Distress and inconvenience were recorded in nearly two-thirds of all complaints upheld by the Financial Ombudsman Service in 2023, for home, motor, travel and pet insurance. Delays are also at a five-year high. Which? investigates the harm being caused to consumers

Over the next two decades, households will have to make significant changes to the way that they heat their homes in order to meet the UK's net zero commitments. Installing new heating and insulation can be costly and complex so it is important that consumers can easily find reliable and qualified installers. This report calls for the government to introduce mandatory certification of installers in these markets to make the process of choosing an installer easier, improve the quality of installations and protect consumers from harm

Which?'s latest research looking into consumers' perspectives on online marketplaces and their views on safety responsibilities

This is our election manifesto, covering the key reforms we believe the next government should bring forward to improve consumer outcomes and boost economic growth