Hi Adrian,
I cannot stress enough the importance of what the other guys have said here. You don't have experience on your side so first impressions mean everything. If your application has spelling or grammar mistakes it will almost certainly go in the bin. At interview think - appearance, bearing, manner - Would you invest a huge amount of time and money in this person because that is what taking on an apprentice involves and there is limited return on this investment for quite some time.
Good luck, let us know how you get on