I have received my passport this morning and I wanted to share my wait times below.
Hope this is helpful!
London application:
Passport printed and sent 10:17am on 12 October 2021
Application approved 7:22am on 12 October 2021
Documents received 12:25pm on 21 September 2021
Application received 11:28pm on 12 September 2021
Application submitted 11:27pm on 12 September 2021