Thames Water on brink of collapse as rescue deal in doubt over customer 'burden'

A major rescue deal for Thames Water, Britains biggest water supplier, is in doubt after Environment Secretary Emma Reynolds warned it would place an undue burden on customers

09:03, 16 Jun 2026Updated 09:18, 16 Jun 2026

[A worker watches as a Thames Water tanker pumps out excess sewage]

Thames Water is on the brink of nationalisation (stock)(Image: PA Archive/PA Images)

UK's biggest water supplier is reportedly on the brink of temporary nationalisation after the Environment Secretary cast doubt on a 10billion rescue deal for the troubled supplier.

Emma Reynolds is understood to have written to water regulator Ofwat on Monday (June 15) warning the current bid tabled by Thames Water creditors would place an undue burden on customers.

The Governments misgivings over the deal comes as Ofwat is said to have been close to accepting the offer from bidding consortium London & Valley Water, which has proposed injecting 10 billion into debt-laden Thames Water in return for any new fines over sewage leaks being waived for four years.

[Environment Secretary Emma Reynolds]

Environment Secretary Emma Reynolds has cast doubt over the current deal(Image: Wiktor Szymanowicz/ZUMA Press Wire/Shutterstock)

Thames Water Britains biggest water supplier with 16 million customers is hoping to secure the deal to stave off temporary nationalisation after being left close to collapse by nearly 20 billion of debt. It has also faced a series of hefty fines for its poor environmental performance in recent years.

A rescue bid by creditors is seen as the final realistic option on the table to avoid being placed into the Governments so-called special administration regime after a previous rescue deal with US private equity giant KKR collapsed in May last year.

Administrators have already been lined up to step in if needed. Reynoldss criticism of the deal centres on concerns that customers will lose out under the creditors offer, according to The Times, which first reported the details of the letter.

It is thought she raised worries that the creditors proposal was weak. But the Government has repeatedly said it prefers a market solution over temporary nationalisation.

[Bills]

The MP wrote to water regulator Ofwat (stock)(Image: PA Archive/PA Images)

Reynolds said: Thames Water customers have been let down for far too long, with 15 years of underperformance, increasing serious pollution, and customers left to pick up the bill.

I have written to Ofwat to outline my early views that I am not convinced the current proposal is good enough for consumers or the environment. We standby for any outcome.

Reynolds is set to address Parliament on Tuesday. Ofwat and the Department for Environment, Food and Rural Affairs have been approached for comment.

The letter from Reynolds comes in a difficult week for Prime Minister Sir Keir Starmer, with Andy Burnham the mayor of Greater Manchester hoping to win the Makerfield by-election on Thursday, which would pave the way for him to launch a leadership challenge.

Burnham recently signalled he wants to bring in a 10-year plan to renationalise the water industry, saying reform is needed to put the public interest first.

It had been expected that the Government would give its backing to the Thames Water takeover this summer, with the utility fast running out of cash and said to be facing collapse within months if a deal is not forthcoming.

London & Valley Waters proposed deal would see it inject 3.35 billion of new equity into Thames Water and up to 6.55 billion in new debt.

But it is said that Thames Water would also have to pay nearly 750 million to its creditors, lawyers and advisers as part of the restructuring.

The supplier would reportedly be on the hook for 160 million in fees, plus 285 million in accrued interest owed to creditors, which include institutional investors such as US hedge funds Elliott Management and Silverpoint Capital.

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