Barnet moved within 10 points of the Vanarama National League summit courtesy of a 2-0 Boxing Day victory at Southend.
With leaders Chesterfield losing, Barnet consolidated third place by collecting three points at Roots Hall.
Reece Hall-Johnson opened the scoring with four minutes on the clock as his deflected effort put the visitors ahead.
The triumph was wrapped up 12 minutes from time when Harry Pritchard hammered in a penalty after Nicke Kabamba had been fouled by Southend goalkeeper Collin Andeng Ndi.
