asked the Secretary of State for Wales what was the amount payable to the Welsh water authority for all services by a domestic consumer occupying a property of average rateable value in 1977–78 and 1980–81.

On a property of average rateable value an occupier would have paid £45.80 in 1977–78 and £58.12 in 1980–81, an increase of 26·9 per cent. over three years.