201 ASH GROVE HAREFIELD MIDDLESEX UB9 6HA

1. 9 Jul 2026

   Received by Hillingdon

2. 7 Aug 2026

   Added to PlanIndex

3. 6 Sep 2026

   Status changed to Approval

   Previously Undecided.

4. Decision

   Awaiting decision

   Decision expected by 3 September 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 58 days over the applications it decided in the last year.

This application is with Hillingdon for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

This page mirrors an entry on the statutory planning register that Hillingdon is required to keep. The published feed for this record does not state which type of application it is, which is common for older entries and for some council systems; the register entry on the council portal will say, alongside the case officer and any consultation dates.

Every planning application follows the same broad path: submission, validation, publicity, then a decision by officers or committee. Our guide to planning application types explains the common types and what each can approve.

• 143 ASH GROVE HAREFIELD UB9 6EZ

  75225/APP/2019/3647 Submitted 8 Nov 2019 169m away

  Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.3 metres, and for which the height of the eaves would be 2.6 metres

  Granted Full applications Extension 6 docs
  Small domestic

• 94 NORTHWOOD ROAD HAREFIELD UB9 6PS

  72555/APP/2026/1142 Submitted 8 May 2026 235m away

  Erection of a single storey extension to the rear, following the demolition of existing rear outrigger. (Amended Description)

  Granted Full applications Extension Demolition 4 docs
  Small domestic

• THE HAREFIELD ACADEMY, LORD ADONIS HOUSE NORTHWOOD WAY HAREFIELD UB9 6ET

  17709/APP/2026/1708 Submitted 8 Jul 2026 287m away

  86% historically approved · decision due ~2 Sep

  Details pursuant to the discharge of Conditions 16 (Road safety audit), 23 (Verification Suds), 26 (Parking plan), 27 (Delivery servicing plan) and 28 (Drop Off Collection Points) of planning permission ref. 17709/APP/2023/2673, dated 08-02-2024 (Demolition of former residential school and erection of academic building (Use Class F1) and ancillary structures including heat pump and substation enclosures, construction of a multi-use games area, revised vehicular access, landscaping, car and cycle parking and associated works.)

  Decided Demolition

• THE HAREFIELD ACADEMY, LORD ADONIS HOUSE NORTHWOOD WAY HAREFIELD UB9 6ET

  17709/APP/2026/1923 Submitted 3 Aug 2026 287m away

  86% historically approved · decision due ~28 Sep

  Details pursuant to the discharge of Conditions 19 (Fire Statement), 22 (Energy Monitoring), 29 (Secure by Design), and 30 (Contaminated Land) of planning permission ref. 17709/APP/2023/2673, dated 08-02-2024 (Demolition of former residential school and erection of academic building (Use Class F1) and ancillary structures including heat pump and substation enclosures, construction of a multi-use games area, revised vehicular access, landscaping, car and cycle parking and associated works.)

  Decided Demolition

• LORD ADONIS HOUSE HAREFIELD ACADEMY NORTHWOOD WAY HAREFIELD UB9 6ET

  17709/APP/2025/3061 Submitted 4 Dec 2025 287m away

  Section 96a application for Non-Material Amendment to planning permission reference 17709/APP/2023/2673, dated 08-02-2024 (Demolition of former residential school and erection of academic building (Use Class F1) and ancillary structures including heat pump and substation enclosures, construction of a multi-use games area, revised vehicular access, landscaping, car and cycle parking and associated works.) to make design amendments.

  Granted Full applications Demolition 10 docs

• LORD ADONIS HOUSE, THE HAREFIELD ACADEMY NORTHWOOD WAY HAREFIELD UB9 6ET

  17709/APP/2026/1124 Submitted 6 May 2026 287m away

  Details pursuant to the discharge of Conditions 17 (Landscape Scheme), 18 (Ecology) and 20 (External Lighting) of planning permission ref. 17709/APP/2023/2673, dated 08-02-2024 (Demolition of former residential school and erection of academic building (Use Class F1) and ancillary structures including heat pump and substation enclosures, construction of a multi-use games area, revised vehicular access, landscaping, car and cycle parking and associated works.)

  Granted Full applications Demolition 41 docs