In the first season of competitive football since the end of the First World War in November 1918, Brentford consolidated with a mid-table finish.

[2] Four years of war meant that secretary-manager Fred Halliday needed to rebuild and expand his squad, with prolific forwards Henry White and guest Jack Cock having left the club, in addition to full backs Jack Peart, Dusty Rhodes and half back Bill Stanton.

[2] The only survivors of Brentford's final pre-war squad who made appearance during the 1919–20 season were goalkeeper Ted Price, half back Tom McGovern and outside left Patsy Hendren.

[5] While manager Fred Halliday was able to field a more or less a settled XI, numerous players were tried in the centre forward position before the arrival of Bert Spreadbury in February 1920.

[5] Despite scoring four goals in his first five appearances, Spreadbury failed to help the team gain any consistency and Brentford finished the season in 15th position.