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Basement Level, 5 Lonsdale Square, London, N1 1EN

P2026/0324/LBCListed BuildingRefused
Listed building consent

Refused on 26 August 2026

Council decision: Refusal of permission

Approximate site (title boundary)
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

Partial opening up of the rear elevation, partial opening of the existing chimney breasts and the opening of an existing wall. and associated alterations.. (Full planning application also submitted ref: P2026/0325/FUL).

Received
9 February 2026
Ward
Barnsbury
  1. Received9 Feb
  2. Validated24 Feb
  3. Consult.1 Jul
  4. Target28 Aug
  5. Decided26 Aug

Decided in 183 days (council typically 56)

About this application

This is a heritage application at Basement Level, 5 Lonsdale Square, London, N1 1EN. Islington has handled 714 applications of this type. This one was decided in 198 days, 20 weeks longer than Islington's typical decision time. The site is in a conservation area, with 5 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 167 applications across Barnsbury. We hold 4,098 applications in total for the N1 postcode area.

94% of heritage 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 1EN
Application type
Listed Building
Scale / size
Small

Planning application dates

Date validated
24 February 2026
Consultation expiry
25 April 2026
Consultation end
1 July 2026
Target decision date
28 August 2026
Application expires
16 April 2026

Planning decision

Case officer
Yusif Yusifzada
Statutory period
55 days

Publicity

First advertised
2 April 2026
Site notice start
2 April 2026

Additional information

Planning Portal ID
PP-14673904_C
UPRN
5300058542
Documents
8

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Barnsbury
  • 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 2026-11-03. 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.

Associated applications

  1. 2026
    9 Feb

    Partial opening up of the rear elevation, partial opening of the existing chimney breasts and the opening of…

    This applicationRefusedListed building consentP2026/0324/LBC
  2. 2026
    9 Feb

    Partial opening up of the rear elevation, partial opening of the existing chimney breasts and the opening of…

    RefusedListed building consentPart ofP2026/0325/FUL

Source: Islington

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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