That's a White Plymouth Rock, and I think I can see some sickle feathers in that picture (although the picture is so small, I can't tell for sure), so I'm thinking cockerel.
Hi guys hes about 12 weeks old now - we got him from market and he was labelled up as a leghorn lol its no isssue what he is lol ill try and get some better pics but the littlw bugger wont stay still lol