Too late if I am as he asked this morning if he could go to the barbers (very close to our house and he walks past all the time on his way to the shop) and I said yes!
He's super proud of himself although acknowledges he struggled to explain what he wanted.
. It looks fine. At our local there are really only two hair styles (short all over, or short on sides and longer on top), with slight variations based on whether the sides are number 2 or number 5 so it's not like it had any chance of coming out crazy!