The 24-year-old’s body was found at an address in Etherington Street, Gainsborough, on 17th January 2014.
The trio - two men and a woman - were arrested on Wednesday and charged on Friday night. They will appear before Lincoln magistrates today.
Martynas Kupstys, 25, of Aegir Close, Gainsborough and Andrus Giedraitis, 29, of Riseholme Road, Gainsborough are both charged with murder and perverting the course of justice.
Sandra Giedraityte, 28, also of Aegir Close is charged with perverting the course of justice.