Hi guys, I've been following this thread for a little while now, as I've also been very nervous about getting my passport back in time to go on holiday.
Thought I'd share some positive news about my online adult renewal sent to Peterborough. I applied on June 14th, sent the form I printed off on June 16th and 5 days later the online status finally changed to "recieved".
After checking the online status today, it has changed to "dispatched" so hopefully it'll be on its way very soon! (It's been 2 weeks and 3 days)
Hopefully it'll be this fast for everyone now. :)