'If height is an indicator of social conditions in childhood, including nutrition, is it possible that social conditions for children in the UK are worse than in many other countries and deteriorated during the decade after 2010?

It is highly plausible.'

https://www.theguardian.com/commentisfree/2023/jun/25/britains-shorter-children-reveal-a-grim-story-about-austerity-but-its-scars-run-far-deeper