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33 St James's Square London SW1Y 4JS

26/02705/LBCListed Building Consent ApplicationApproved
Listed building consent

Approved on 11 September 2026

Site boundary (council red line)

Proposal

Amendment to lift overrun to provide level access to seventh floor in line with building and fire regulation requirements; remodelling of the roofscape, including an amended set back plant enclosure; introduction of a secondary escape stair as required by fire regulations; omission of sixth floor east elevation roof terrace; minor amendments to east elevation; introduction of seventh floor plant well; internal reconfiguration of layouts and core. [Linked to 26/02814/FULL]

Received
23 April 2026
Ward
St James's
Agent
DP9 Limited
  1. Received23 Apr
  2. Validated29 Apr
  3. Consult.
  4. Target24 Jun
  5. Decided11 Sep

Decided in 135 days (council typically 49)

About this application

This is a heritage application at 33 St James's Square London SW1Y 4JS. Westminster has handled 2,677 applications of this type. This one was decided in 141 days, 13 weeks longer than Westminster's typical decision time. The site is in the St James's conservation area, with 12 listed buildings nearby. There have been 6 other applications 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 4JS
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
29 April 2026
Target decision date
24 June 2026

Applicant and agent

Agent
DP9 Limited
Agent address
100 Pall Mall London SW1Y 5NQ United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14768527
Comments
0
Documents
61

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

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

5 other applications at this property, newest first.

  1. 2026
    7 May

    Details of unilateral undertaking pursuant to condition 7 of planning permission dated 27th October 2020 (RN…

    ApprovedDischarge of conditions26/03012/ADFULL
  2. 2025
    13 May

    Installation of a reinforced concrete foundation and supporting column (Confirmation that the development…

    ApprovedLawful development: Existing use25/03241/CLEUD
  3. 2023
    15 Dec

    Detailed drawings showing omission of proposed decking to lower ground floor level front lightwell and…

    ApprovedDischarge of conditions23/08681/ADFULL
  4. 2023
    15 Dec

    Detailed drawings showing omission of proposed decking to lower ground floor level front lightwell and…

    ApprovedListed building consent23/08888/ADLBC
  5. 2017
    23 Aug

    Internal alterations including localised restoration, repair and redecoration of 1st floor Adams Room ceiling…

    ApprovedListed building consent17/07592/LBC

Source: Westminster

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

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