hi Owais and Han,
My application to London office was:
Sent July 23, 2018
Received July 26, 2018
Started processing on October 27,2018
Iam still waiting, haven't called them, just waiting...
Your 1 year has completed now. Give them a call may be and see what they are up to. They may give you a tentative date over the phone which could be confirmed later.