Hello there, Cheekee. This is the link from UKVI about visa processing times

https://visa-processingtimes.homeoff...ment-visas/all

Settlement Visas

Settlement
Most applications are processed within 60 days.

Number of days to process application 10 days 15 days 30 days 60 days 90 days 120 days
% of applications decided 9% 9% 65% 98% 98% 98%

You don't need to send your actual passport just a certified copy of it.

Good luck!