He'd best look for cowboy styled or hunter-jumpers, not Brit pop, plus at 44, he's a bit too old for that style anyway!
What's wrong with a pair of Cole Haan loafers for a dress down look?
If you go to the back of the heel, it is 3”. If it isn’t 3”, it is in the 2.5” to 3” range.
Confirmed this. He is wearing a cuban heel: