12 SUSSEX AVENUE, ISLEWORTH, TW7 6LA

1. 9 Jul 2021

   Received by Hounslow

2. 16 Aug 2021

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 16 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 16 August 2021, 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.

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.

• 2 Sussex Avenue, Isleworth, TW7 6LA

  P/2026/2403 Submitted 19 Aug 2026 31m away

  76% historically approved · decision due ~14 Oct

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

  Awaiting decision Householder Extension 3 docs
  Small domestic

• 2 Sussex Avenue, Isleworth, TW7 6LA

  P/2026/1603 Submitted 28 May 2026 31m away

  Erection of two storey side extension and part single storey part two storey rear extension.

  Granted Householder Extension 6 docs
  Small domestic

• 136 Woodlands Road, Isleworth, TW7 6JZ

  P/2024/3012 Submitted 9 Sep 2024 65m away

  Proposal for the demolition of existing single storey double garage and construction of new single garage and utility area with first floor side extension above. Extension of existing second floor loft conversion above the proposed first floor extension with rear dormer enlarged and side dormer re-designed. Juliette balcony proposed to the second floor rear elevation and 2 Velux roof lights to the front roof slopes.

  Granted Householder Extension Loft or dormer +1 13 docs
  Small domestic

• 136 Woodlands Road, Isleworth, TW7 6JZ

  PA/2026/1956 Submitted 1 Jul 2026 65m 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 6 docs

• 32 Sussex Avenue, Isleworth, TW7 6LA

  PA/2025/2949 Submitted 1 Oct 2025 67m away

  Ground floor rear extension 5.00 metres deep, maximum height of 3.50 metres, 3.20 metres high to the eaves

  Withdrawn Prior approval Extension 5 docs

• 32 Sussex Avenue, Isleworth, TW7 6LA

  PA/2025/3391 Submitted 11 Nov 2025 67m away

  Ground floor rear extension 5.00 metres deep, maximum height 3.50 metres, 3.00 metres high to the eaves.

  Granted Prior approval Extension 7 docs

• PA/2026/2167 Granted

  2 Church Walk, Brentford, TW8 8DB

  Ground floor rear extension 4.50 metres deep, maximum height 4.00 metres, 3.00 metres high to the eaves.

  24 Jul 2026 Prior approval
• PA/2026/2475 Awaiting decision

  4 Upton Road, Hounslow, TW3 3HP

  GS868133219 - Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves

  1 Sep 2026 Prior approval
• PA/2026/2481 Awaiting decision

  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

  1 Sep 2026 Prior approval
• PA/2026/2458 Awaiting decision

  82 Ringway, Southall, UB2 5SU

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

  28 Aug 2026 Prior approval
• PA/2026/2461 Awaiting decision

  24 Kingston Avenue, Feltham, TW14 9SL

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

  28 Aug 2026 Prior approval