Try these guys they have helped me in the past. Just down the road from me.
https://www.google.co.uk/url?sa=t&rct=j&q=frazerers%20tyre%20recling&source=web&cd=1&ved=0CC0QFjAA&url=http%3A%2F%2Fwww.fraser-evans.co.uk%2Ftyre_recycling.aspx&ei=NQvnUdKeMLTw0gWphIGgDQ&usg=AFQjCNFTlVGvjYwz3UbrvRyk88FrWHJM1w&bvm=bv.49405654,d.d2k