21 HEATHFIELD GARDENS, CHISWICK, LONDON, W4 4JU

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

• P/2026/1692 Granted

  21 Heathfield Gardens, Chiswick, London, W4 4JU

  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.

  Decided 4 Sep 2026 Conditions
• 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

1. 22 Dec 2022

   Received by Hounslow

2. 25 Jan 2023

   Validated

   Checked as complete and ready for consideration.

3. 20 Mar 2023

   Decision issued: REFUSED PLANNING PERMISSION

4. 26 Jul 2026

   Added to PlanIndex

Hounslow refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

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

  P/2026/1692 Submitted 8 Jun 2026 50 yards away

  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.

  Granted Conditions Extension Demolition 6 docs
  Small 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/2026/2623 Awaiting decision

  8 Lonsdale Road,Chiswick,W4 1ND

  Installation of external condenser at first floor level.

  Received 15 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2125 Granted

  36 Midsummer Avenue, Hounslow, TW4 5BB

  Erection of a single storey rear extension and a single storey side extension following the demolition of the existing side garage.

  Received 21 Jul, published by the council 30 Jul 2026 Householder
• P/2026/2615 Awaiting decision

  48 Meadow Waye, Hounslow, TW5 9EZ

  Erection of a part first floor rear extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2619 Awaiting decision

  12 Letchworth Avenue, Feltham, TW14 9RY

  Erection of a single storey rear extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder
• P/2026/2600 Awaiting decision

  310 Lionel Road North, Brentford, TW8 9QX

  Erection of a rear roof extension.

  Received 14 Sep, published by the council 17 Sep 2026 Householder