140 GROSVENOR CRESCENT UXBRIDGE UB10 9EY

1. 20 Aug 2026

   Received by Hillingdon

2. 19 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 15 October 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's median decision took 57 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Hillingdon's portal will say. Our guide explains the common types.

• 2 WOODCROFT CRESCENT HILLINGDON UB10 9JA

  75874/APP/2026/836 Submitted 30 Mar 2026 100 yards away

  Non-material amendment to planning permission ref. 75874/APP/2024/3369, dated 05-03-2025 (Erection of a part single storey, part two storey extension to the the side and rear. Erection of a detached outbuilding.) to amend fenestration, add roof lights and add render to exterior walls.

  Refused Full applications Extension Loft or dormer +1 5 docs
  Small domestic

• 2 WOODCROFT CRESCENT HILLINGDON UB10 9JA

  75874/APP/2025/2358 Submitted 10 Sep 2025 100 yards away

  Conversion of roof space to habitable use to include a rear dormer, 2x front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)

  Withdrawn Full applications Loft or dormer 6 docs

• 2 WOODCROFT CRESCENT HILLINGDON UB10 9JA

  75874/APP/2025/3213 Submitted 19 Dec 2025 100 yards away

  Erection of wraparound extension with two storey side extension, part single storey, part double storey rear extension, conversion of roof space to habitable use to include hip to gable end and rear dormer, all following the demolition of the existing rear conservatory (amended proposed drawings)

  Withdrawn Full applications Extension Loft or dormer +1 8 docs
  Small domestic

• 9 LEYBOURNE ROAD HILLINGDON UB10 9HB

  73885/APP/2018/2156 Submitted 11 Jun 2018 150 yards away

  Single storey rear extension and conversion of roofspace to habitable use to a include a rear dormer, 2 front rooflights, and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)

  Granted Full applications Extension Loft or dormer 14 docs
  Small domestic

• 168 GROSVENOR CRESCENT UXBRIDGE UB10 9EZ

  80174/APP/2026/1727 Submitted 9 Jul 2026 150 yards away

  Erection of a Single Storey Rear Extension

  Granted Extension
  Small domestic

• 58 MERTON AVENUE HILLINGDON MIDDX UB10 9DL

  62748/APP/2021/2617 Submitted 1 Jul 2021 200 yards 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 3.4 metres, and for which the height of the eaves would be 3 metres

  Granted Full applications Extension 6 docs
  Small domestic