Planning application
P2026/0686/PRA
Collingwood House, Mercers Road, London N19 4PJ
Proposal
Notification of Prior Approval for the change of use of part of the second floor of existing commercial building (Class E) to residential accommodation to provide 4 self-contained residential units (Class C3) under 'Class MA' of Schedule 2 of the Town and Country Planning (General Permitted Development) Order (GPDO) 2015 (as amended)
As published by the council, reference P2026/0686/PRA
Timeline
Dates from the published record
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13 Mar 2026
Received by Islington
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18 Mar 2026
Validated
Checked as complete and ready for consideration.
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13 May 2026
Decision issued: Prior approval required - approved with Conditions
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25 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About prior approval applications
How this application type works
Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.
Nearby applications
Within 500 metres
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P2021/0587/FUL Granted
Collingwood House, Mercers Road, London, N19 4PJ
Retention of existing air conditioning units with base slab, all associated pipework within existing acoustic enclosures, and proposed installation of canopy over enclosures alongside the South West elevation of Collingwood House and new gates to the street frontage to Mercers Road
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P2023/0362/AOD Granted
457-463 Holloway Road, London, N7 6LJ
Approval of Details Pursuant of Condition 5 (Noise Insulation) of Prior Approval Notice reference P2022/3950/PRA dated 05 January 2023.
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P2025/3123/FUL Withdrawn
465, Holloway Road, London, N7 6BQ
Erection of a 3-storey side extension to create 3no. 2-bed self-contained units with new enclosed bike store spaces at existing undercroft parking
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P2024/3515/S73 Awaiting decision
443 - 445, The National Youth Theatre Of Great Britain, Ground And First Floors Blocks D And E, Holloway Road, London, N7 6LJ
Section 73 application for the variation of condition 2 (approved plans) of Planning Permission Ref: P2019/2469/FUL dated 01/09/2020 which granted full planning permission for a Single storey entrance and studio pavilion with associated landscaping, additional window to the south elevation, and automatic opening vents (AOVs) to windows to comply with fire regulations. The variation seeks to remove the legal covenant in the agreed Section 106 legal agreement, which requires the demolition of the front extension in the event that the NYT vacates the building, sells the leasehold, or makes a formal decision to discontinue the provision of the minimum commitments of the NYT, as secured by the agreement.
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P2024/2314/PRA Granted
The National Youth Theatre Of Great Britain, Ground And First Floors Blocks D And E, 443 - 445 Holloway Road, London, N7 6LJ
Notification of prior approval for the installation of ~39.5kWpe array comprising 92no. Maxeon3 430W Solar PV panels with Solaredge SE40K 40kW Inverter and SolarEdge 950 optimisers, complete with Nicholson Mounting Posts and frames. Array sized to generate approximately 37,000kWh per annum, offsetting approximately 7.2 tonnes CO2 per annum that would otherwise be consumed through grid supplied electricity • Works to existing electrical infrastructure within building to accommodate solar PV array, including new 63A TPN MCCB and submain from existing basement LV Panel Board to rooftop array • Works to improve edge protection around the building to enable safe access for panel maintenance and inspection. • Panels would be sited at least 1m away from roof perimeter and would not be higher than the existing lift motor room being the highest structure, they would not be visible from ground level street view
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P2025/1496/TRE Awaiting decision
19 Mercers Road, London
T1- Sycamore Tree Crown reduction by 15% - 3m of top/ 1.5m of either side due to hanging branches
Other prior approval applications
In Islington
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P2026/1390/PRA Granted
5, Elthorne Road, London, N19 4AB
Notification of Prior Approval for the change of use of the whole of the building in existing commercial use (Class E) to residential accommodation to provide 9x self-contained residential units (Class C3) under 'Class MA' of Schedule 2 of the Town and Country Planning (General Permitted Development) Order (GPDO) 2015 (as amended)
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P2026/1934/PRA Awaiting decision
6 Farringdon Road, London, EC1M 3HE
Notification of Prior Approval for the installation of roof-mounted solar photovoltaics (PV) panels and associated works under Schedule 2, Part 14, Class J of the Town and Country Planning (General Permitted Development) Order 2015 (as amended)
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P2026/1066/PRA Granted
144 Seven Sisters Road, London, N7 7NS
Notification of Prior Approval for the change of use of the first floor from Class E (retail) to 1 x 1-bed and 1 x 2-bed flat (Class C3) under Class G of the Town and Country Planning (General Permitted Development) Order (GPDO) 2015 (as amended)
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P2026/1242/PRA Granted
92 Tollington Way, London, N7 6RY
Notification of Prior Approval for the change of use of ground floor of commercial unit (Class E) to residential accommodation to provide 1 x studio residential unit (Class C3) under 'Class MA' of Schedule 2, Part 3 of the Town and Country Planning (General Permitted Development) Order (GPDO) 2015 (as amended)
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P2026/1732/PRA Awaiting decision
140 Seven Sisters Road, London, N7 7NS
Prior Approval Application under Schedule 2, Part 20 Class AB of The Town and Country Planning (General Permitted Development) (England) Order 2015 for an upward extension of existing building by one additional storey to create 3 new flats.