Hi csreades
I would advise you to go to your local club flying field first, and just talk to the people there. Pick a day when the wind is below 8 mph, someone may even offer to let you have a go. The way to find your local field is to go to "www.bmfa.org". Hover your mouse over "clubs" a dropdown menu will appear, click on "find a club" then "view club finder" enter your postcode etc. Check out the clubs on-line, (some only do helis), and the days they fly.
If you do build something, get someone who is a good flyer to do the maiden flight and "trim" it for you. This can save a lot of heartache trying to fly a "untrimmed" plane. It's hard enough to fly a good one when your just learning!
Good luck
Graham