Colnbrook Immigration Removal centre COLNBROOK BY-PASS LONGFORD UB7 0FX

1. 17 Jun 2026

   Received by Hillingdon

2. 26 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 12 August 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 57 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.

• 555 BATH ROAD LONGFORD UB7 0EL

  76907/APP/2022/1472 Submitted 6 May 2022 460m away

  Erection of a single storey rear, plus additional first floor side extension and front porch, conversion of existing loft including rear dormers and internal alterations.

  Refused Full applications Extension Loft or dormer 14 docs
  Small domestic

• 555 BATH ROAD LONGFORD UB7 0EL

  76907/APP/2021/4414 Submitted 1 Dec 2021 460m away

  Erection of a single storey rear, plus additional first floor side extension, conversion of existing loft including rear dormer and internal alterations.

  Refused Full applications Extension Loft or dormer 15 docs
  Small domestic

• 80210/APP/2026/1925 Granted

  33 FLEMMING AVENUE RUISLIP HA4 9LE

  Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.30 metres, and for which the height of the eaves would be 3.00 metres.

  3 Aug 2026 Full applications
• 79068/APP/2026/1422 Granted

  2 COLLEGE DRIVE RUISLIP HA4 8SB

  Variation of Condition 2 (Approved Plans), 3 (Materials) of planning permission ref. 79068/APP/2024/2610, dated 10-02-25 (Erection of a single storey extension to the side, erection of a single storey extension to the rear, following the demolition of existing single storey side extension and garage. Installation of 4 front roof lights and amendments to fenestrations including removal of pebble dash and the installation of an Air Source Heat Pump.) to be amended in accordance with drawing numbers C01,C02,C03 & C04 with amendment of the rear element and Condition 3 to be amended so that the front extension elevation remains brick, with the side and rear elevations to be silicone render with stipple finish to match existing traditional render.

  9 Jun 2026 Full applications
• 78325/APP/2026/1804 Granted

  1 COPSE CLOSE NORTHWOOD HA6 2XG

  Details pursuant to the discharge of Condition 10 (Accessible Housing) of planning permission ref. 78325/APP/2023/2889, dated 19-01-2024 (Erection of a two storey detached dwelling with associated access, parking and amenity space following demolition of existing dwelling.)

  21 Jul 2026 Full applications
• 79711/APP/2026/1801 Granted

  132 WHITETHORN AVENUE YIEWSLEY UB7 8LB

  Change of use from ground floor office to annex

  20 Jul 2026 Full applications
• 4260/APP/2025/2721 Granted

  RUISLIP METHODIST CHURCH ICKENHAM ROAD RUISLIP MIDDLESEX. HA7 7BZ

  Amendments to fenestration to include replacement windows on the front elevation and the insertion of a new fire door on the east side elevation.

  23 Oct 2025 Full applications