54 St Dunstans Road, Hounslow, TW4 7QP

1. 25 Oct 2024

   Received by Hounslow

2. 16 Dec 2024

   Decision issued: LAWFNOTGRANT

3. 26 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 16 December 2024, 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.

• 8 Chaucer Avenue, Hounslow, TW4 6NB

  P/2025/3431 Submitted 14 Nov 2025 141m away

  Part retrospective application for retention of two storey side extension with a new roof over, single storey rear infill extension

  Granted Householder Extension Roofing 12 docs
  Small domestic

• 8 CHAUCER AVENUE, HOUNSLOW, TW4 6NB

  P/2021/2608 Submitted 25 Jun 2021 141m away

  Certificate of Lawfulness for the proposed erection of single storey side and rear extensions and a rear roof extension incorporating hip to gable conversion and three front roof windows to the house

  Refused Lawful development Extension Loft or dormer +1 10 docs
  Small domestic

• Haslemere Heathrow Estate, Silver Jubilee Way, Hounslow, TW4 6NF

  P/2025/3669 Submitted 10 Dec 2025 187m away

  78% historically approved · decision due ~4 Feb

  Outline planning permission with all matters reserved except access. A demolition phase and phased redevelopment (each phase being an independent act of development) comprising data centre use (Use Class B8) of up to 50,000 sqm GEA, including ancillary offices, internal plant and equipment (including flues), and substation. In addition up to 4,150sqm GEA of work units (Use Class E(g)(i-iii), B2, B8); car parking; provision of external plant and equipment (including flues); creation of servicing areas and provision of associated services, including waste, refuse, cycle storage, and lighting; and for the laying out of the buildings; routes and open spaces within the development; and all associated works and operations including but not limited to: demolition; earthworks; provision of attenuation infrastructure, engineering operations. This application is for a phased development, each phase being an independent act of development, capable of coming forward in distinct and separable phase... read more

  Awaiting decision Outline Demolition 120 docs

• 87 Great South-West Road, Hounslow, TW4 7NH

  PA/2025/3225 Submitted 24 Oct 2025 194m away

  Ground floor rear extension 4.00 metres deep, maximum height of 3.00 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 6 docs

• LAND ADJACENT TO 8 WINDSOR ROAD, HOUNSLOW, TW4 7QQ

  P/2021/2456 Submitted 17 Jun 2021 209m away

  Details submitted pursuant to Conditions 6B (SAP Calculations and Energy Performance) and 11 (sustainable sourcing of materials) for planning permission 01219/ADJ8/S2 dated 19/09/2019 for erection of a one-bedroom semi-detached bungalow with associated amenity space

  Granted Conditions 8 docs

• 12 Byron Avenue, Hounslow, TW4 6LX

  PA/2026/1683 Submitted 5 Jun 2026 232m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.30 metres, 2.90 metres high to the eaves.

  Granted Prior approval Extension 16 docs

• 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