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Planning application

101 GROSVENOR CRESCENT HILLINGDON

Granted Hillingdon 8571/APP/2025/2221 Full

Works: Extension Windows or glazing Small domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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

As published by the council, reference 8571/APP/2025/2221

Application record

Reference
8571/APP/2025/2221
Type
Full
Status
Approval
Decision
Permitted
Received
19 Aug 2025
Validated
20 Aug 2025
Decided
17 Oct 2025
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/2026/1299 Refused

    101 GROSVENOR CRESCENT HILLINGDON

    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

    Decided 14 Jul 2026 Full applications
  • 8571/APP/2026/856 Decided

    101 GROSVENOR CRESCENT HILLINGDON

    Conversion of roof to habitable space including a rear dormer.

    Submitted 2 Apr 2026

Timeline

Dates from the published record

  1. 19 Aug 2025

    Received by Hillingdon

  2. 20 Aug 2025

    Validated

    Checked as complete and ready for consideration.

  3. 17 Oct 2025

    Decision issued: Permitted

  4. 12 Aug 2026

    Added to PlanIndex

Documents

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

4 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 grant of permission means

Hillingdon granted permission on 17 October 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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