Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ

This site has had 4 applications since 2025: 2 approved, 0 refused.

• 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.

  Submitted 21 May 2026 Heritage and listed buildings
• 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)

  Decided 18 Aug 2025 Full applications
• 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)

  Decided 19 Aug 2025 Heritage and listed buildings

1. 21 May 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 16 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 91 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided amendment applications in a median of 81 days. More in our guide to how long planning decisions take.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ

  26/00337/COLBC Submitted 21 May 2026 50 yards away

  90% historically approved · decision due ~16 Jul

  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.

  Awaiting decision Heritage and listed buildings Extension Roofing +1

• Seymour Hall Swimming Baths Seymour Place London W1H 5TJ

  22/03922/COLBC Submitted 16 Jun 2022 50 yards away

  Installation of a pool cover to swimming pool.

  Granted Heritage and listed buildings 15 docs

• Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ

  25/05358/COGADF Submitted 31 Jul 2025 50 yards away

  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)

  Granted Full applications Loft or dormer 16 docs

• Ground Floor Seymour Leisure Centre Seymour Place London W1H 5TJ

  25/05266/COMADL Submitted 28 Jul 2025 50 yards away

  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)

  Granted Heritage and listed buildings Windows or glazing 23 docs

• Seymour Hall Swimming Baths Seymour Place London W1H 5TJ

  26/03293/COFUL Submitted 19 May 2026 50 yards away

  88% historically approved · decision due ~14 Jul

  Erection of flue on roof

  Awaiting decision Full applications 16 docs

• 26A Sherwood Court London W1H 5FE

  26/06886/CLEUD Submitted 8 Oct 2026 50 yards away

  84% historically approved · decision due ~3 Dec

  The existing use for which the certificate is sought is the use of Flat 26A, Sherwood Court, Bryanston Place, London W1H 5FE as a separate, self-contained residential dwelling within Use Class C3.

  Awaiting decision Lawful development
  Domestic

• 26/07459/NMA Awaiting decision

  1 Hanover Square London W1S 1HA

  Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.

  Received 3 Nov, published by the council 5 Nov 2026 Amendments
• 26/07438/NMA Awaiting decision

  29 - 31 Hill Street London W1J 5LS

  Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.

  Received 2 Nov, published by the council 6 Nov 2026 Amendments
• 26/07389/NMA Decided

  Flat 1 5 Grittleton Road London W9 2DD

  Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.

  29 Oct 2026 Amendments
• 26/07377/NMA Awaiting decision

  60 Ledbury Road London W11 2AJ

  Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C

  Received 28 Oct, published by the council 3 Nov 2026 Amendments
• 26/07375/NMA Awaiting decision

  77 Hereford Road London W2 5BB

  Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.

  Received 28 Oct, published by the council 3 Nov 2026 Amendments