I too am building a loft layout. I have found one other problem that I hadn't previously encountered. Make sure your loft is damp-proof! I lost a load of buildings due to unexpected water ingress. I was only lucky I hadn't wired up at the time!
http://modelrailway.fotopic.net/ has pictures of the progress so far. An update is due, though..
http://modelrailway.fotopic.net/ has pictures of the progress so far. An update is due, though..
