I submitted my biometrics for ILR at London Premium centre on 14/11/18.
Still got no decision or communication.
From some other posts I understand that most decision in super priority category are being made in 24 hours but reply/decision/BRP being sent by post, which takes usually three working day.

Many thanks for update. Its frustrating that we were not given this simple information that we will receive our outcome by post !! I submitted my biometrics for ILR at London premium lounge on 14/11/2018. The agent just told me that UKVI will communicate with me. I was anxiously waiting and checking...