Got my PR this morning. Timeline,
1) Applied - 05-02-2018
2) First CO (Adam) contact - 12/10/2018 and asked for
a) Form 1399 - for both wife and myself - PROVIDED
b) English language ability - Had submitted the transcript and degree certificate. But asked again. provided Statutory declaration along with the academic transcript and degree certificate.
c) Immigration health examination for my 8-year-old daughter - PROVIDED
3) AFP Clearance was expired by 16/03/2019 for both me and my wife. Renewed and uploaded after the expiry
4) Grant - 11/04/2019 - CO -Sophorn
Followed the forum and was useful. If anyone needs any specific info, I am happy to share my experience.