ok ive had an idea with all this great weather we are having (not) ive decided to build on my decking a shed type building but put some decent glass in it and have it as a boys come game room women and children invite only ha ha just wondring are there any height restrictions and would i need planning and does any1 see any major issues with this build ive looked at what i can buy and nothing really hits the spot plus the 1s i like seem very overpriced for what they are any help would be greatfull cheers steve