WOW what a nightmare
Finally after 4 calls they have sorted it they cannot amend the contract they have to give me a rolling credit for the second 6 months. Maybe its me but i am well shocked with the response from the first two ladies that i spoke to even thou the lady that sorted it for me did say she never knew they did that deal.
Thanks for your replies and Chad thanks a lot mate, the Uswitch link was the one that seem to do the job

without your help I was stuffed was so stressed I couldn't even think straight
All the best and thanks again