Planning application
28 Copthall Drive London NW7 2NB
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Use of rear garden annexe for use as art club (Retrospective Application)
As published by the council, reference 23/2770/RCU
Application record
- Reference
- 23/2770/RCU
- Type
- Retention/Continued Use
- Status
- Refused
- Decision
- Refuse
- Received
- 26 Jun 2023
- Validated
- 26 Jun 2023
- Decided
- 26 Jun 2024
- Ward
- Mill Hill
- Decision by
- Delegated Decision
- Postcode
- NW7 2NB
Timeline
Dates from the published record
-
26 Jun 2023
Received by Barnet
-
26 Jun 2024
Decision issued: Refuse
-
7 Sep 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in Northampton
48 applications on PlanIndex · across 9 councils · 83% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
150 documents on file for this application
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Open the documentsWhat this refusal means
Barnet 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 amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
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13 Copthall Drive London NW7 2ND
77% historically approved · decision due ~12 Mar
Part single, part two storey side and rear extension. Crown roof extension including side and rear dormer and 2no. front and side facing rooflights
Awaiting decision Householder Extension Loft or dormer 10 docsDomestic -
3 Hillside Grove London NW7 2LS
95% historically approved · decision due ~24 Nov
Variation of condition 1 (Approved Plans) and 3 (Materials) pursuant to planning permission 24/3700/HSE dated 18/11/24 for `Part single, part two storey side and rear extension with 2no. rooflights. Conversion of the garage into habitable room, insertion of window to replace the garage door.` Variation to external finishing materials of front, rear and roof'
Awaiting decision Conditions Extension Loft or dormer +1 5 docs -
3 Hillside Grove London NW7 2LS
Part proposed and part retrospective application for: Part single, part two storey side and rear extension, conversion of the garage into habitable room, insertion of window to replace the garage door (retrospective). Proposed render to the front and rear elevation (proposed)
Granted Amendments Extension Windows or glazing 15 docs -
10 Holmdene Avenue London NW7 2NA
79% historically approved · decision due ~30 Oct
Variation of condition 1 (Approved Plans) of planning permission reference 26/0205/S73 (variation of 25/2451/HSE) dated 17/03/26 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear'. Variation to include a 1.25m extension to the approved front porch, increasing the height of the dummy pitched roof of the garage and lowering the patio with new steps
Awaiting decision Extension Loft or dormer +2Small domestic -
10 Holmdene Avenue London NW7 2NA
95% historically approved · decision due ~17 Mar
Variation of condition 1 (Approved plans) of planning permission 25/2451/HSE dated 11/08/2025 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear' Variation to include increasing the depth of proposed rear extension
Awaiting decision Conditions Extension Loft or dormer +2 5 docsSmall domestic -
12 Hillside Grove London NW7 2LR
Roof extension involving hip to gable, rear dormer window and 3no front facing rooflights and new side gable window. Conversion of existing garage into habitable space, replacement of existing garage door with window
Decided Lawful development Extension Loft or dormer +1 8 docs
Other amendment applications
In Barnet
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26/3021/NMA Awaiting decision
Granville Road Estate Granville Road London NW2 2LD
Non-material amendments to appeal reference APP/N5090/W/15/3132049 (planning reference F/04474/14 dated 08/08/2016 for 'Demolition of Beech Court, garages and other ancillary buildings and the erection of new buildings (including an extension to Nant Court) between two and six storeys in height (with additional basement levels in places) to provide 132 new dwellings in total (all use class C3), comprising 74 flats and 58 houses, together with associated reconfiguration of the site access arrangements and alterations to parking, landscaping, refuse, recycling and other storage facilities and the provision of new play and communal amenity space' Amendments include approved brick faced concrete retaining wall with coping stones and timber fence be replaced with a steel post and precast concrete panel 'King Post' retaining wall system
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26/3009/NMA Awaiting decision
45 Corringham Road London NW11 7BS
Non material amendment to planning permission 25/5034/HSE dated 07/05/2026 for 'First and second storey side extension with gabled roof end . Alterations to existing ground floor side extension. New 2 nos. front rooflights. New rear dormer window to replace existing dormer. Alterations to rear facade with new double glazed windows and doors and removal of rear bay window. Changes to fenestration. (Amended Description and Plans)'. Amendments includes changes to window openings
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26/2959/NMA Awaiting decision
Donoghue Business Park Claremont Road London NW2 1RR
Application pursuant to Section 96A of the Town and Country Planning Act for non-material amendments to Reserved Matters Approval 22/5238/RMA dated 05/05/2023 (as amended by 23/4874/NMA dated 16/01/2024, 24/0328/NMA dated 15/03/2024, 25/0393/NMA dated 25/09/2025, and 26/2935/NMA dated 28/08/2026) for the development of Plots 31, 36 & 61 within the Phase 3B sub-phase pursuant to Section 73 planning permission F/04687/13 dated 23/07/2014 (as amended) for the comprehensive mixed-use redevelopment of the Brent Cross Cricklewood Regeneration Area. Amendments are sought to the requirements of Condition 12 (Mechanical Ventilation & Heat Recovery).
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26/2935/NMA Awaiting decision
Donoghue Business Park Claremont Road London NW2 1RR
Application pursuant to Section 96A of the Town and Country Planning Act for non-material amendments to Reserved Matters Approval 22/5238/RMA dated 05/05/2023 (as amended by 23/4874/NMA dated 16/01/2024, 24/0328/NMA dated 15/03/2024, and 25/0393/NMA dated 25/09/2025) for the development of Plots 31, 36 & 61 within the Phase 3B sub-phase pursuant to Section 73 planning permission F/04687/13 dated 23/07/2014 (as amended) for the comprehensive mixed-use redevelopment of the Brent Cross Cricklewood Regeneration Area. Amendments are sought to the requirements of Condition 17 (Emergency Diesel Generator).
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26/2893/NMA Awaiting decision
52 Hodford Road London NW11 8NJ
Non material amendment to planning permission 25/2474/HSE dated 17/06/2025 for 'Part single, part two storey side and rear extension. Front extension and conversion of the existing garage into habitable room, including insertion of window and door to replace garage door. Replacement of existing windows. Roof extension involving rear dormer window.'. Amendments includes changing material of proposed extension to traditional brick red and reconciling the window dimensions, to balance the rear elevation to have equal sized windows