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Planning application

18 ADELPHI CRESCENT HAYES UB4 8LZ

Refused Hillingdon 72688/APP/2025/2960 Full

Works: New dwelling Domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Conversion of a single dwelling house into 2no. self contained Flats.

As published by the council, reference 72688/APP/2025/2960

Application record

Reference
72688/APP/2025/2960
Type
Full
Status
Refusal
Decision
Refused
Received
24 Nov 2025
Validated
24 Nov 2025
Decided
19 Jan 2026
Ward
CHARVILLE 2022
Postcode
UB4 8LZ

Timeline

Dates from the published record

  1. 24 Nov 2025

    Received by Hillingdon

  2. 19 Jan 2026

    Decision issued: Refused

  3. 12 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

21 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 19 ADELPHI CRESCENT HAYES UB4 8LZ

    74902/APP/2019/3302 Submitted 9 Oct 2019 0m away

    Single storey rear extension and conversion of roof space to habitable use to 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 11 docs
    Small domestic

  • 21 ADELPHI CRESCENT HAYES UB4 8LZ

    78333/APP/2026/240 Submitted 28 Jan 2026 0m away

    non-material amendment to planning permission ref. 78333/APP/2024/723, dated 05/06/2024 (Erection of a single storey detached building to the rear for use as a residential annexe) to add a Shower and WC

    Granted Full applications 7 docs
    Small domestic

  • 21 ADELPHI CRESCENT HAYES UB4 8LZ

    78333/APP/2025/2994 Submitted 26 Nov 2025 0m away

    86% historically approved · decision due ~21 Jan

    Non-material amendment to planning permission ref. 78333/APP/2024/723, dated 05-06-24 (Erection of a single storey detached building to the rear for use as a residential annexe) to increase the size and number of outbuilding windows

    Awaiting decision Windows or glazing
    Small domestic

  • 85 ADELPHI CRESCENT HAYES UB4 8NB

    79531/APP/2025/2248 Submitted 20 Aug 2025 101m away

    86% historically approved · decision due ~15 Oct

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

    Awaiting decision Extension Loft or dormer +1

  • 17 DORSET AVENUE HAYES UB4 8NR

    79813/APP/2025/3031 Submitted 2 Dec 2025 106m away

    Conversion of roof space to habitable use to include a rear dormer, Hip to gable extension, 3x front roof lights, and erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development).

    Granted Full applications Extension Loft or dormer 5 docs

  • 17 DORSET AVENUE HAYES UB4 8NR

    79813/APP/2025/3032 Submitted 2 Dec 2025 106m away

    Erection of front porch, and part single storey part double storey rear extension.

    Granted Full applications Extension 6 docs
    Small domestic

In Hillingdon

  • 80149/APP/2026/1572 Granted

    14 LADYGATE LANE RUISLIP HA4 7QU

    Erection of single storey side and rear wraparound extension, a front porch, amendments to fenestration and roof lights to the front, side and rear sloped roof, following the removal of the rear chimney and garden shed. (Description Amended)

    24 Jun 2026 Full applications
  • 79879/APP/2026/1749 Granted

    21 NORTH AVENUE HAYES UB3 2JE

    Erection of part single storey, part double storey rear extension

    13 Jul 2026 Full applications
  • 74889/APP/2026/1363 Granted

    32 MANOR ROAD HAYES UB3 2DG

    Erection of a first-floor rear extension.

    1 Jun 2026 Full applications
  • 53073/APP/2026/1645 Granted

    50 MINET DRIVE HAYES UB3 3JW

    Erection of a part single storey, part two storey extension to the rear

    1 Jul 2026 Full applications
  • 80172/APP/2026/1717 Refused

    6 SQUIRRELS TRADING ESTATE VIVEASH CLOSE HAYES UB3 4RZ

    Change of use from Class B8 to Class E retail

    8 Jul 2026 Full applications