Planning application
26/03293/COFUL
Seymour Hall Swimming Baths Seymour Place London W1H 5TJ
Proposal
Erection of flue on roof
As published by the council, reference 26/03293/COFUL
Timeline
Dates from the published record
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19 May 2026
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
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26/03372/NMA Awaiting decision
Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ
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)
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26/00337/COLBC Awaiting decision
Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ
Refurbishment works to include: removal of the redundant swimming pool tank to facilitate the fitness suite at lower ground floor, relining the existing pool tank, installation of photovoltaics on the inner roof slope, removal of the existing roof lanterns and wind catchers in the sports hall to be replaced with new double glazed roof lanterns and wind catchers and installation of secondary glazing to all the windows in the sports hall, removal of roof lantern above swimming pool to be replaced with a new double glazed roof lantern, retention of the existing courtyard and internalisation of the lower ground level with a flat roof covering, removal of roof lanterns above the martial arts studio to be replaced with double glazed roof lanterns, removal and replacement of existing plant including new ductwork and flue, installation of roof plant enclosures, provision of external private roof terrace (restricted access), removal of existing roof lanterns to northwest and northeast of roof to be replaced with flat roof covering, removal and replacement of existing flat roof coverings, installation of access and maintenance gantries, ladders and stairs on roof, removal of windows to community studio and infill, minor internal alterations to walls and partitions to facilitate the reconfiguration of uses, installation of new handrail balustrades on 4 corner stairs of sports hall, improve accessibility with one lift in each core (4 lifts in total plus three platform lifts at first floor) and two new internal upper staircases on the eastern elevation plus two new internal staircases on the south-west of the first floor, external alterations to some windows, doors and fenestrations replacement of asphalt covering to perimeter lightwell with new covering, removal of some mosaic tiles to create level access to the sports hall flooring, removal and replacement of some ceiling, provision of new chemical delivery hoist from street level to lower ground floor at Bryanston Place.
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25/05358/COGADF Granted
Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ
Details of construction drawings at 1:10 of rooflights to the swimming pool and martial arts studio pursuant to condition 3 (part) of planning permission dated 6th February 2024 (RN:23/07813/COFUL)
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25/05266/COMADL Granted
Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ
Detailed construction drawings at 1:10 with full size details of the all new secondary glazing pursuant to condition 3 of listed building dated 17th July 2025 (RN:25/02196/COLBC)
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25/07996/TCA Awaiting decision
22 Shouldham Street London W1H 5FL
Large leaf Crab Apple - Crown reduce the height and spread back to the previous reduction points leaving furnishing growth where possible (approx. 3m height and 1m spread) Reduce any unruly height and spread to balance and shape. Remove dead wood and basal growth Maintenance works in line with good arboricultural practice
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26/00030/TCH Granted
32 Crawford Place London W1H 5NN
Use of the public highway for the placing of six tables and 12 chairs in two areas measuring 5.5m x 1.2m and 5.5m x 0.9m in association with the ground floor use.
Other full applications applications
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26/04824/ADFULL Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Detailed design and specification of new blinds to NZH based on mock-up trials on-site. pursuant to condition 32 (i) of planning permission dated 8th April 2024 (23/00571/FULL).
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26/04829/ADFULL Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Details of external and internal signage strategy pursuant to Condition 33(E) of planning permission dated 8th April 2024 (RN: 23/00571/FULL)
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26/04841/ADFULL Granted
29 Henstridge Place London NW8 6QD
Details of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 5 of planning permission dated 18th November 2025 (RN:25/06159).
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26/04989/FULL Awaiting decision
1 Kildare Terrace London W2 5JT
Erection of a mansard roof extending over the main house and side wing, replacement lower ground rear extension with roof terrace above, lowering of lower ground floor slab, installation of an air source heat pump in rear garden, new front boundary treatment, and new second floor window on the north elevation.
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26/04986/FULL Awaiting decision
Inver Court Inverness Terrace London W2 6JB
Replacement of combustible materials in the render facades; timber decking and plastic soffits/ fascias to terraces with non-combustible materials on the 5th and 6th floors.