Planet fitness rip-off

During the lockdown Planet Fitness closed their Craighall Gym. They did not inform me of their intent but simply moved my membership to their new premises in Sandton Gate As soon as I realised this I wrote to them explaining that the transfer did not suit my requirements - the new gym does not have a pool. They refuse to accept that they have changed the conditions of the contract and equally refuse to cancel my membership and refund the premiums that they have deducted