Measurements

Wall 1 length=5.1m Width=3m Height=3m
Wall 2 length=5.1m Width=3m Height=3m
Wall 3 length=4.3m Width=3m Height=3m
Floor length=5.1m Width=4.3m Height=3m
Ceiling length=5.1m Width=4.3m Height=3m

There is not a fourth wall because this room is partly conected to the kitchen and the back door.