These pictures don't need much commentary - basically the builders used pre-made roof frame sections to put our one upstairs room together. It's called a "loft" on the plans, and as of yet has no designated purpose other than to grab the best views we can manage from our site up high on the hill.
We're getting plumbing put in to the walls in case we want a bathroom up there next to a master bedroom for example, but that won't happen on day one.
First the walls were passed up and laid flat in place ready to be raised:
Then one by one the went up:
Nail guns did the job of holding everything in place:
And eventually the "loft" was largely in place next to the bedroom roof trusses:
Of course once they had left for the day I just had to get up there and have a look around: