Exactly how much your water bill will increase by and whenAverage households will be paying an additional £2.75 per monthView Image Water bills are set to increase across England and Wales (Image: Rui Vieira/PA Wire)Cambridgeshire households will see an increase in one of their utility bills from April 1 as water bills will increase across England and Wales. ‌Average household water bills will increase by £2.75 a month, taking the typical bill to £639 a year. Anglian Water customers will see the average bill increase by £44 a year, that's about £3.66 more per month. That’s the lowest average increase of any company to provide both water and wastewater services. That is why we will help around 2.5 million households – more than ever before – with average discounts of around 40% off their water bill.”