In reply to gethin_allen:
Morning Campers,
My plan was to fix extra lengths of sturdy timber above each ceiling joist, not least because it'd then mean that the floor would sit above the insulation that is on top of the ceiling. Also, I was considering fixing one end of the climbing wall to the brick wall at one end of the attic, rather than the roof itself and then building a burly structure above a brick partition wall near the other end to take most of the weight of the wall itself.
The cellotex idea is interesting. I remember boarding out the loft at my old house (for storage, not to put a wall in) in July and it was ridiculously warm up there, which wouldn't be conducive to clambering. A fan sounds like a plan too.
Murd, that wall looks ace!
Thanks for the advice kids, any more greatly appreciated.
Love from,
Joyce,
XXXX