Skip to content

24 Westminster Mansions Great Smith Street London SW1P 3BP

23/04669/ADFULLApproval of Details (Full PP)Refused
Discharge / amendments

Refused on 18 July 2023

Council decision: Application RefusedDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

Details of windows pursuant to Condition 4 of planning permission dated 29 June 2023 (RN:23/03113/FULL)

Received
7 July 2023
Decision level
Delegated (officer decision)
Ward
St James's
Agent
Gareth King Architects
  1. Received7 Jul
  2. Validated7 Jul
  3. Consult.
  4. Target1 Sep
  5. Decided18 Jul

Decided in 11 days (council typically 49)

About this application

This is an application to discharge conditions at 24 Westminster Mansions Great Smith Street London SW1P 3BP. Westminster has handled 3,063 applications of this type. This one was decided in 11 days, 5 weeks quicker than Westminster's typical decision time. The site is in the Westminster Abbey and Parliament Square conservation area, with 20 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 475 applications across St James's. We hold 1,248 applications in total for the SW1P postcode area.

92% of conditions 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
SW1P 3BP
Application type
Approval of Details (Full PP)
Scale / size
Small

Planning application dates

Date validated
7 July 2023
Target decision date
1 September 2023

Applicant and agent

Agent
Gareth King Architects
Architect profile
GARETH KING ARCHITECTS LIMITED
Agent address
56 Welman Way Altrincham WA15 8WD United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-12296844
Comments
0
Documents
7

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.

Source: Westminster

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

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near SW1P

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Planning something similar?

See what the council approved and refused on your street for the project you have in mind. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address