The following table sets out the number of water meters that have been installed in houses in England and Wales since 1997. Ofwat, the economic regulator of the water and sewerage industry, does not hold data on how many meters are installed in individual constituencies.
Because of water company supply boundaries it is not possible to separate out the number of meters installed in England alone.
|Household meters installed in England and Wales and Three Valleys Water between 1997 and 2008|
|Total in England and Wales||Three Valleys Water|