Why won’t Virgin Active cancel my contract?

I stopped my direct debit after 12 moths was up, but it tried to impose a rolling dealI took out two consecutive 12-month memberships with Virgin Active. With the second none of the terms and conditions were confirmed and no new contract was signed but a fee agreed for the 12 months. At the beginning of this year I wanted to cancel as I hadn’t been using the gym but decided to wait until the end of my contract to let Virgin Active know I didn’t wish to renew. When I didn’t rece