Thursday - 4pm to 6pm. Friday - 6pm to 7.30pm for adults. Sunday - 9am for children (ages 5-16). Sunday - 10am for adults. Sunday - 12.30pm to 1.30pm and 1.30pm to 2.30pm.
Open in term time and please just drop in. Cost is £4.30 (Sunday £3.10)
Willesden Sports Centre, Donnington Road, London NW10 3QX