37 Magnolia Road, Chiswick, London, W4 3QN

1. 20 Nov 2025

   Received by Hounslow

2. 13 Jan 2026

   Decision issued: APPROVED

3. 12 Aug 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

• 37 Magnolia Road, Chiswick, London, W4 3QN

  P/2026/1427 Submitted 12 May 2026 0m away

  Details of condition 3 (Plant noise assessment) submitted pursuant to planning permission P/2025/3505 dated 12/01/2026 for Installation of an air conditioning unit to the side of the house

  Granted Conditions 4 docs

• 35 Magnolia Road, Chiswick, London, W4 3QW

  P/2025/2529 Submitted 15 Aug 2025 25m away

  Erection of single storey rear infill extension and a rear roof extension with two front roof windows to the house.

  Granted Householder Extension Windows or glazing 8 docs
  Small domestic

• 3 Herbert Gardens, Chiswick, London, W4 3RD

  P/2025/2834 Submitted 22 Sep 2025 32m away

  Erection of a single storey wraparound extension, rear roof and outrigger extension and two front roof windows to the house.

  Refused Householder Extension Windows or glazing 9 docs
  Small domestic

• 3 Herbert Gardens, Chiswick, London, W4 3RD

  P/2026/1303 Submitted 30 Apr 2026 32m away

  76% historically approved · decision due ~7 Jul

  Erection of a rear roof extension with two front roof windows and single storey rear and infill extension to the house

  Awaiting decision Householder Extension Windows or glazing 6 docs
  Small domestic

• 3 Copper Tree Mews,Whitehall Park Road,Chiswick,W4 3NB

  P/2026/2029 Submitted 8 Jul 2026 51m away

  Works to trees in a conservation area ; T1 Sycamore to cut back branches to boundary line. T2 - Sycamore to cut back branches back to boundary line.

  Withdrawn Trees 2 docs

• 2 ERNEST GARDENS, CHISWICK, W4 3QU

  P/2023/0829 Submitted 14 Mar 2023 83m away

  Certificate of lawfulness for the erection of a rear roof extension with two front roof windows to the house and insertion of a side window at first floor level.

  Refused Lawful development Extension Windows or glazing 9 docs

• P/2026/2047 Granted

  9 Borough Road, Isleworth, TW7 5DY

  Erection of a single storey rear extension.

  10 Jul 2026 Householder
• P/2026/1858 Granted

  8 CONNAUGHT AVENUE, HOUNSLOW, TW4 5BW

  Erection of single storey front extension to the outbuilding for used as storage, office and a Gym. Following part demolition of the outbuilding.

  23 Jun 2026 Householder
• P/2026/2503 Awaiting decision

  25 Arnold Crescent, Isleworth, TW7 7NS

  Erection of a single storey rear, two storey side extension, and rear roof extension with two front roof windows to the house.

  3 Sep 2026 Householder
• P/2026/1522 Granted

  4 Camborne Way, Hounslow, TW5 0PW

  Erection of a single storey rear extension and reduction in width of the existing side and rear extension.

  20 May 2026 Householder
• P/2026/2024 Granted

  20 Hartland Road, Isleworth, TW7 6RH

  Erection of a rear roof extension with windows to the front of the house.

  8 Jul 2026 Householder