i think a month is extremely optimistic unless you've got some amazing builders. our house was at that stage before christmas. At the moment it's all plumbed, wired and we're waiting for kitchen to go in, painting, 2nd fix carpentry and items mentioned like footpaths etc. The builders are saying they around 2 more months is likely so i wouldn't hold your breath.
Sorry, probably not what you want to hear but just telling it how it is for us. Of course all builders vary so you might be lucky.
Good luck with it x