Seymour Leisure Centre, Seymour Place, Marylebone, City of Westminster, Greater London, England, UK

Also/previously known as: Seymour Hall, Seymour Place, Marylebone, City of Westminster, Greater London, England, UK, Seymour Hall, Seymour Place, Marylebone, County of London, England, UK

Inside Marylebone, City of Westminster, Greater London, England, UK

Built 1935-7.
Name change date known as prior to 1989 - guessed.