Combi must have been hit - according to reputable panel beater..

Update from SUK on this is.

Officially, the bottom boot lip to bumper top should be 4mm with 1mm tolerance so 4-5. Which mine is. on the left...... On the right it is 8-9mm away from the bumper!

I've fitted a boot sill protector, but it's still there, so will have to see what dealer says. It doesn't bother me all that much, and may be fixable with hinge adjustment I guess..