By Laura Forsyth Get ready to float and flex as London’s first Pooltop Pilates class rolls into the city. Pilates, one of the UK’s most popular wellness exercises, is set to receive an exciting new twist this September with the launch of dedicated rooftop pool classes. Hosted at New Acres in Wandsworth, these exclusive sessions will challenge attendees’ balance and coordination under the guidance of renowned Pilates instructor Catherine Louise Manna of CLM Pilates. Combining core engagement with low-impact resistance training, the classes will use various props such as balls and bands. The uni…