Water bills in England and Wales to rise by average of £10 per month The average annual water bill will rise by 26% or £123 in the next financial year alone, according to industry figures covering England and Wales.
Water UK, which represents the water firms, said the average water and wastewater bill would go up from £480 to £603 during 2025/26 - an increase of about £10 a month.
Thames Water's 16 million customers face a 31% hike to £639 - a rise of £151 - at a time when the company is still scrambling to secure its financial future amid a massive debt pile that could yet tip it towards a special administration process.
Southern Water customers will see the largest in percentage terms, a 47% increase, taking their average bill to £703.
Water UK confirmed how inflation-busting hikes, determined by the regulator Ofwat in December, would play out from 1 April when a new five-year pricing period begins.
