112A Syon Lane, Isleworth, TW7 5NJ

1. 4 Nov 2024

   Received by Hounslow

2. 17 Dec 2024

   Decision issued: LAWFNOTGRANT

3. 2 Sep 2026

   Added to PlanIndex

Hounslow granted permission on 17 December 2024, 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.

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.

• 108 Syon Lane, Isleworth, TW7 5NJ

  PA/2026/2043 Submitted 10 Jul 2026 26m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 2.90 metres high to the eaves.

  Granted Prior approval Extension 6 docs

• 104 SYON LANE, ISLEWORTH, TW7 5NJ

  PA/2021/2710 Submitted 2 Jul 2021 41m away

  Ground floor rear extension 6 metres deep, maximum height of 2.80 metres, 2.80 metres high to the eaves

  Granted Prior approval Extension 9 docs

• 88 Syon Lane, Isleworth, TW7 5NQ

  P/2025/3300 Submitted 3 Nov 2025 99m away

  Certificate of lawfulness for proposed rear roof extension with hip to gable conversion and two front roof windows, and erection of a detached single storey outbuilding

  Granted Lawful development Extension Loft or dormer +1 4 docs
  Small domestic

• 88 Syon Lane, Isleworth, TW7 5NQ

  PA/2025/3283 Submitted 30 Oct 2025 99m away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.20 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 4 docs

• Wyke Green Estate, Isleworth TW7 5PG

  P/2025/3824 Submitted 2 Jan 2026 175m away

  Works to trees within TPO 64. T15 Holly. Fell to ground level T28 and T29 Yew. Prune back overhang into property by up to 2 metres T142 Rowan. Fell to ground level. T3 Blue Atlas Cedar. Prune overhang into property back to previous pruning points and by up to 1 metre.

  Granted Trees 4 docs

• Wyke Green Estate, Isleworth, TW7 5PE

  P/2025/3083 Submitted 13 Oct 2025 177m away

  Works to trees in a Conservation Area. T1 Crown lift to 5 metres. T2 Silver Birch. Crown lift to 5 metres and cut back overhang to property boundary by 2 metres. T4/T5/T6/T7 Common Lime. Crown lift to 5 metres, cut back overhang to highway by 2.5 metres. T12 Holm Oak. Reduce and shape canopy by 1.5 metres. T16 Silver Birch. Crown lift to 5 metres, remove major deadwood, minor crown reduction to balance asymmetric crown. T22 Sweet Chestnut. Remove major deadwood in canopy. T30 Plum. Prune away from garden of number 8 by 2.5 metres, to give clearance, and shape remainder of canopy by approximately 2 metres. T32/T33/T34 Horse Chestnut & Common Limes. Remove epicormic up to crown break. T58 Holm Oak. Reduce and shape canopy by 2 metres and heavily trim ivy underneath. T65 Common Lime. Remove epicormic growth on stem to height of 4 metres. T68 Sycamore. Remove saplings either side of main stem. T73 English Oak. Remove all major deadwood and prune back branches extending over p... read more

  Granted Trees 5 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