A class action lawsuit is being brought in Great Britain against seven major housebuilders over claims that their conduct led to higher prices for new-build homes. Multiple reports say the potential compensation value is about £4.5 billion, with some outlets describing the total as “more than” £4 billion and estimating an individual-level payment potential of roughly £6,200 for eligible claimants.

The claim is brought on behalf of more than 700,000 people who bought new-build properties during a specified period from October 2015 to 24 June 2026. The legal argument presented by the reporting includes allegations of overcharging and anti-competitive or collusive behaviour that forced buyers to pay inflated prices.

The companies named across the coverage include Barratt, Bellway, Berkeley Group, Persimmon, Taylor Wimpey, Vistry Group (including its Countryside Partnerships division) and Bloor Homes. One report also states the action is led by Mark McLaren, described as a former legal affairs manager at consumer group Which?. Some outlets note that the news of the litigation has affected share prices for the firms involved.