One week of trial membership for those who just want to join one club session organised by the BHAA. The initial charge is £15, to cover a one week trial period. After a week you will be converted to a full member unless you cancel. If you do decide to stay a member of the BHAA your membership starts and lasts for 12 months from the date of joining. It will automatically renew in 12 months unless you cancel before the renewal date.