UK water bills to rise by average £33 a year from April 2026Water bills in England and Wales will rise by an average of 5.4% in April, the industry has confirmed. It follows last year’s record rise in charges and will take the national average water bill to £639 per year. Article continues below ADVERTISEMENTSome areas will see their water bills rise by up to 13%. Water UK pledged that the money raised by water bills could only be used to fund infrastructure that had been independently determined to be “new, necessary and value for money”. “The postcode lottery of financial assistance created by existing water company social tariffs is unfair and unsustainable in the face of rising water bills."