34 Shelley Crescent, Hounslow, TW5 9BJ

1. 4 Aug 2026

   Received by Hounslow

2. 5 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 12 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 30 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hounslow took a median of 55 days over the applications it decided in the last year.

This application is with Hounslow for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• 55 Shelley Crescent, Hounslow, TW5 9BQ

  PA/2026/1287 Submitted 28 Apr 2026 41m away

  Ground floor 6.00 metres deep, maximum height 3.00 metres, 2.70 metres high to the eaves

  Granted Prior approval 6 docs

• 25 Burns Way, Hounslow, TW5 9BL

  P/2026/1434 Submitted 12 May 2026 70m away

  Erection of an extension to the existing outbuilding.

  Granted Householder Extension 9 docs
  Small domestic

• 25 Burns Way, Hounslow, TW5 9BL

  P/2026/0741 Submitted 4 Mar 2026 70m away

  Erection of a rear roof extension with a hip-to-gable conversion and three front roof windows, a single-storey rear extension, part first-floor rear extension, and a front porch extension to the house.

  Granted Householder Extension Loft or dormer +1 9 docs
  Small domestic

• 33 Burns Way, Hounslow, TW5 9BL

  P/2025/2816 Submitted 18 Sep 2025 71m away

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

  Granted Householder Extension 9 docs
  Domestic

• 23 Burns Way, Hounslow, TW5 9BL

  PA/2026/0293 Submitted 30 Jan 2026 76m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.50 metres, 3.00 metres high to the eaves.

  Granted Prior approval Extension 14 docs

• 31 SHELLEY CRESCENT, HOUNSLOW, TW5 9BQ

  PA/2023/0598 Submitted 23 Feb 2023 101m 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 7 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