Why are housebuilders’ shares crumbling?

UK housebuilder shares have fallen sharply—but what’s driving the decline, and what could change next?

We break down the key pressures on the sector and what it means for investors.

The UK housing sector has struggled in 2026, with housebuilder shares among the worst performers in the FTSE 350. Rising interest rates, affordability challenges, and policy changes are all weighing on sentiment—but markets are forward-looking. So what needs to happen for a recovery?

In this video, AJ Bell Investment Director Russ Mould explains the bigger picture behind the downturn and explores whether this could present a longer-term opportunity for patient investors.

What this video covers:

• Why UK housebuilder shares are falling
• The impact of interest rates on housing demand
• Affordability challenges and wage growth
• Government policy changes (stamp duty, Help to Buy)
• Cost pressures and regulation in construction
• What could trigger a recovery in the sector