12 Byron Avenue, Hounslow, TW4 6LX

This site has had 2 applications since 2026: 1 approved, 0 refused.

• PA/2026/1683 Granted

  12 Byron Avenue, Hounslow, TW4 6LX

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

  Decided 17 Jul 2026 Prior approval

1. 16 Sep 2026

   Received by Hounslow

2. 20 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 11 November 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 prior approval applications in a median of 39 days. More in our guide to how long planning decisions take.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 12 Byron Avenue, Hounslow, TW4 6LX

  PA/2026/1683 Submitted 5 Jun 2026 50 yards 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

• 42 Byron Avenue, Hounslow, TW4 6LX

  PA/2026/1798 Submitted 16 Jun 2026 100 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.30 metres, 2.80 metres high to the eaves

  Granted Prior approval Extension 9 docs

• 8 Chaucer Avenue, Hounslow, TW4 6NB

  P/2025/3431 Submitted 14 Nov 2025 100 yards 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 100 yards 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

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

  P/2021/2456 Submitted 17 Jun 2021 150 yards 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

• 21A Woodfield Road, Hounslow, TW4 6LL

  P/2026/1425 Submitted 11 May 2026 150 yards away

  Variation of condition 2 (approved plans) to allow the addition of a basement level; alterations to window positions and/or sizing and revised balcony design to the rear elevation of planning permission 01227/21A/P4 (P/2023/0657) approved 29/01/2024 for the erection of a three storey block of six flats with cycle storage

  Granted Conditions New dwelling Windows or glazing 12 docs
  Several homes

• PA/2026/2661 Awaiting decision

  99 Shelson Avenue, Feltham, TW13 4QT

  Ground floor rear extension 6.00 metres deep, maximum height of 3.30 metres, 3.00 metres high to the eaves

  Received 18 Sep, published by the council 20 Sep 2026 Prior approval
• PA/2026/2290 Granted

  56 Meadowbank Gardens, Hounslow, TW5 9TU

  Ground floor rear extension 6.00 metres deep, maximum height of 3.10 metres, 2.90 metres high to the eaves

  Received 6 Aug, published by the council 12 Aug 2026 Prior approval
• PA/2026/2649 Awaiting decision

  3 Clayponds Avenue, Brentford, TW8 9QQ

  Ground floor rear extension 6.00 metres deep, maximum height 3.80 metres, 3.00 metres high to the eaves.

  Received 17 Sep, published by the council 20 Sep 2026 Prior approval
• PA/2026/2296 Granted

  73 Princes Road, Feltham, TW13 4LB

  Ground floor rear extension 6.0 metres deep, maximum height of 3.3 metres, 3.0 metres high to the eaves

  Received 6 Aug, published by the council 12 Aug 2026 Prior approval
• PA/2026/2611 Awaiting decision

  72 Crosslands Avenue, Southall, UB2 5RA

  Ground floor rear extension 6 metres deep, maximum height of 3 metres, 3 metres high to the eaves

  Received 14 Sep, published by the council 17 Sep 2026 Prior approval