4 SYON LANE, ISLEWORTH, TW7 5BT

1. 9 May 2023

   Received by Hounslow

2. 23 May 2023

   Decision issued: Withdrawn

3. 30 Sep 2026

   Added to PlanIndex

The applicant withdrew this application before Hounslow decided it, and is free to submit a revised scheme at any time. More in our guide to what happens after a planning decision.

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.

• 39 Epworth Road, Isleworth, TW7 5BL

  P/2026/1914 Submitted 29 Jun 2026 50 yards away

  Certificate of lawfulness for the proposed use of one room of the house as an office

  Granted Lawful development 7 docs

• 14 Epworth Road, Isleworth, TW7 5BN

  P/2026/0001 Submitted 2 Jan 2026 100 yards away

  Erection of single storey rear extension with a pitched roof and four roof windows to the house.

  Refused Householder Extension Windows or glazing 10 docs
  Small domestic

• Land adjacent to 9-31, Epworth Road, Isleworth, TW7 5BL

  P/2025/2969 Submitted 3 Oct 2025 100 yards away

  Details of Condition 9 (Cycle Parking) submitted pursuant to planning permission P/2022/1612 dated 08/11/2022 Erection of 4no. two storey semi-detached houses (4 x two bedroom).

  Granted Conditions 8 docs

• 20 Acacia Avenue, Brentford, TW8 8NR

  P/2024/2806 Submitted 20 Aug 2024 100 yards away

  Certificate of lawfulness for the proposed basement extension to the house.

  Granted Lawful development Extension 9 docs

• 20 Acacia Avenue, Brentford, TW8 8NR

  P/2024/3559 Submitted 26 Oct 2024 100 yards away

  Certificate of Lawfulness for the proposed formation of basement room.

  Granted Lawful development 10 docs

• 28 ACACIA AVENUE, BRENTFORD, TW8 8NR

  P/2021/2559 Submitted 23 Jun 2021 100 yards away

  Certificate of Lawfulness for the proposed erection of a single storey rear extension to the house

  Granted Lawful development Extension 5 docs
  Small domestic

• PA/2026/2437 Refused

  17 Orchard Road, Brentford, TW8 0QX

  Ground floor rear extension 5.51 metres deep, maximum height of 2.80 metres, 2.06 metres high to the eaves

  Received 26 Aug, published by the council 2 Sep 2026 Prior approval
• PA/2026/2481 Refused

  6 Speart Lane, Hounslow, TW5 9EF

  Ground floor rear extension 8.00 metres deep, maximum height of 3.00 metres, 2.80 metres high to the eaves

  Received 1 Sep, published by the council 5 Sep 2026 Prior approval
• PA/2026/2768 Awaiting decision

  86 Kneller Gardens, Isleworth, TW7 7NW

  Ground floor rear extension 4.50 metres, maximum height 3.20 metres, 2.70 metres high to the eaves.

  Received 30 Sep, published by the council 6 Oct 2026 Prior approval
• PA/2026/2393 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

  Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.85 metres high to the eaves

  Received 18 Aug, published by the council 23 Aug 2026 Prior approval
• PA/2026/2364 Granted

  9 Westbourne Road, Feltham, TW13 4LX

  Ground floor rear extension 4.5 metres deep, maximum height of 2.8 metres, 2.8 metres high to the eaves

  Received 13 Aug, published by the council 23 Aug 2026 Prior approval