I've built the Guillows Skyhawk as a display model years ago. I found it to have a couple of problems that would need to be over come to make it R/C:
1) There is no provisions for any kind of access to the interior, you would need to fabricate an access on it
2) The wing needs to be redesigned as there is no main spar. It is possible that the wing could just fold up on you
3) The landing gear would need to either be removed or beefed up. The kit supplied landing gear could barely hold the weight of the plane