Dave forgive my ignorance, I am missing some thing ?
you quote " I have cleaned this place on a regular basis"
I cannot see the reason for asking in the first place , only you know having experienced the task what to charge, and at 50p a mtre for a total of 5000 mtres , why not . personaly i would have priced at £1.00 a mtre as is my charge for large commercial areas, but 50p , yes I would have made it pay at that because 2,000 mtrs is easily acheivable in 2 days.
geoff.
psSimon .I would be interested to know what you consider a reasonable price for a really god job as you put it, because I cannot imagine 1 of your clients paying much more than 50p a mtre for their carpets been cleaned.