Time for some hard decisions

So If this thing is ever going to get out of the ground someone is going to have to make some decisions. For example, what is the house going to be clad in? Let me say right off the bat, re used gal corrugated iron. What more could any want in a house cladding. It has character, it has class it has environmental cred. ( to re-use is better than to recycle). It has ready to wear patina. its perfect. Sure it may have a few holes in it Sure it may cost the same as buying it new sure I may be the only person who thinks its a good idea but apart from that its perfect. Of course it would be a liitle to much if the whole house was clad in gal, I accept that. It needs a little something to contrast. Keeping in mind that the council likes organic earthy tones, I propose the feature cladding should be 6mm rusty steel plate. Now don't just reject it out right, think about it for a moment. yeah thats right you can see it and you love it! I knew you would.

So now that we have the exterior sorted, time to consider the interior. It goes with out saying that walls can be a little tricky to move after the fact. So you wanna get it right the first time. particularly in the important rooms like the upstairs bedroom / ensuite. Now due to the fact that I am just a humble small town boy. I have never had the benifit of having a bedroom with an ensuite. Truth be told I am a litlle frightened of the idea. But due to the fact that The bedroom is upstairs and the main bathroom is not, it kinda makes a bit of sence. However the idea of having a bathroom in a bedroom just doesn't sit right with me. So here is the proposal (see pics) What do you think? will it be practacal?