How many sessions can I book a day?

This depends on the venue and your membership type. Some venues allow multiple bookings per day, especially for pay-as-you-go customers or members, while others limit you to one session per day.

Multiple sessions are allowed per day:
Charlton Lido & Lifestyle Club
Jesus Green Lido
Oasis Sports Centre
 

One session per day:
Finchley Lido Leisure Centre
Hillingdon Sports Centre (Members get one free session per day. A second session can be booked at an extra cost.)
Riverside Park & Pool
Stanborough Park Water Sports Centre
West Reservoir Centre