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Planning application

121 ADELPHI CRESCENT HAYES UB4 8NA

Awaiting decision Hillingdon 76456/APP/2026/2093

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Application for a Certificate of Lawfulness for Use of a single dwellinghouse (Use Class C3) as a House in Multiple Occupation (HMO) (Use Class C4) (Application for a Certificate of Lawful Development for an Existing Use)

As published by the council, reference 76456/APP/2026/2093

Application record

Reference
76456/APP/2026/2093
Status
Undecided
Received
25 Aug 2026
Validated
25 Aug 2026
Postcode
UB4 8NA

Site history

Applications at this address on the Hillingdon register

This site has had 2 applications since 2021: 1 approved, 0 refused.

  • 76456/APP/2021/2023 Granted

    121 ADELPHI CRESCENT HAYES UB4 8NA

    Single storey rear extension

    Decided 14 Jul 2021 Full applications

Timeline

Dates from the published record

  1. 25 Aug 2026

    Received by Hillingdon

  2. 8 Sep 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 20 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.

What happens while it is decided

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.

About this record

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.

Nearby applications

Within 0.3 miles

  • 121 ADELPHI CRESCENT HAYES UB4 8NA

    76456/APP/2021/2023 Submitted 19 May 2021 50 yards away

    Single storey rear extension

    Granted Full applications Extension 7 docs
    Small domestic

  • 84 ADELPHI CRESCENT HAYES UB4 8NA

    68846/APP/2024/3189 Submitted 4 Dec 2024 50 yards away

    Conversion of roof space to habitable use to include a rear dormer with juiliette balcony, 2 front roof lights, conversion of roof space from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development).

    Granted Full applications Loft or dormer Windows or glazing 5 docs

  • 301 LANSBURY DRIVE HAYES UB4 8RZ

    73850/APP/2023/333 Submitted 3 Feb 2023 50 yards away

    Retention of a front porch and canopy structure (Retrospective application)

    Refused Full applications Extension 11 docs
    Small domestic

  • 293 LANSBURY DRIVE HAYES UB4 8RZ

    15824/APP/2018/2009 Submitted 31 May 2018 50 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 3.2 metres, and for which the height of the eaves would be 3 metres

    Granted Full applications Extension 13 docs
    Small domestic

  • 301 LANSBURY DRIVE HAYES UB4 8RZ

    73850/APP/2021/2559 Submitted 28 Jun 2021 50 yards away

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

    Granted Full applications Loft or dormer Windows or glazing 7 docs

  • 4 KENMORE CRESCENT HAYES UB4 8NU

    80120/APP/2026/1424 Submitted 8 Jun 2026 100 yards away

    Erection of a single storey wrap around extension to the front, side and rear

    Granted Full applications Extension 5 docs
    Small domestic