12, Orleston Mews, N7 8LL
Proposal
Non-material amendment to planning permission P2025/3186/FUL dated 08/01/2026 (‘Replacement of all timber windows, external doors and wall panels. Erection of 3no. triangular dormer roof extensions, replacement of slate roof with standing-seam zinc roof and associated external works’) in order to change the position of the triangular window on one of the approved dormers; raise the height of the external balustrades; add a ‘mansafe’ system to the rear elevation and to the roof for improved access and other minor amendments.
- Received
- 30 July 2026
- Decided
- 27 August 2026
- Council
- London Borough of Islington
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.
- ReceivedSubmitted30 Jul
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided27 Aug
Decided in 28 days (council typically 56)
This is a planning application for a dormer extension at 12, Orleston Mews, N7 8LL. Islington has handled 70 applications of this type and approves 86% of them, typically deciding them in 29 days. This one was decided in 28 days. The site is in a conservation area, with 6 listed buildings nearby. There has been 1 other application at this address. We hold 787 applications in total for the N7 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Islington
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 202630 Jul
Non-material amendment to planning permission P2025/3186/FUL
This applicationRefusedNon-material amendmentP2026/2016/NMA - 202517 Nov
Replacement of all timber windows, external doors and wall panels. Erection of 3no. triangular dormer roof…
ApprovedHouseholderPart ofP2025/3186/FUL
Planning history at this site
1 other application at this property, newest first.
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: St Mary Magdalene
- 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 (21)
flood storage areas, listed buildings, 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 2026-10-09. 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.
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