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Planning application

101 GROSVENOR CRESCENT HILLINGDON

Refused Hillingdon 8571/APP/2026/1299 Full

Works: Loft or dormer Demolition

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

Proposal

Conversion of roof space to habitable use to include a rear dormer, 3 x front roof lights, conversion of roof from hip to gable end, following the partial demolition of existing roof

As published by the council, reference 8571/APP/2026/1299

Application record

Reference
8571/APP/2026/1299
Type
Full
Status
Refusal
Decision
Refused
Received
25 May 2026
Validated
25 May 2026
Decided
14 Jul 2026
Ward
HILLINGDON EAST 2022

Site history

Applications at this address on the Hillingdon register

This site has had 4 applications since 2025: 1 approved, 1 refused.

  • 8571/APP/2026/1584 Awaiting decision

    101 GROSVENOR CRESCENT HILLINGDON

    Erection of part double storey, part single storey side/ rear extension

    Submitted 25 Jun 2026
  • 8571/APP/2026/856 Decided

    101 GROSVENOR CRESCENT HILLINGDON

    Conversion of roof to habitable space including a rear dormer.

    Submitted 2 Apr 2026
  • 8571/APP/2025/2221 Granted

    101 GROSVENOR CRESCENT HILLINGDON

    Erection of a single storey rear extension, and conversion of garage including replacement of garage door with window.

    Decided 17 Oct 2025 Full applications

Timeline

Dates from the published record

  1. 25 May 2026

    Received by Hillingdon

  2. 14 Jul 2026

    Decision issued: Refused

  3. 26 Jul 2026

    Added to PlanIndex

Documents

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

10 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 this refusal means

Hillingdon refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About full applications

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.

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