Multibillion-pound claim formally launched against top UK housebuilders

By Daniel Gayne2026-06-30T11:55:00

Source: Shutterstock

Class action claim alleges non-competitive behaviour impacted homebuyers between 2015 and 2026 and seeks up to £4.5bn in compensation

A consumer advocate has launched a multi-billion pound claim against the UK’s largest housebuilders over alleged anti-competitive behaviour.

Mark McLaren, formerly part of the campaigns team at Which?, has brought a claim on behalf of more than 700,000 people who bought a new build home in the UK between October 2015 and 24 June 2026.

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