The firm was unable to cope during high demand, Ofwat says, leading to "immense stress" for customers.
It is also the first time the target has been lowered since it was cut to "around 5%" in 2023.
The interest rate set by the Bank of England affects mortgage, loan and savings rates for millions.
If oil prices remain high for some time, the knock-on effects could affect the costs of fuel and food
Experts have warned that if oil and gas prices remains elevated it could make goods and services more expensive.
Has online privacy become "a luxury not a right" for us all in 2026?
The billionaire is accused of misleading investors in the run-up to his 2022 Twitter purchase.
Scott Bessent says that "likely sometime this week" the US will increase its global tariff on imports from the existing 10%.
The case is the first wrongful death case against Google over alleged harms caused by Gemini.
The region has been positioning itself as an AI hub, following billions of dollars in investment by tech giants.
Wages are forecast to go up over the next five years but you could pay more tax because of frozen thresholds.
James Watt apologises to staff and investors after hundreds of jobs were lost with the sale of the brewer and pub chain.
We look at the different circumstances that affect you if you're due a refund for cancelled or delayed flights.
The US President said he was taking steps to keep energy supplies flowing as oil and gas prices continued to surge.
Among the data and projections are key figures that shine a light on prospects for your finances.
There are measures, announced ahead of the chancellor's Spring Statement, yet to take effect.
Trump lashed out after Spain barred the US from using its military bases to carry out strikes on Iran.
Markets react as the conflict in the Middle East intensifies and concerns grow over how long it will last.
People in their 20s and 30s tell the BBC how they feel about their finances as the chancellor delivers her Spring Statement.
Chief Executive Sam Altman said the group would prohibit the use of its systems to spy on Americans.
The forecasts were made before the conflict in the Middle East broke out which could have a "very significant" impact, the OBR said.
The incidents highlight the vulnerability of key technology infrastructure during military conflicts.
Beverage and cannabis company Tilray acquires the brewery, the brand and 11 bars after Brewdog went into administration.
The majority of flights to key Middle Eastern hubs have been cancelled for Monday as the conflict continues.
Discussions over what measures to implement to protect children's wellbeing will last for three months.
The cost of renting privately has surged in the last five years, but tenants may now see a slowdown.
Chancellor Rachel Reeves updates MPs on her plans for the economy, as the latest forecasts are unveiled.
Origami techniques can add strength to structures without adding bulk.
The boss of the Bombay Stock Exchange was recently targeted in what is a growing global problem.
Connecting up music and sports events to the internet is a massive undertaking.
Soft drinks company Twig's Beverage has a loyal following for its old-fashioned approach.
Europe lags far behind the US and China in orbital space launches, but new facilities are opening up.
Jobs are available on the icy continent for chefs, plumbers, carpenters and even hairdressers.
India's mango farmers are being urged to innovate as climate change makes cultivation "unpredictable".
During winter in Britain fresh produce is sent by cargo ship from the West African nation every week.
Reddit says its human contributors are valued amid an internet awash with AI-generated content.
The US president wants American energy firms to start extracting the crude but they are reluctant.
Developing a durable and affordable hand is one of the biggest challenges in robotics.
The industrialist and Manchester United co-owner has apologised over comments he made about immigration.
As hiring rates and job openings drop, some worry a tough job market could be here to stay.
The Netherlands has the lowest working hours in Europe, but some say it is harming its economy.
Even with sophisticated technology it is still difficult to detect fake foods.
Electricity prices on the Isle of Man will rise by 1.5%, while water and sewage goes up by 2.9%.
Analysis shows that most private renters live with less than what is needed for day-to-day life.
Gas prices in the Ten Towns area will fall by just over 10% in April.
UK Inflation has dropped back from record highs but remains above the Bank of England's 2% target.
There is a fine balance between the benefits of improved infrastructure, versus the cost of disruption. Does the country have it right?
Parts of Britain’s rail network will close for engineering work over the festive period - but is that the right time to do it?
Three days in, after a tax U-turn and partial climbdown on workers' rights, Laura Kuenssberg looks at what impact Budget week might have.
Ahead of this week's Budget, some have accused the Office for Budget Responsibility of being a "straitjacket on growth"
Why - in an age where so many of us are feeling the financial pinch - are some budget shops on UK high streets having such a tough time?
The billionaire says "anti-semitism is always in the air" with parallels to the persecution his ancestors faced.
Professor Ha-Joon Chang, “a hungry economist” explores why economics matters.
Martin Lewis explains what the upcoming change to the energy price cap means for your bills.
Karen has not only left the family in emotional turmoil but also in serious debt.
Typical household energy bills will fall by 7% in April, regulator Ofgem has announced, following a shake-up in charges by the government.
The United States is a rich market but navigating its regulations can be expensive and difficult. The Transatlantic Trade and Investment Partnership (TTIP) will simplify the whole process of exporting, making it cost-effective to do business in the US no matter what the size of your company
UKTI’s High Value Opportunities programme aims to help UK companies of all sizes win business from large overseas projects
How UKTI can help your business grow internationally