Thanks for response but I have spoken to solicitor and they said 28 days before 3rd September 2020.

I am confused have they changed the rules

Hi, On May 23rd 2015 (stamped in passport) my wife arrived in the United Kingdom on a spouse visa (5 year route). Its now coming up to 23rd May 2020 and exactly 60 months (5 years) since she has been in the United Kingdom. Her Biometric Card card expires on the 3rd September 2020. How soon can I ...