Lost my Keys to the gaming room

[VadimCr]

Lol! I've build myself a gaming room 2 years ago, I decided to lock it as I have 2 kids and there was situations when my kids got into this room, playing with my stuff and playing PS. Well, I do not see anything bad in this and I was never against it, but they broke some stuff, really important to me and I've asked them to play carefully cuz I do care about these things. So, Now I've lost my keys, and I do not know what to do, I've tried to unlock it using a fork, a needle a god's blessing but I can't. Should I call a locksmith? if yes, where should I find it. I am situated in tower hamlets locksmith