You can pre-book a 2 hour session (swim, sauna, steam room and hot tub) for £25 starting from 10am, booking slots are open every hour until 3pm (max of 4 people per time slot). This is now available 7 days a week.
Children's access is restricted to the 2pm until 4pm slot and each child must be accompanied by an adult for one to one supervision in the pool.
(Sauna, steam room and hot tub are not available to children).
You do not need to pre-book the children's swim, just book the adults session and you can pay the children's fee of £7.50 on arrival.