Planning application
P2026/0256/LBC
Basement To Third Floors, 12A Charterhouse Square, London, EC1M 6AX
Proposal
Insertion of steel beam to support existing staircase – 2nd to 3rd floor
As published by the council, reference P2026/0256/LBC
Timeline
Dates from the published record
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2 Feb 2026
Received by Islington
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6 Feb 2026
Validated
Checked as complete and ready for consideration.
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30 Mar 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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P2024/2818/AOD Granted
32, Florin Court, 6 - 9 Charterhouse Square, London, EC1M 6EU
Approval of Details pursuant to condition 3 of planning application ref: P2024/0128/LBC
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P2026/1750/FUL Awaiting decision
Open area to the front of 120 Aldersgate Street, Priory Fields House, London
External works to the entrance including, extension to the existing canopy, external bike store, installation of signage and associated works. Also linked to advertisement consent ref: P2026/1750/ADV.
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P2026/1751/ADV Awaiting decision
Open area to the front of 120 Aldersgate Street, Priory Fields House, London
External works to the entrance including, extension to the existing canopy, external bike store, installation of signage and associated works Also linked to full application ref: P2026/1750/FUL.
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P2021/1469/FUL Granted
Cathedral Lodge, 110-115 Aldersgate Street, London, EC1A 4JE
Renewal of ground floor front entrance doors and glazing to incorporate a new entrance lobby.
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25/01771/OBS Granted
7 - 8 Carthusian Street London EC1M 6EB
Consultation by the London Borough of Islington for the replacement of existing fascia signage and hanging sign (LBI Ref.P2025/3303/ADV) .
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26/00008/MDC Awaiting decision
42 - 43 Charterhouse Square London EC1M 6EW
Submission of (a) accommodate the location of the existing London Underground structures and tunnels and assess any structural impact due to the proposed works; (b) provide detailed design and Risk Assessment Method Statement for all demolition, temporary and permanent works; (c) provide detailed design and Risk Assessment Method Statement on the use of tall plant/scaffolding/lifting equipment; (d) demonstrate that there will at no time be any potential security risk to our railway, property or structures; (e) mitigate the effects of noise arising from the proposed works on LU assets; and (f) no works to commence on any part of TfL/LU Property or in it's airspace until any agreements required with TfL Engineering, TfL Property or TfL Legal have been agreed and signed by all parties pursuant to condition 5 of planning permission 24/00155/FULL dated 02/07/2024.
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.