Planning application
101 Gonville Crescent Northolt UB5 4SJ
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
-
20 May 2026
Received by Ealing
-
25 Jul 2026
Added to PlanIndex
-
9 Aug 2026
Status changed to Awaiting decision
Previously Pending Consideration.
-
18 Aug 2026
Decision issued: Refused
Related applications
Cases linked to this one on the register
- Enforcement: 26EN0187 (Notice Issued)
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
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
11 documents on file for this application
- OFFICERS REPORT
- DECISION NOTICE
- SITE NOTICE MAP
- NEIGHBOUR SITE NOTICE
- APPLICATION FORM REDACTED
- LOCATION PLAN
- SITE PLAN
- EXISTING OUTBUILDING
- PROPOSED OUTBUILDING
- DESIGN AND ACCESS STATEMENT
- FORM 4 - REASONABLE EXCEPTION STATEMENT
Trade members open them from here.
Open the documentsWhat this refusal means
Ealing 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 500 metres
-
2 Gonville Crescent Northolt UB5 4SJ
Single storey (max. 6.0m deep and 3.40m high) side/rear extension (42 Days Prior Approval Notification Process).
Granted Prior approval Extension 6 docsSmall domestic -
2 Gonville Crescent Northolt UB5 4SJ
Single storey (Max 6m deep and Max 3.40m high) rear extension (42 days Prior Notification Process)
Refused Prior approval Extension 7 docsSmall domestic -
2 Gonville Crescent Northolt UB5 4SJ
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
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 docsSmall domestic -
65 Gonville Crescent Northolt UB5 4SJ
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 docsSmall domestic -
101 Gonville Crescent Northolt UB5 4SJ
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 docsSmall domestic
Other householder applications
In Ealing
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260841HH Granted
9 Brentside Close West Ealing W13 0BD
Part single; part two storey side extension; single storey rear extension; insertion of additional windows to rear elevation first floor level; front porch extension; alterations to fenestration (following partial demolition of existing rear addition)
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261692HH Granted
24 Woodstock Avenue West Ealing W13 9UG
Single storey rear extension (Following demolition of existing single storey rear); enlargement of existing first floor rear balcony, removal of balcony canopy; alteration to rear fenestration
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262145HH Granted
58 Wood End Gardens Northolt UB5 4QL
Conversion of existing outbuilding to Lounge/Gym and shower room with associated external alterations.
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261138HH Granted
19 The Common Ealing W5 3TR
Erection of a single storey rear extension, a front porch extension and a single storey rear outbuilding (following the demolition of existing rear garage), replacement of the existing white uPVC windows with double-glazed composite windows, erection of a brick boundary wall to the front and side boundary, and replacement of the existing side gate with a timber sliding gate
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261769HH Granted
5 Lammas Park Gardens Ealing W5 5HZ
Single storey rear extension with parapet roof and installation roof lantern (following demolition of existing conservatory); restoration of brickwork to front elevation; replacement of windows; alterations to fenestrations front, side and rear; rebuild existing parapet wall at roof level