"England revived hopes of retaining their RBS Six Nations title with a gripping victory at Twickenham.
But the world champions were given a major scare by a resurgent Welsh outfit which fought back from 16-9 down to take a 21-16 lead.
Ben Cohen's second try levelled matters and Joe Worsley's late score sealed victory, Olly Barkley adding 16 points.
Gareth Thomas and Mark Taylor both crossed for Wales and Stephen Jones kicked 11 points but it was not enough.
While the visitors are left with a final home fixture against Italy, England will travel to Paris knowing victory should see them crowned champions.
The line-out woes that cost them dearly against Ireland were duly rectified, but the margin of victory was agonisingly close given their welter of possession. "