I've been eyeing online a pair of black Edward Green Burhams but I'm not sure which will fit better: a UK 9.5 or a UK 10. Typically I wear between a US 10.5 and 11, or around 28.5-29cm. The actual measure of my feet (from heel to toe) is around 27cms. I've been looking at size charts online and there doesn't seem to be any definitive answers. Essentially, my final decision is still going to be a guess, but would it be better to guess larger or smaller? Any of you EG fans want to take a stab??