109 St Stephens Road, Hounslow, TW3 2BL

1. 11 Aug 2026

   Received by Hounslow

2. 16 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 6 October 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 56 days over the applications it decided in the last year.

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided lawful development applications in a median of 56 days. More in our guide to how long planning decisions take.

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.

• 111 St Stephens Road, Hounslow, TW3 2BL

  P/2026/1210 Submitted 20 Apr 2026 50 yards away

  Works to tree in a Conservation Area. T1 False Acacia. Fell to ground level. Rear garden.

  Granted Trees 4 docs

• 111 St Stephens Road, Hounslow, TW3 2BL

  P/2025/3737 Submitted 17 Dec 2025 50 yards away

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

  Granted Lawful development 6 docs
  Small domestic

• 111 St Stephens Road, Hounslow, TW3 2BL

  P/2025/3739 Submitted 17 Dec 2025 50 yards away

  Erection of a single storey rear extension following the demolition of the existing conservatory.

  Granted Householder Extension Demolition 8 docs
  Small domestic

• 111 St Stephens Road, Hounslow, TW3 2BL

  P/2025/1369 Submitted 30 Apr 2025 50 yards away

  Works to tree within a conservation area - T5 False Acacia (Robinia pseudoacacia) - Fell to ground level

  Withdrawn Trees 2 docs

• 111 St Stephens Road, Hounslow, TW3 2BL

  P/2026/1231 Submitted 22 Apr 2026 50 yards away

  Non material amendment to remove the top triangular window and add a roof window following permission P/2025/3739 dated 09/02/2026 for Erection of a single storey rear extension following the demolition of the existing conservatory.

  Granted Amendments Extension Demolition +1 3 docs
  Small domestic

• 144 St Stephens Road, Hounslow, TW3 2BW

  P/2024/3480 Submitted 18 Oct 2024 50 yards away

  Works to trees within a conservation area: Back Garden T1 (Sycamore) x4 - Crown lift to 5m above ground. T2: (Ash) - Lift crown to 5m above ground level.

  Granted Trees 4 docs

• P/2026/2813 Awaiting decision

  150 Wood Lane, Isleworth, TW7 5EQ

  (GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house

  Received 5 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2334 Granted

  69 Central Avenue, Hounslow, TW3 2QW

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

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2459 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

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

  Received 28 Aug, published by the council 5 Sep 2026 Lawful development
• P/2026/2787 Awaiting decision

  13 Denbigh Road, Hounslow, TW3 4DU

  Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Received 1 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2790 Awaiting decision

  14 Old Farm Close, Hounslow, TW4 7AB

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

  Received 1 Oct, published by the council 6 Oct 2026 Lawful development