I have been anxiously following this and the previous thread for the last few weeks and thought I would share my experience to give others some hope.
I sent DD's child renewal via check and send on June 4th
Received text saying it had been received June 10th
Called 0300 on June 25th as it had been 3 weeks since I had sent it and we travel July 15th. Was told that it was at Durham awaiting examination and that I should not contact them until it had been 3 weeks since they received it not from me sending and that they would do nothing until 7 days before I travel.
Received text this morning June 27th to say passport is being printed and should arrive within next few days.
So it has been 17 days between them receiving it and it being printed and hopefully it should arrive next week, within 4 weeks of me sending it.
Fingers crossed that everyone gets theirs back on time. Just wanted to share a more positive story to try and allay some fears. The feeling of not knowing what is happening is awful, I have been feeling so anxious this week, I nearly cried when i got the text!