In a nutshell :
Before
Third country (including UK since 01.01.2021) minimum lump sum agreement : CHF 700'000.-
After
Third country (including UK) minimum lump sum agreement if < 55 y.o. : CHF 700'000.- (no change)
Third country (including UK) minimum lump sum agreement if > 55 y.o. : CHF 500'000.- (new)
For a couple, only one member must meet the age condition. For more information, you can contact directly Louis.