12 Stamford Brook Avenue, Chiswick, London, W6 0YD

1. 7 May 2026

   Received by Hounslow

2. 29 May 2026

   Decision issued: NO OBJECTION

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 29 May 2026, 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.

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

• 14 - 16 Stamford Brook Avenue London W6 0YD

  2019/01673/OBS Submitted 3 Jun 2019 50 yards away

  Change of use of the existing three storey building from office use (B1a) to up to twenty two residential units (C3) (amended application)

  Granted 11 docs

• 14 - 16 Stamford Brook Avenue London W6 0YD

  2019/01665/OBS Submitted 31 May 2019 50 yards away

  Change of use of the existing three storey building from office use (B1a) to up to fifteen residential units (C3)

  Granted 11 docs

• 14 - 16 Stamford Brook Avenue London W6 0YD

  2020/00886/OBS Submitted 31 Mar 2020 50 yards away

  96% historically approved · decision due ~26 May

  Temporary permission for the change of use from Use Class B1 (Office building) to Use Class D1 (Medical Centre) and associated parking, for a period of five years.

  Awaiting decision 10 docs

• 14-16, Stamford Brook Avenue, Chiswick, London, W6 0YD

  P/2026/01836/OBS Submitted 20 Jul 2026 50 yards away

  P/2026/1277 Erection of a part two storey front extension, side extension and rear extension. Erection of a third floor level. Installation of external balconies and solar panels to allow the conversion of the existing office building to 19 self-contained residential units with associated communal amenity space, landscaping, disabled car parking, cycle and refuse storage following part demolition of the existing building

  Decided Extension Demolition 2 docs

• 6 Stamford Brook Avenue,Chiswick,London,W6 0YD

  P/2026/01740/OBS Submitted 8 Jul 2026 50 yards away

  Enlargement of the existing basement, including the formation of a rear lightwell; single-storey rear infill extension with a part-glazed pitched roof; and rear and side roof extensions.

  Granted Extension Windows or glazing 2 docs
  Small domestic

• 14-16 Stamford Brook Avenue, Chiswick, London, W6 0YD

  P/2024/2824 Submitted 22 Aug 2024 50 yards away

  Works to trees in a Conservation - Lime trees (T1 and T2) to be Crown lifted to 4 meters approximately, on the Secondary branch structure only and raise the low limbs off of the buildings. Crown reduction by 1.5 metres- (30%) approximately.

  Granted Trees 16 docs

• P/2026/2833 Awaiting decision

  271 Jersey Road, Isleworth, TW7 4RF

  Works to tree within a conservation area. Pine (T1) - Fell to ground level.

  Received 6 Oct, published by the council 9 Oct 2026 Trees
• P/2026/2829 Awaiting decision

  141 Park Road, Chiswick, London, W4 3EX

  Works to four trees within a conservation area. Yew (T1) - Crown reduction by up to 1.5 meters to shape and contain Final height 6 meters and final spread 6 meters Bay (T2) - Crown reduction by up to 4 meters to shape and contain. Final height 5 meters and final spread 4 meters. Purple Leaf Plum (T3) - Crown reduction by up to 4 meters to shape and contain. Final height 5 meters and final spread 4 meters. Magnolia (T4) - Crown reduction by up to 1 meter to shape and contain. Final height 3.5 meters and final spread 3 meters.

  Received 6 Oct, published by the council 9 Oct 2026 Trees
• P/2026/2830 Awaiting decision

  52 Percy Road, Isleworth, TW7 7HB

  Works to trees within a conservation area. REAR GARDEN G1 Sycamore (Acer pseudoplatanus). Reduce height and spread of all trees in the group by approximately 4-5m, to contain and shape. Final height 5-6m and final spread 7-8m.

  Received 6 Oct, published by the council 9 Oct 2026 Trees
• P/2026/2814 Awaiting decision

  13 Eastbourne Road, Chiswick, London, W4 3EB

  Works to a row of Conifer Leylandii in rear garden within a conservation area. Reduce by approximately 2.5 metres.

  Received 5 Oct, published by the council 9 Oct 2026 Trees
• P/2026/2816 Awaiting decision

  16 Wilmington Avenue, Chiswick, London, W4 3HA

  Works to tree within a conservation area. Pear (T1) - Fell tree to ground level and replace with one or more new trees of appropriate species.

  Received 5 Oct, published by the council 9 Oct 2026 Trees