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Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ

26/03372/NMANon-material amendmentsApproved
Discharge / amendments

Approved on 2 July 2026

Site boundary (council red line)

Proposal

Amendments to planning permission dated 6th February 2024 (RN:23/07813/COFUL) for: 'Variation of condition 1 of planning permission dated 17 July 2023 (RN:23/02017/COFUL) for the Refurbishment and upgrade of the Seymour Centre to provide leisure, swimming pool, library, flexible community/office space, health and fitness studios, beauty treatment rooms and a cafe. Flexible use for leisure, community and events spaces (Sui Generis)'. Namely, to allow enlargement sprinkler tank, relocation of services, refurbishments and associated works at lower ground, ground, first and second floors. (Linked with 26/03371/COLBC)

Received
21 May 2026
Ward
Marylebone
Agent
Collective Planning
  1. Received21 May
  2. Validated21 May
  3. Consult.
  4. Target18 Jun
  5. Decided2 Jul

Decided in 42 days (council typically 49)

About this application

This is an application to amend a permission at Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ. Westminster has handled 604 applications of this type. This one was decided in 42 days, 7 days quicker than Westminster's typical decision time. The site is in 5 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 168 applications across Marylebone. We hold 899 applications in total for the W1H postcode area.

88% of amendment 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
W1H 5TJ
Application type
Non-material amendments
Scale / size
Small

Planning application dates

Date validated
21 May 2026
Target decision date
18 June 2026

Applicant and agent

Agent
Collective Planning
Agent address
124 City Road London EC1V 2NX United Kingdom

Planning decision

Statutory period
28 days

Additional information

Planning Portal ID
PP-14783696
Comments
0
Documents
1

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Listed building: Grade II: Seymour Leisure CentreOn this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, conservation 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.

Associated applications

  1. 2026
    21 May

    Refurbishment works to include: removal of the redundant swimming pool tank to facilitate the fitness suite…

    PendingLBC Applic. Council's Own Dev.Filed alongside26/00337/COLBC
  2. 2026
    21 May

    Amendments to planning permission dated 6th February 2024 (RN:23/07813/COFUL

    This applicationApprovedNon-material amendment26/03372/NMA

Source: Westminster

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

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