Every active civil servant now builds up pension in alpha, a career average scheme that grows by 2.32% of pensionable pay each year, with a normal pension age equal to State Pension age (or 65 if later). The older classic, classic plus, premium and nuvos sections closed to new accrual on 31 March 2022.
alpha - Career average (defined benefit) - 2.32% of each year of pensionable pay; open to all...
nuvos - Career average (defined benefit) - 2.3% of each year of pensionable earnings; closed to new...
premium - Final salary (defined benefit) - 1/60th of final salary per year of service; closed to...
classic plus - Final salary (defined benefit) - 1/80th plus a 3/80ths lump sum for early service,...
classic - Final salary (defined benefit) - 1/80th of final salary per year of service plus a...

freedomisntfree.co.uk/guides/civil-service-pension-uk