my hair

I really really need to cut my hair what to do that to do..I know that i can go to the hairdresser but i don't know witch one to go to and i don't know witch one is good and they have like one in every corner...And in finsbury they only have barbershops and i would like to go to one but i don't know if the are good with my hair cause it's not afro..i need to get my hair done. I'm thinking of cutting my hair very short or let it grow that to do what to do??