> Take my figures with whatever condiment you like. I based 40 to 50 man
> hours on the limited rewirings I've done myself so far. For example the
> first one I ever did was with a friend just after we left college. It
> wasn't the "prettiest", but it took us 4-and-a-bit (ISTR) days between
> us to completely rewire a 1950s 3 bed detached; new everything. We must
> have put in some 80 man-hours that week and neither of us was very > experienced.
I just downgraded that number slightly for the smaller
house and a pro who has much more experience (and is hence quicker)
> while trying to account for extra make-good work.
Upgrade the figure for a concrete ceiling. B*****ds to work with.
Adam