Jubilee Hall Sports Centre

Affordable membership and an unpretentious community atmosphere means this London stalwart attracts a healthy mix of people from well-honed blokes bulking up to more average-shaped folk who just want to keep fit. There's no pool but there is a huge open gym and exercise studios which more than make up for the absence of dipping facilities. A variety of classes are offered, including hatha yoga, burlesque and flamenco. The cardio and weights machines are hi-tech, and the café has wi-fi access.