145 Hartham Road, Isleworth, TW7 5EZ

1. 20 Oct 2025

   Received by Hounslow

2. 11 Dec 2025

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 11 December 2025, 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.

• 6 Wood Lane, Isleworth, TW7 5ER

  P/2024/3186 Submitted 23 Sep 2024 56m away

  Details of conditions 5 (Materials) 6 (Landscaping) submitted pursuant to prior approval 01225/6/PA3 dated 05/02/2024 for the demolition of the existing two storey commercial building and replacement with a part three, part four storey building comprising of 20 apartments.

  Granted Conditions New dwelling Demolition 16 docs
  Major scheme

• 6 Wood Lane, Isleworth, TW7 5ER

  P/2024/3030 Submitted 10 Sep 2024 56m away

  Details of Condition 13a (Noise assessment) submitted pursuant to planning permission 01225/6/PA3 (PALL/2023/3950) dated 05/02/2024 for Prior approval for the demolition of the existing two storey commercial building and replacement with a part three, part four storey building comprising of 20 apartments.

  Granted Conditions New dwelling Demolition 10 docs
  Major scheme

• 18 Wood Lane, Isleworth, TW7 5ED

  PA/2026/1157 Submitted 15 Apr 2026 81m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.20 metres, 3.00 metres high to the eaves.

  Granted Prior approval Extension 5 docs

• 18 Wood Lane, Isleworth, TW7 5ED

  P/2026/1776 Submitted 15 Jun 2026 81m away

  Certificate of Lawfulness for the proposed erection of a rear roof extension with hip-to-gable roof conversion, installation of two rooflights to the front roof slope, removal of the rear chimney stack, and erection of a detached outbuilding in the rear garden following the demolition of the existing element.

  Granted Lawful development Extension Loft or dormer +1 8 docs

• 18 Wood Lane, Isleworth, TW7 5ED

  P/2026/1777 Submitted 15 Jun 2026 81m away

  76% historically approved · decision due ~11 Sep

  Erection of a single storey rear extension and part first floor rear extension to the house.

  Awaiting decision Householder Extension 4 docs
  Small domestic

• 382 LONDON ROAD, ISLEWORTH, TW7 5AJ

  P/2021/2197 Submitted 2 Jun 2021 82m away

  Creation of vehicular access to the house

  Refused Householder 8 docs
  Domestic

• P/2026/2033 Granted

  3 Benedict Drive, Feltham, TW14 8JH

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

  8 Jul 2026 Lawful development
• P/2026/2027 Granted

  115 Northumberland Crescent, Feltham, TW14 9SP

  Certificate of lawfulness for the proposed erection of a rear roof extension and windows to the front of the house.

  8 Jul 2026 Lawful development
• P/2026/2009 Granted

  3 Brainton Avenue, Feltham, TW14 0AZ

  Certificate of lawfulness for the proposed erection of a rear roof extension and Juliette balcony with front roof windows to the house.

  7 Jul 2026 Lawful development
• P/2026/2014 Granted

  82 Sussex Avenue, Isleworth, TW7 6LB

  Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

  7 Jul 2026 Lawful development
• P/2026/2473 Awaiting decision

  16 Somerset Waye, Hounslow, TW5 9HG

  Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.

  1 Sep 2026 Lawful development