393 HIGH STREET HARLINGTON UB3 5DH

1. 15 Jan 2026

   Received by Hillingdon

2. 26 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 12 March 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hillingdon took a median of 57 days over the applications it decided in the last year.

This application is with Hillingdon for determination, against a statutory target of eight weeks. Over the last year Hillingdon decided full applications in a median of 59 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 316-318 HIGH STREET HARLINGTON UB3 5DU

  42416/APP/2026/17 Submitted 5 Jan 2026 100 yards away

  The continued use of the property as a 6-bedroom C4 HMO for up to 6 persons (Application for a Certificate of Lawful Development for an Existing Use).

  Granted Full applications 10 docs

• 316-318 HIGH STREET HARLINGTON UB3 5DU

  42416/APP/2025/3223 Submitted 19 Dec 2025 100 yards away

  Single storey rear infill extension, first floor rear extension, rear dormer, front roof lights, amendments to rear fenestrations, and removal of rear external staircase.

  Granted Full applications Extension Loft or dormer 12 docs
  Small domestic

• 34-36 WEST END LANE HARLINGTON UB3 5LT

  80121/APP/2026/1426 Submitted 9 Jun 2026 150 yards away

  Erection of a single-storey rear extension to ground floor flat and rear dormer extension with front roof lights for upper flat

  Refused Full applications Extension Loft or dormer 4 docs
  Small domestic

• 1 & 3 GILPIN WAY HARLINGTON UB3 5LZ

  72885/APP/2026/2151 Submitted 4 Sep 2026 200 yards away

  87% historically approved · decision due ~30 Oct

  Erection of 2 single storey garages to rear (Renewal of 72885/APP/2023/2387 and allowed at appeal APP/R5510/W/20/3250559)

  Awaiting decision Full applications 6 docs
  Small domestic

• 31 MANOR LANE HARLINGTON UB3 5EG

  74228/APP/2021/2424 Submitted 16 Jun 2021 300 yards away

  Conversion of roofspace to habitable use involving raising of ridge height and a front and a rear dormer

  Granted Full applications Loft or dormer Roofing 14 docs

• 3 THE CRESCENT HARLINGTON MIDDLESEX UB3 5NA

  75461/APP/2023/476 Submitted 20 Feb 2023 300 yards away

  Formation of vehicle crossover, installation of a dropped kerb and associated alterations.

  Granted Full applications 8 docs

• 16034/APP/2026/217 Awaiting decision

  ROSEDALE COLLEGE WOOD END GREEN ROAD HAYES UB3 2SE

  Details pursuant to the discharge of Condition 27 (Fire Strategy) of planning permission ref. 16034/APP/2023/2812, dated 10-01-2025 for 'Redevelopment of the Rosedale College site to provide improved teaching and sports facilities. Proposed works to include demolition and renovation of existing buildings, the erection of 2 new buildings, a plant room, social and dining canopies, multi-use games areas, sports fields and football pitches, new parking area and provision of associated infrastructure. Pupil number to remain unchanged).'

  Received 26 Jan, published by the council 26 Jul 2026 Full applications
• 3638/APP/2026/1538 Refused

  FORMER REGAL CINEMA 233 HIGH STREET UXBRIDGE UB8 1LD

  Change of use of existing nightclub (Sui Generis) to a banqueting suite (Sui Generis) and development of a hotel (Use Class C1) including the change of use of existing gymnasium (Use Class E) and associated landscaping, car, and cycle spaces (Part retrospective).

  Received 22 Jun, published by the council 3 Sep 2026 Full applications
• 80157/APP/2026/1606 Awaiting decision

  9 & 11 PINKWELL LANE HAYES UB3 1PQ

  Joint application for a single storey rear & front extension. Followed by demolition of existing rear conservatory & sheds.

  Received 29 Jun, published by the council 23 Aug 2026 Full applications
• 76676/APP/2026/2023 Awaiting decision

  87 NORTH VIEW EASTCOTE HA5 1PX

  Erection of a single storey wrap around side and rear extension

  Received 13 Aug, published by the council 3 Sep 2026 Full applications
• 22901/APP/2026/2013 Awaiting decision

  THE RANCHER RICKMANSWORTH ROAD HAREFIELD UB9 6JX

  Erection of single storey front infill and side extension

  Received 12 Aug, published by the council 3 Sep 2026 Full applications