1 WELWYN WAY HAYES MIDDX UB4 8DX

1. 7 Sep 2026

   Received by Hillingdon

2. 16 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 2 November 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.

• 82 DERWENT DRIVE HAYES UB4 8DU

  73306/APP/2021/1925 Submitted 12 May 2021 90m away

  Removal of existing and erection of a single storey detached outbuilding at rear of the garden for use as storage/workshop

  Granted Full applications 6 docs
  Small domestic

• 25 PARK LANE HAYES MIDDLESEX UB4 8AB

  60461/APP/2023/1166 Submitted 20 Apr 2023 156m away

  Conversion of roof space to habitable use to include a rear dormer with a hip to gable extension, gable end window, 3 front roof lights and removal of chimney (Application for a Certificate of Lawful Development for a Proposed Development)

  Granted Full applications Extension Loft or dormer +1 6 docs

• 70 PARK LANE HAYES UB4 8AB

  79914/APP/2026/345 Submitted 10 Feb 2026 156m away

  Erection of a dwellinghouse with associated parking and bin storage, following demolition of garage.

  Granted Full applications Demolition 7 docs
  Domestic

• 20 FROGMORE GARDENS HAYES MIDDLESEX UB4 8AN

  76585/APP/2026/155 Submitted 19 Jan 2026 173m away

  Conversion of roof space to habitable use to include hip to gable extension, rear dormer, 3 x front roof lights, gable end window (Application for a Lawful Development for a Proposed Development)

  Granted Full applications Extension Loft or dormer +1 9 docs

• 20 FROGMORE GARDENS HAYES MIDDLESEX UB4 8AN

  76585/APP/2026/156 Submitted 19 Jan 2026 173m away

  Erection of single storey rear extension, following the demolition of the existing garage.

  Granted Full applications Extension Demolition 10 docs
  Small domestic

• 94 PARK LANE HAYES UB4 8AE

  73894/APP/2018/2191 Submitted 13 Jun 2018 218m 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 3.355 metres, and for which the height of the eaves would be 3 metres

  Refused Full applications Extension 6 docs
  Small domestic