When we discovered new Notting Hill gym The Library is impressively housed in an imposing former synagogue, we decided to hunt down more of Britain's opulent and unusual fitness spaces.
If you're looking for high tech equipment specs and personal trainer expertise you're in the wrong place - we're unashamedly interested in the aesthetics. Here are 20 of the UK’s 20 most eye-pleasing gyms.
Which did we miss? Tell us in the comments below or on Twitter.