Search the net for some skills centres and go to your local college. Get as much information as you can on different courses etc.
Then make an appointment to speak to an advisor (or skills assesser i think they're called) take the info to them and tell him/her that you want to get qualified. The job centre will fund this for you. A lot of centres can also deal with the funding side for you as well.
You have the advantage of falling in the 16-24 age bracket as well. You're one of the ones that would be offered the most help.
Then make an appointment to speak to an advisor (or skills assesser i think they're called) take the info to them and tell him/her that you want to get qualified. The job centre will fund this for you. A lot of centres can also deal with the funding side for you as well.
You have the advantage of falling in the 16-24 age bracket as well. You're one of the ones that would be offered the most help.