a dca is not a bailiff and have zero legal powers to do or charge anything on any debt.
gyms have not done court since 2012 when one badly lost.
never ever use the phone or email on any debts
block bounce ignore all emails and phonecalls or texts.
did you allow one further dd payment following the sending of your cancellation by whatever method?
Don't touch them owe me £500 since January 2019 make excuse after excuse. Seem they always have software problems sending money out. Keep saying they will call back or email nothing been chasing it now for 6 mths the phone staff always have the same banter we will chase it up and get back to you then nothing!