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Part Basement, Ground Floor And Part Mezzanine Floor British Columbia House 1 - 3 Regent Street London SW1Y 4NR

26/04425/LBCListed Building Consent ApplicationApproved
Listed building consent

Approved on 20 July 2026

Site boundary (council red line)

Proposal

Installation of security locks and other fittings to the entrance doors to 3 Regent St, an internal cross-corridor door and internal doors from the entrance lobby to the ground floor. Also fire protection measures to the internal doors from the entrance lobby to the ground floor.

Received
3 July 2026
Ward
St James's
Agent
Donald Insall Associates Ltd
  1. Received3 Jul
  2. Validated3 Jul
  3. Consult.
  4. Target28 Aug
  5. Decided20 Jul

Decided in 17 days (council typically 49)

About this application

This is a heritage application at Part Basement, Ground Floor And Part Mezzanine Floor British Columbia House 1 - 3 Regent Street London SW1Y 4NR. Westminster has handled 2,677 applications of this type. This one was decided in 17 days, 5 weeks quicker than Westminster's typical decision time. The site is in the Regent Street conservation area, with 12 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 474 applications across St James's. We hold 969 applications in total for the SW1Y postcode area.

93% of heritage applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 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
SW1Y 4NR
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
3 July 2026
Target decision date
28 August 2026

Applicant and agent

Agent
Donald Insall Associates Ltd
Architect profile
DONALD INSALL ASSOCIATES LIMITED
Agent address
12 Devonshire Street London W1G 7AB GB

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-15059028
Comments
0
Documents
16

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Regent Street
  • Listed building: Grade II: British Columbia HouseOn this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage areas, tree preservation orders, 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

1 other application at this property, newest first.

  1. 2025
    17 Sep

    Minor internal works to two sets of doors at ground floor level.

    RefusedListed building consent25/06651/LBC

Source: Westminster

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

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