@ANS1
Over the phone they stressed it was in date order. They thought it could potentially be the date of ukvcas site registration. But husband registered almost instantly with them. They also took our phone number to follow up the idv invite with us in the coming week- not sure if we should be worried or take it as a courtesy call?!
I would not worry too much at this stage. Hopefully, you will get an invite before 7th Sep. Otherwise, pretty certain the email address provided in the previous post will work. Do not bother with phone calls.
On a lighter note, do not stress yourself too much. Let me explain you why.
Scenario 1 example (pre-covid):
You applied in July. You got an appointment for biometrics the next day. UKVI standard processing time could be 6 months after biometrics i.e. Jan 2021.
(excluding super-priority - Note not every visa category has this super-priority option in the first place).
Scenario 2 (post-covid, that is valid in your case).
You applied in July. Biometrics are delayed. You submit biometrics in September. Lets say, you get a decision within 2-3 weeks after submitting biometrics (which is the case reported these days). So your done by Oct/Nov 2020.
HO seems to meet the 6 months standard processing one way or the other. I would urge you not to stress yourself unnecessarily as it will affect your own health.
PS I know the frustration is being left out of date order but if you see the whole picture maybe you will stress less. Just trying to make you feel better.
Good luck