Planning application
P2026/0537/LBC
Ground Floor And Basement Maisonette, 21 - 22 Canonbury Square, London, N1 2AL
Proposal
Removal of existing spiral staircase and installation of new straight staircase to the garden. Internal alterations to the bathrooms, kitchen replacement and removal of wardrobes and installation of new wardrobes. (Full application P2026/0534/FUL also submitted)
As published by the council, reference P2026/0537/LBC
Timeline
Dates from the published record
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25 Feb 2026
Received by Islington
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20 Mar 2026
Validated
Checked as complete and ready for consideration.
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8 Jul 2026
Decision issued: Approve 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 heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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P2026/1257/TRE Granted
Ground Floor And Basement Maisonette, 21 - 22 Canonbury Square, London, N1 2AL
Proposed works comprise: -Crown lifting to approximately 5 metres above ground level to provide improved clearance beneath the canopy and enhance usability of the garden space. -Crown reduction by approximately 3 metres from the outer canopy extremities to reduce overall height and lateral spread while maintaining the natural form and balanced appearance of the trees. -Removal of any dead, diseased, damaged, or crossing branches as part of good arboricultural management. All works to be carried out in accordance with BS3998:2010 – Tree Work Recommendations.
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P2026/0534/FUL Granted
Ground Floor And Basement Maisonette, 21 - 22 Canonbury Square, London, N1 2AL
Removal of existing spiral staircase and installation of new straight staircase to the garden. Internal alterations to the bathrooms, kitchen replacement and removal of wardrobes and installation of new wardrobes (Listed Building Consent P2026/0537/LBC also submitted)
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P2026/0763/TRE Awaiting decision
21 - 22, Ground Floor And Basement Maisonette, Canonbury Square, London, N1 2AL
T1 & T2 – Lime (Tilia sp.) Crown reduction by approximately 20–25% to reduce height and lateral spread, selective crown thinning to improve light penetration, and removal of any dead, diseased or crossing branches. All works to be carried out in accordance with BS3998:2010. The proposed works are required to manage the size and spread of the trees, as the branches have become overextended within the garden setting. The works will help maintain a balanced crown, improve light to the garden, and ensure the trees remain suitable for their residential context. The proposals are minor in nature and will not adversely affect the health, appearance, or amenity value of the trees.
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P2026/0048/TRE Granted
20, Canonbury Square, London, N1 2AL
T1 - Sycamore ( Acer pseudoplatanus ) - Crown reduction by 5m in height and 2.5m in lateral growth, leaving the tree a standing height of 10m removing all major deadwood.
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P2026/0059/TRE Granted
19 Alwyne Villas, London, N1 2HG
Holly in front garden - trim/reduce crown by 0.5m approx. (not beyond previous points of reduction) This is regular light maintenance to maintain the appearance of this tree in its prominent situation.
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P2026/0012/TRE Granted
12 Canonbury Square, London
London Plane T1 (20M high, 850mm dia.) - Raise crown all around to 6 metres above road/bus stop and garden level. Sycamore T2 (20M high, 700mm dia.) - Raise crown all around to 6 metres above garden level and reduce crown on house side to give 3 metres clearance. Reason: To clear overhang to main A1 New North Road and to allow more light into the garden of number 12 plus proximity to house clearance.
Other heritage and listed buildings applications
In Islington
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P2026/1490/LBC Granted
15 Barnsbury Street, London, N1 1PW
Replacement of internal flat entrance doors, architraves and fanlights, installation of new fire alarm system, and replacement electrical cupboard.
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P2026/1838/COL Awaiting decision
18 - 20 St John Street, London, EC1M 4AY
Certificate of lawfulness for a proposed works to a listed building.
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P2026/1623/LBC Granted
16 Copenhagen Street, London
Replacement of internal flat entrance doors, architraves and fanlights, installation of new fire alarm system, and replacement of electrical cupboard.
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P2026/1625/LBC Granted
36 Barnsbury Road, London
Replacement of internal flat entrance doors, architraves and fanlights, installation of new fire alarm system, and replacement of electrical cupboard.
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P2026/1493/LBC Granted
40 Barnsbury Road, London, N1 0HD
Replacement of internal flat entrance doors, architraves and fanlights, installation of new fire alarm system, and replacement of electrical cupboard.