12 Heathfield Gardens, Chiswick, London, W4 4JY

1. 12 Sep 2025

   Received by Hounslow

2. 22 Oct 2025

   Decision issued: NO OBJECTION

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 22 October 2025, 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.

• 20 HEATHFIELD GARDENS, CHISWICK, LONDON, W4 4JY

  P/2023/0565 Submitted 21 Feb 2023 24m away

  Erection of a single storey rear infill extension with a glazed roof and alterations to the fenestration following the conversion from two flats to a single house

  Granted Full applications New dwelling Extension +1 21 docs
  Several homes

• 7 Heathfield Gardens, Chiswick, London, W4 4JU

  P/2025/3081 Submitted 13 Oct 2025 42m away

  Reduce height up to 2.5 metres through selective thinning. Reduce sides by up to 2 metres through selective thinning. Lift canopy to stand 2 metres above garage roof (secondary branches only). Remove major deadwood.

  Granted Trees 3 docs

• Chiswick Fire Station, 2-4 Heathfield Gardens, Chiswick, London, W4 4JY

  P/2025/3122 Submitted 16 Oct 2025 44m away

  Works to trees within a conservation area. White Poplar x 2, northwest boundary with Sutton Lane North. Crown lift to 5 metres.

  Granted Trees 4 docs

• 21 Heathfield Gardens, Chiswick, London, W4 4JU

  P/2026/1692 Submitted 8 Jun 2026 47m away

  91% historically approved · decision due ~3 Aug

  Details of Construction Logistics Plan submitted pursuant to condition 4 of planning permission P/2026/0286 dated 31/03/2026 for Erection of a single storey and part first floor rear extension following the demolition of the conservatory, and creation of a basement extension to the house. Resurfacing existing driveway with permeable paving.

  Awaiting decision Conditions Extension Demolition 3 docs
  Small domestic

• 21 HEATHFIELD GARDENS, CHISWICK, LONDON, W4 4JU

  P/2022/4092 Submitted 22 Dec 2022 47m away

  Enlargement of existing roof, replacement of all metal casement windows to timber framed sash windows and replacement of one front roof window with two

  Refused Householder Roofing Windows or glazing 11 docs
  Domestic

• 21 Heathfield Gardens, Chiswick, London, W4 4JU

  P/2026/0286 Submitted 30 Jan 2026 47m away

  Erection of a single storey and part first floor rear extension following the demolition of the conservatory, and creation of a basement extension to the house. Resurfacing existing driveway with permeable paving.

  Granted Householder Extension Demolition 15 docs
  Small domestic

• P/2026/2295 Granted

  9 Grove Park Terrace, Chiswick, London, W4 3QG

  Works to trees in a Conservation Area. Purple Plum (T1). Fell to ground level. Bay Laurel (T2). Fell to ground level.

  6 Aug 2026 Trees
• P/2026/2511 Awaiting decision

  12 Chatsworth Road, Chiswick, London, W4 3HY

  Works to trees within a conservation area. T1 Sycamore - Reduce all aspects of the crown by approx. 3-4m back to previous points of reduction. T2 Lawson Cypress - Reduce in height by approx. 2m and trim back all other aspects to create a tight and tidy shape. Cut back overhanging branches on the right-hand neighbours side. T3 Bay - Reduce all aspects by approx. 2m, cutting away from the shed roof and away from the rear neighbour.

  3 Sep 2026 Trees
• P/2026/2509 Awaiting decision

  51 Grove Park Road, Chiswick, London, W4 3RU

  Work to trees within a conservation area. T1 Lime - Reduce all aspects of the crown by approx. 3-4m back to previous points of reduction. T2 Box Elder - Reduce all aspects of the crown by approx. 3-4m. Remove deadwood. T3 Pear - Reduce height to 3m from ground level. Remove any dead / dangerous branches.

  3 Sep 2026 Trees
• P/2026/2225 Granted

  125A Ridgeway Road North, Isleworth, TW7 5LX

  Works to trees in a conservation area. T1. Walnut. Fell to ground level and grind stump. T2. Leyland Cypress. Fell to ground level and grind stump.

  30 Jul 2026 Trees
• P/2026/2491 Awaiting decision

  2, Cope Studios Brooks Road, Chiswick, London, W4 3BJ

  Works to tree in a Conservation Area 1 X T1 Gleditsia reduce crown height by 4m, tie in sides by 3m and crown lift 3m in front garden

  2 Sep 2026 Trees