To ask the Secretary of State for Environment, Food and Rural Affairs how many water meters were installed in houses (a) in England and (b) in Hemel Hempstead constituency in each year since 1997. (261263)

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.

Three Valleys Water figures are included as this company provides a water service to the constituency of Hemel Hempstead.

Because of water company supply boundaries it is not possible to separate out the number of meters installed in England alone.