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Planning application

101 Gonville Crescent Northolt UB5 4SJ

Refused Old Oak and Park Royal Development Corporation 262081HH Householder

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

Proposal

Change of use of the existing private garden gym/outbuilding incidental to the main dwellinghouse into ancillary habitable accommodation (granny annexe) for use in connection with the main dwellinghouse (Use Class C3) (Retrospective Application)

As published by the council, reference 262081HH

Application record

Reference
262081HH
Type
Householder
Status
Refused
Decision
Refused
Received
20 May 2026
Validated
20 May 2026
Decided
18 Aug 2026
Ward
Northolt Mandeville
Decision by
Delegated Decision
Postcode
UB5 4SJ

Timeline

Dates from the published record

  1. 20 May 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 27 Jul 2026

    Added to PlanIndex

  3. 10 Aug 2026

    Status changed to Awaiting decision

    Previously Pending Consideration.

  4. 18 Aug 2026

    Decision issued: Refused

Who's behind it

Company information only, from the register and Companies House

March In Design Agent, a design practice

13 applications on PlanIndex · across 6 councils · 69% granted

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Documents

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

11 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.

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What this refusal means

Old Oak and Park Royal Development Corporation 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 2 Gonville Crescent Northolt UB5 4SJ

    262791PALHE Submitted 16 Jul 2026 50 yards away

    Single storey (max. 6.0m deep and 3.40m high) side/rear extension (42 Days Prior Approval Notification Process).

    Granted Prior approval Extension 6 docs
    Small domestic
  • 2 Gonville Crescent Northolt UB5 4SJ

    262005PALHE Submitted 14 May 2026 50 yards away

    Single storey (Max 6m deep and Max 3.40m high) rear extension (42 days Prior Notification Process)

    Refused Prior approval Extension 7 docs
    Small domestic
  • 2 Gonville Crescent Northolt UB5 4SJ

    261987CPL Submitted 13 May 2026 50 yards away

    Alteration of roof from hip to gable end; rear roof extension and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Granted Lawful development Extension Loft or dormer 6 docs
  • 65 Gonville Crescent Northolt UB5 4SJ

    262724CPL Submitted 9 Jul 2026 50 yards away

    Front porch extension (following demolition of existing front porch); alteration of roof from hip to gable end; rear roof extension incorporating Juliet balcony; installation of two rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)

    Granted Lawful development Extension Loft or dormer +1 9 docs
    Small domestic
  • 65 Gonville Crescent Northolt UB5 4SJ

    262699PALHE Submitted 8 Jul 2026 50 yards away

    Single storey rear extension (max 5.7m deep and max 4m high) (following demolition of rear extension) (42 Days Prior Approval Notification Process)

    Granted Prior approval Extension Demolition 8 docs
    Small domestic
  • 101 Gonville Crescent Northolt UB5 4SJ

    262081HH Submitted 20 May 2026 50 yards away

    Change of use of the existing private garden gym/outbuilding incidental to the main dwellinghouse into ancillary habitable accommodation (granny annexe) for use in connection with the main dwellinghouse (Use Class C3) (Retrospective Application)

    Refused Householder 11 docs
    Small domestic

In Old Oak and Park Royal Development Corporation

  • 260566HH Refused

    1 Benham Road Hanwell W7 1AQ

    Part single part two storey rear extension; insertion of additional window to side elevation first floor level; and front porch extension (following demolition of existing conservatory)

    Received 11 Feb, published by the council 3 Aug 2026 Householder
  • 262878HH Granted

    167 Murray Road Ealing W5 4DD

    Single storey rear extension (following demolition of existing rear addition); removal of chimney breast; and alterations to the fenestration

    Received 23 Jul, published by the council 30 Aug 2026 Householder
  • 262906HH Granted

    6 Milford Road West Ealing W13 9HZ

    Single storey rear extension (following demolition of existing rear addition)

    Received 27 Jul, published by the council 10 Sep 2026 Householder
  • 262954HH Refused

    6 Gosling Close Greenford UB6 9UE

    Single storey extension and internal alterations

    Received 30 Jul, published by the council 10 Sep 2026 Householder
  • 262963HH Granted

    14 Winchester Street Acton W3 8PA

    Single storey side/rear wraparound extension

    Received 31 Jul, published by the council 21 Sep 2026 Householder