My experience in the US is that 8' ceilings are pretty much standard. I've helped build a few stick-built additions and houses, and when you are buying stud ti

My experience in the US is that 8' ceilings are pretty much standard. I've helped build a few stick-built additions and houses, and when you are buying stud timber in bulk, it comes precut either to 96" or 92 5/8" - which, with standard 2xX top and bottom plates, works out to be 8'.