ΔE 21.5, loose: different enough that you should pick on purpose. English Uniform is noticeably lighter, much more saturated, cooler than Burnt Umber.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). English Uniform is noticeably lighter, much more saturated, cooler than Burnt Umber.
The same difference applies the other way round: Burnt Umber is noticeably darker, much more muted, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Burnt Umber on the colour wheel See English Uniform on the colour wheel
All matches: Burnt Umber equivalents · English Uniform equivalents