20 Priory Avenue, Chiswick, London, W4 1TY

1. 12 Nov 2025

   Received by Hounslow

2. 26 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 17 Feb 2026

   Decision issued: APPROVED

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 17 February 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.

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.

• 18 PRIORY AVENUE, CHISWICK, LONDON, W4 1TY

  P/2020/3510 Submitted 14 Oct 2020 50 yards away

  Conversion of three self contained flats into two self contained units, one flat and one maisonette, with associated external and internal alterations. Alterations to the front boundary fencing and erection of a new bin store.

  Granted Full applications New dwelling 23 docs
  Domestic

• 18 Priory Avenue, Chiswick, London, W4 1TY

  P/2024/4016 Submitted 27 Nov 2024 50 yards away

  Listed Building Consent - Replacement of front fence with a palisade style fence.

  Refused Heritage and listed buildings 11 docs
  Small domestic

• 18 Priory Avenue, Chiswick, London, W4 1TY

  P/2024/3702 Submitted 6 Nov 2024 50 yards away

  Replacement of front fence with a palisade style fence.

  Refused Householder 11 docs
  Small domestic

• 1 Fairfax Road, Chiswick, London, W4 1EN

  P/2024/2591 Submitted 31 Jul 2024 50 yards away

  Works to three trees at front of property within conservation area. T1 Pittosporum fell to ground level and grind the stump to 300mm below ground level. T2 and T3 Pittosporum reduce by 1 metre.

  Granted Trees 6 docs

• 1 Fairfax Road, Chiswick, London, W4 1EN

  P/2026/0697 Submitted 2 Mar 2026 50 yards away

  Installation of a side roof light to the house with associated matching brickwork repairs and repointing and matching replacement of roof tiles and drainage goods.

  Granted Householder Loft or dormer Roofing 14 docs
  Domestic

• 1 Fairfax Road, Chiswick, London, W4 1EN

  P/2026/0776 Submitted 2 Mar 2026 50 yards away

  Listed Building Consent Application for the installation of a side roof light to the house with associated matching brickwork repairs and repointing and matching replacement of roof tiles and drainage goods, and the installation of internal secondary glazing.

  Granted Heritage and listed buildings Loft or dormer Roofing +1 14 docs

• P/2026/2304 Granted

  18 Clifden Road, Brentford, TW8 0PF

  Erection of a side and rear extensions.

  Received 7 Aug, published by the council 12 Aug 2026 Householder
• P/2026/2804 Awaiting decision

  128 Durham Road, Feltham, TW14 0AE

  Erection of a detached outbuilding in the rear garden following demolition of existing shed.

  Received 2 Oct, published by the council 9 Oct 2026 Householder
• P/2026/2301 Granted

  4 Glebe Street, Chiswick, W4 2BG

  Erection of a front side and rear side infill extensions with alterations to the rear elevation, a rear side first floor infill extension with replacement of windows to the rear elevation and installation of new rooflights to the existing ground floor infill extension of the house

  Received 7 Aug, published by the council 16 Aug 2026 Householder
• P/2026/1167 Granted

  20 Firs Drive, Hounslow, TW5 9TD

  Erection of part one, part two-storey side extension following demolition of existing garage and part one, part two-storey rear extension. Raising of roof ridge, erection of rear roof extensions, and installation of one front roof window.

  Received 15 Apr, published by the council 26 Jul 2026 Householder
• P/2026/2025 Granted

  1 Kneller Gardens, Isleworth, TW7 7NP

  Erection of a single storey rear and first floor side extension incorporating the conversion of the existing garage to a habitable room

  Received 8 Jul, published by the council 26 Jul 2026 Householder