It goes without saying that uncertainty has been a major fixture of the business water sector, which has caused companies unsure of how to reduce the increase in their water bills to seek out specialists to audit their use and find the best deals for them.
Following the tipping point of public fury in 2024, which led to a report into the future of the water sector and the demise of industry body Ofwat, as well as a calamitous financial death spiral for the UK’s largest water company.
Following several near misses and a takeover bid dropped at the due diligence stage, the existing plan for a takeover bid with some concessions from the UK government, Ofwat and Defra is once again threatened by uncertainty, according to The Guardian.
Given that it appeared to be close to a done deal, what has happened in May 2026 to change the path of the deal, and could the deal falling through have ramifications for the entire sector?
What Was The Thames Water Takeover Deal?
Following the collapse of a £4bn rescue deal led by private equity firm and barbarians at the gate, KKR, as reported by BBC News at the time, the only market-led offer on the table is led by London & Valley Water, a group of creditors to whom Thames owes billions of pounds.
As The Guardian reports, the L&VW deal has proven controversial, with a particular point of contention being an increase in bills, a grace period for future fines, a payment plan for existing ones and immunity from regulatory compliance for at least ten years.
The reasons why the deal has proven so controversial are somewhat self-evident; it would not only be a return to owners who include “the most feared investor in the world” but would require significant leniency to allow the company to continue to pollute on an unprecedented scale.
Whilst the takeover is unpopular, it has gotten close to being agreed, with L&VW having the leverage that the government wants to avoid nationalisation at all costs.
However, could this potentially change?
Why Is The Takeover Deal In Doubt?
In May, a cascade of events led to what appeared to be an agreed but unsigned deal in much greater doubt than expected.
The collapse in support for the incumbent Labour Party in the May local elections has led to an internal reckoning at the top of government, and the potential for a significant reshuffling of people in the corridors of power brings with it a change in priorities.
A few weeks after the election and with discontent amongst the party, current Prime Minister Keir Starmer is expected to be challenged by Mayor of Greater Manchester Andy Burnham, should he win a byelection in the Manchester constituency of Makerfield.
Whilst Mr Burnham has not published a complete policy platform, he has, in an interview with Channel 4 and reported by The Guardian, noted that more industries need to be under public control.
In Greater Manchester, he established the Bee Network, a combined transport network with local bus services completely under the control of local authorities. This has drastically reduced fares to £2 per journey within Greater Manchester.
As well as transportation, he specifically noted that housing, energy and water should be under public control, as the practice of privatisation and deindustrialisation has cost people and businesses far more than has been saved.
This has led to concerns from investors in water companies, and share prices in publicly traded water firms such as United Utilities and the owners of South West Water fell in response to the announcement that he would attempt to return to Parliament.
With so many distractions at the top of the negotiation table, what happens if the deal falls through or is not completed in time?
What Happens If The Thames Water Takeover Falls Through?
At present, Thames Water has until October or November before they run out of funding and goes bankrupt.
As any agreed deal would take at least three months to complete between final negotiations, a six-week consultation, and at least a month to collate, interpret and publish results, this leaves very little time to get a deal over the line.
If Ofwat, the government and L&VW agree to the deal on 19th June, the day after the Makerfield by-election and assuming Andy Burnham loses it, the deal could theoretically be finalised by the start of September 2026.
If Mr Burnham wins, however, then a leadership challenge would be triggered, which would lead to further delays to this timeline and Thames Water heading closer to bankruptcy.
If Thames Water runs out of time or there is a sudden liquidity crisis, then the company would fall into a Special Administration Regime, which is where the government takes temporary arms-length control, restructures its debts and decides what to do next.
It could be quickly putting it up for sale, as happened with Bulb Energy, or it could be a full nationalisation, as appears to be the case with British Steel.
