27 Arnold Crescent, Isleworth, TW7 7NS

1. 2 Oct 2024

   Received by Hounslow

2. 27 Nov 2024

   Decision issued: REFUSED

3. 16 Aug 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.

• 25 Arnold Crescent, Isleworth, TW7 7NS

  P/2026/2503 Submitted 3 Sep 2026 50 yards away

  75% historically approved · decision due ~29 Oct

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

  Awaiting decision Householder Extension Windows or glazing 11 docs
  Small domestic

• 23 ARNOLD CRESCENT, ISLEWORTH, TW7 7NS

  P/2023/0066 Submitted 3 Jan 2023 50 yards away

  Certificate of Lawfulness for erection of a rear roof extension with hip to gable conversion and front roof windows to the house

  Granted Lawful development Extension Loft or dormer +1 10 docs

• 23 ARNOLD CRESCENT, ISLEWORTH, TW7 7NS

  P/2023/0064 Submitted 3 Jan 2023 50 yards away

  Erection of a part single, part two storey rear extension and two storey side extension following the demolition of the existing garage

  Granted Householder Extension Demolition 16 docs
  Domestic

• 212 WHITTON DENE, ISLEWORTH, TW7 7LU

  P/2021/2457 Submitted 17 Jun 2021 50 yards away

  Erection of a first floor side extension and a single storey rear extension.

  Granted Householder Extension 4 docs
  Small domestic

• 210 Whitton Dene, Isleworth, TW7 7LU

  P/2026/2150 Submitted 22 Jul 2026 50 yards away

  75% historically approved · decision due ~29 Oct

  Erection of a single storey detached outbuilding.

  Awaiting decision Householder 6 docs
  Small domestic

• 36 Arnold Crescent, Isleworth, TW7 7NT

  P/2025/2813 Submitted 18 Sep 2025 50 yards away

  Retrospective application for a single storey rear extension to the house

  Granted Householder Extension 9 docs
  Small domestic

• 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