The onus is on the individual certificate holder to get their renewal in before the expiry date,if people get their reminders and put it in the to be actioned tray then forget,how are the police responsible for the last minute return.
I am not arguing the point that the police couldn't turn around a renewal in two weeks,but if we all leave it till the last minute how is that going to impact us as users of the system.
Both of the force areas I have lived in if you ring and ask about grant/renewal/variation will tell me that the guidance they have been given is to say sixty days.
Now my original grant took four weeks,variation seven days and my renewal/SGC grant took four weeks also,both with different forces.
Not making excuses for the police but they have other people to see,some departments have some part time FEO's,people go on holiday are ill,trends in the renewal cycle.
All these things will impact on the speed at which they can do things, they advise sixty days so that people will not be left in limbo,if people leave it till last minute.com then they can't winge.
All that said I don't believe the op was calling the speed at which his FLO was working into question he asked what he should do as his cert had expired,he then lodged the weapon with a dealer which is to me the best option he had.