271, Upper Street, London, N1 2UQ
Refused
Delegated (officer decision)
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Change of use of first, second and third floors from Use Class E(g) (Offices) to C3 (Residential) to create 2no. self-contained flats (1b/2p and 3b/5p). Erection of two storey rear extension and associated works (part retrospective).
- Received
- 15 November 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Islington
- Ward
- Laycock
- ReceivedReceived15 Nov
- ValidatedValidated28 Nov
- Consult.Consultation3 Jan
- TargetTarget Date22 Jan
- DecidedDecided
About this application
This is a full planning application for a two storey rear extension at 271, Upper Street, London, N1 2UQ. Islington has handled 1,802 applications of this type. It has been with the council since 15 November 2025 and is still awaiting a decision. The site is in a conservation area, with 4 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 77 applications across Laycock. We hold 4,099 applications in total for the N1 postcode area.
90% of full applications at London Borough of Islington were approved. Across all application types, the council typically decides in about 8 weeks (median).
Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street
Application details
- Postcode
- N1 2UQ
- Application type
- Full Planning Application
- Scale / size
- Small
Planning application dates
- Date validated
- 28 November 2025
- Consultation expiry
- 3 January 2026
- Consultation end
- 3 January 2026
- Application expires
- 1 January 2026
Planning decision
- Statutory period
- 55 days
Publicity
- First advertised
- 11 December 2025
- Site notice start
- 11 December 2025
Additional information
- Planning Portal ID
- PP-13960634
- UPRN
- 5300094967
- Documents
- 20
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Upper Street (North)
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.
Also checked, none recorded (20)
flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Planning history at this site
3 other applications at this property, newest first.
- 202619 Feb
Erection of a two-storey extension above the existing single-storey rear extension to provide ancillary…
ApprovedFull planning permissionP2025/3688/FUL - 202529 Jan
Notification of Prior Approval for the change of use of first, second and third floors of existing commercial…
RefusedApplicationP2025/0300/PRA - 202428 Nov
Erection of additional two-storey side/rear extension over existing addition for use as storage space.
RefusedFull Planning ApplicationP2024/3572/FUL
Source: Islington
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 271 Upper Street, LondonP2024/3572/FUL · FullRefused0.0 mi
- Basement And Ground Floors, 269-270 Upper Street, London, N1 2UQP2023/3182/FUL · FullApproved0.0 mi
- 10, Tyndale Terrace, London, N1 2ATP2025/0350/TRE · TreesApproved0.0 mi
- Town Hall, Upper Street, London, N1 2UDP2023/2378/LBC · HeritageApproved0.1 mi
- Town Hall, Upper Street, London, N1 2UDP2025/2239/LBC · HeritageApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Orient Construction Consultancy LimitedVerifiedLondon1.4 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman2.1 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing2.8 mi
- Building Services LondonVerifiedLondonExtensionsLoft Conversions3.8 mi
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