loft or dormer +1 7 docs

• 23 Downs View, Isleworth, TW7 5HF

  P/2025/2500 Submitted 12 Aug 2025 42m away

  Erection of a single storey ground floor side extension and part rear infill extension to the house. Following the demolition of the garage.

  Withdrawn Householder Extension Demolition 6 docs
  Small domestic

• P/2026/2118 Granted

  54 Amhurst Gardens, Isleworth, TW7 6AJ

  Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows.

  Received 20 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2580 Awaiting decision

  50B Paxton Road, Chiswick, London, W4 2QX

  Certificate of lawfulness for the existing use of a first floor self contained flat.

  Received 10 Sep, published by the council 17 Sep 2026 Lawful development
• P/2026/2332 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

  Certificate of Lawfulness for the proposed hip to gable conversion, front roof lights and erection of a rear roof extension to the house.

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2089 Granted

  18 Central Avenue, Hounslow, TW3 2QH

  Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

  Received 17 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2566 Awaiting decision

  109 Wood Lane, Isleworth, TW7 5EG

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

  Received 9 Sep, published by the council 17 Sep 2026 Lawful development