Shares of British homebuilders plummeted following finance minister John Healey's budget speech about housing initiatives. The delays surrounding the launch and funding of the awaited 'Your First Home' scheme have analysts worried that it won’t receive long-term financial support. Prominent companies like Barratt Redrow, Taylor Wimpey, and Persimmon experienced sharp declines, which could further hinder the timeline for new site developments that builders are eager to pursue.