I am trying to remember the name of a movie from the late 80's early 90's about 3 friends, murder, and money. There's a scene with the money buried under the floor boards. It's similar in style to "A Simple Plan", but it has English Actors. Can someone help me out?

It could be "Shallow Grave" from 1994

http://www.imdb.com/title/tt0111149/

It IS "Shallow Grave" and it's EXCELLENT!