Planning application
P2026/1918/LBC
20, Great Percy Street, London, WC1X 9QP
Proposal
Rear extension at ground floor rebuilt and extended, with rear lightwell infill at lower ground floor with associated external works and internal alterations. P2026/1917/FUL also submitted
As published by the council, reference P2026/1918/LBC
Timeline
Dates from the published record
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17 Jul 2026
Received by Islington
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28 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Islington for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
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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P2026/1917/FUL Awaiting decision
20, Great Percy Street, London, WC1X 9QP
Rear extension at ground floor rebuilt and extended, with rear lightwell infill at lower ground floor with associated external works and internal alterations. P2026/1918/LBC also submitted
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P2026/1600/AOD Awaiting decision
20, Great Percy Street, London, WC1X 9QP
Approval of details pursuant to condition 4 of planning permission ref. P2025/2307/LBC dated 13/01/2026 BATHROOM (DETAILS): Notwithstanding the drawings hereby approved, details showing the routing of plumbing and measures to mitigate damage to the floor joists, and a suitable ventilation strategy to the approved bathroom, shall be submitted to and approved in writing by the Local Planning Authority prior to the commencement of this part of the work. The development shall be carried out in accordance with the approved details and retained as such thereafter into perpetuity. REASON: In order to safeguard the special architectural or historic interest of the heritage asset.
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P2026/0684/LBC Granted
24 Great Percy Street, London
Replacement of internal flat entrance doors, architraves and fanlights, installation of new fire alarm system and emergency lighting, and replacement electrical cupboard.
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P2025/3677/LBC Granted
5 Cumberland Gardens, London, WC1X 9AF
Replacement of existing timber windows and doors with double-glazed timber windows/doors.
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P2025/3676/FUL Granted
5 Cumberland Gardens London, WC1X 9AF
Replacement of existing timber windows and doors with double-glazed timber windows/doors.
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P2021/1018/FUL Granted
5 Cumberland Gardens, London, WC1X 9AF
Repairs to the roof of the house including renewing the existing felt with a new, breathable felt; replacing existing slates with Spanish natural slates; renewing lead flashings; renewing the lead box gutter; replacing the rotten sections of the window frame of the dormer window with like for like matching wooden frame; removing and renewing areas of damaged cement work on parapet walls (Listed building consent also submitted ref. P2021/1077/LBC)
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.