My timeline to give others an idea as found this really useful (mine was adult renewal but surname changed to married name)
TNT tracking shows delivery due 30th March
Passport printed 5:44am on 23 March 2022
Application approved 3:33pm on 18 March 2022
Documents received 1:45pm on 16 March 2022
Documents delivered by RM tracking 1st March
Application received 11:32am on 27 February 2022
Application submitted 11:32am on 27 February 2022
