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Sanctuary Buildings 20 Great Smith Street London SW1P 3BT

24/04206/FULLFull Planning Permission ApplicationAwaiting decision
Full
Approximate location: the centre of the postcode, not the exact property.

Proposal

Widening of a fire exit and associated alteration to the surrounding curtain walling.

Received
22 June 2024
Decision due
26 August 2024
Ward
St James's
  1. Received22 Jun
  2. Validated1 Jul
  3. Consult.
  4. Target26 Aug
  5. Decided

Have your say

Comment on the council's siteDocuments (2)

About this application

This is a full planning application at Sanctuary Buildings 20 Great Smith Street London SW1P 3BT. Westminster has handled 4,484 applications of this type. It has been with the council since 22 June 2024 and is still awaiting a decision. The site is in the Westminster Abbey and Parliament Square conservation area, with 9 listed buildings nearby. There have been 9 other applications at this address. In the past year there have been 478 applications across St James's. We hold 1,247 applications in total for the SW1P postcode area.

86% of full 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.See what's approved near your address

Application details

Postcode
SW1P 3BT
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
1 July 2024

Applicant and agent

Agent
AtkinsRealis
Agent address
Two Chamberlain Square Birmingham B3 3AX United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-13071779
Comments
0
Documents
2

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Flood zone 3: High probability (rivers and sea)
  • Conservation area: Westminster Abbey And Parliament Square
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
Also checked, none recorded (22)

flood storage areas, listed buildings, 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

9 other applications at this property, newest first.

  1. 2026
    27 Apr

    Installation of automatic opening vents to window openings at levels 00, 01, 02 and 03 on east and west…

    ApprovedFull Planning Permission Application26/02778/FULL
  2. 2026
    13 Mar

    Detailed proof that all the necessary licenses under the Highways Act have been secured/approved for the…

    ApprovedDischarge of conditions26/01716/ADFULL
  3. 2025
    15 Dec

    Replacement of defective lintels above three windows on the sixth floor.

    ApprovedListed building consent25/09049/LBC
  4. 2025
    16 Oct

    Temporary modification and subsequent reinstatement of a single section of curtain walling spanning between…

    WithdrawnListed building consent25/07204/LBC
  5. 2025
    15 Oct

    Installation of external pipework between the first and second floors on the south elevation.

    ApprovedApplication25/06339/FULL
  6. 2025
    15 Oct

    Installation of external pipework between the first and second floors on the south elevation.

    ApprovedListed building consent25/06581/LBC

Source: Westminster

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

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Before the decision

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The site is in flood zone 3 (Environment Agency).

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