I have applied for planning to convert a barn to 5 holiday lets and I have been told the water authority require us to have a new water supply to connect to their network. The barn currently has water as it already has a kitchen and toilet facilities as it has in the past been used as a garage. This supply is metered as part of the house. I am happy to have a separate supply for the barn as a whole but don’t want another 5 separate supplies and metres. Any idea how much this will cost?