UK Water Bills Likely to Rise as Regulator Approves Extra Funding

Thirteen water companies in England and Wales have received provisional approval from the regulator Ofwat to increase customer bills by an additional £3.4 billion to address mounting pressures on infrastructure and the environment. The proposed funding aims to support increased demand from new housing and data centers, as well as tackle pollutants such as "forever chemicals."

Nearly one-third of this extra funding is designated for maintaining existing water services. Ofwat stated that the additional spending is intended to enable the companies to support growth, improve environmental outcomes, and prevent delays to essential upgrades. Helen Campbell, executive director for delivery at Ofwat, emphasized that the regulator will monitor performance closely, with the possibility of clawing back expenditure if companies fail to deliver expected improvements.

This decision comes on top of previously agreed bill increases negotiated in 2024. The current process allows water companies to apply for additional funds for projects that were not anticipated during the last regulatory review, which sets spending budgets every five years. Specific approved schemes include funding for new data centers in Manchester, enhanced wastewater capacity in Newquay, and accelerated work by Wessex Water to address PFAS chemicals, originally planned for 2030-35.

The decision remains provisional, with a public consultation period underway before a final decision is expected in December. Some of the additional costs will be recovered through customer bills before 2030, with the remainder to follow. Customers of Severn Trent Water, Southern Water, Thames Water, Wessex Water, and South East Water are expected to see bill increases ranging from £1 to £43 in the 2027/28 and 2029/30 financial years.

Water companies had initially requested £4.3 billion in extra funding, but Ofwat rejected some of their proposals. Critics, however, have voiced strong opposition to the potential bill hikes. Amy Fairman, head of campaigns at River Action, called the decision "an insult," arguing that water companies have a history of underinvestment over the past three decades, leading to issues such as leaks and pollution. She advocated for greater public control over water companies, stating, "No more blank cheques for failure."