21 Heathfield Gardens, Chiswick, London, W4 4JU

This site has had 3 applications since 2022: 2 approved, 1 refused.

• P/2026/0286 Granted

  21 Heathfield Gardens, Chiswick, London, W4 4JU

  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.

  Decided 31 Mar 2026 Householder
• P/2022/4092 Refused

  21 HEATHFIELD GARDENS, CHISWICK, LONDON, W4 4JU

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

  Decided 20 Mar 2023 Householder

1. 8 Jun 2026

   Received by Hounslow

2. 26 Jul 2026

   Added to PlanIndex

3. 4 Sep 2026

   Decision issued: APPROVED

• P/2026/0286 Granted

  21 Heathfield Gardens, Chiswick, London, W4 4JU

  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.

  Decided 31 Mar 2026 Householder

Hounslow granted permission on 4 September 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

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

  P/2022/4092 Submitted 22 Dec 2022 50 yards 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 50 yards 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

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

  P/2026/2307 Submitted 7 Aug 2026 50 yards away

  98% historically approved · decision due ~2 Oct

  Works to tree in a Conservation Area: T1 Cherry (Prunus spp.) – fell to ground level.

  Awaiting decision Trees 3 docs

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

  P/2025/3714 Submitted 15 Dec 2025 50 yards away

  Erection of two storey side extension with a part single part two storey rear extension, following the demolition of the garage and the two storey rear extension. Replacement of the existing windows throughout with double glazed timber frame units, repositioning of the air source heat pump (ASHP) to rear garden.

  Granted Householder Extension Demolition +1 35 docs
  Domestic

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

  P/2025/2607 Submitted 26 Aug 2025 50 yards away

  Works to trees within a conservation area - Cherry - Reduce by 2m Height and 1.5m Width.

  Withdrawn Trees 2 docs

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

  P/2026/1864 Submitted 23 Jun 2026 50 yards away

  Works to Cherry tree within a conservation area. Reduce height by 4.5 metres and back to previous reduction points. Reduce lateral growth by 2-3.5 metres and back to previous reduction points, retaining shortened furnishing growth. Thin internal growth by 15%. Remove ivy to ground level.

  Granted Trees 4 docs

• P/2026/2599 Awaiting decision

  322 High Street, Brentford, TW8 0JS

  Variation of conditions 2 and 3 (hours of opening) to allow 24h in store and deliveries operations of Planning Permission 0607/B/P22 (P/2022/0756) approved 28/04/2022 by Planning Appeal APP/F5540/W/22/3303770 for the variation of condition 3 (hours of opening) of permission 00607/B/P16 approved 16/08/2012 for the variation of condition 1 (hours of opening) of permission 00607/B/P13 approved 08/02/2005 for the variation of condition 5 (opening and closing hours) of planning permission 00607/B/P11 approved 19/09/1996

  Received 14 Sep, published by the council 17 Sep 2026 Conditions
• P/2026/2583 Awaiting decision

  58B Wellesley Road, Chiswick, London, W4 4AD

  Details of Condition 3 (samples of the materials) submitted pursuant to permission P/2018/3008 dated 21/05/2019 for Roof extension and associated alterations

  Received 10 Sep, published by the council 17 Sep 2026 Conditions
• P/2026/2574 Awaiting decision

  17-18 Guernsey Close, Hounslow, TW5 0PQ

  Details of Condition 4 (Hard & Soft landscaping) submitted pursuant to permission P/2026/0243 dated 21/07/2026 for Conversion of existing single family House to 2 residential houses with associated private amenity space, car parking, cycle and refuse storage

  Received 10 Sep, published by the council 17 Sep 2026 Conditions
• P/2026/2578 Awaiting decision

  Dukes Meadows,Dan Mason Drive,The Promenade, Riverside Drive,London,Promenade Approach Road,W4 2SH

  Details of conditions 3 (constructions Logistics Plan (CLP) and 19 (Flood defence Condition Survey) submitted pursuant to planning permission 00503/B/S2 dated 09/07/2021 for the variation of conditions 2 (Approved plans), 14 & 15 (Proposed road improvements & pedestrian paths) & 17 (Travel plan) to allow for changes to height/design of consented football pavilion, re-location of approved football AGP, replacement of one approved football AGP with a hockey AGP, creation of two new netball courts, alterations to football pavilion car park and to hockey car park, to accommodate a 12m coach with increase in car parking spaces from 71 to 78, minor changes to roadway/footpath improvement timescales, & change from Travel Plan being required pre-commencement to pre-occupation of Parcels A, C and D, of planning permission 00503/B/S1 dated 18/04/18 for partial redevelopment of Dukes Meadows playing fields & site of Thames Tradesmen's Clubhouse within wider Dukes Meadows involving: demo of vari... read more

  Received 10 Sep, published by the council 17 Sep 2026 Conditions
• P/2026/1341 Granted

  Land At Prince Regent Road, Hounslow, TW3 1NE

  Variation of condition 2 (approved plans) to allow the change of layouts to all floors of planning permission 00896/B/P1 approved 22/02/2019 for the erection of a six storey building comprising nine flats (two one-bedroom, four two-bedroom and three three-bedroom) and associated car parking, cycle parking and refuse storage.

  Received 5 May, published by the council 26 Jul 2026 Conditions