Rhondda West

Labour hold / William John

	Party	Candidate	Votes	Percent	Change
	Labour	John, William	18,001	62.1%	N/A
	Unionist	Rowlands, Gwilym	10,990	37.9%	N/A
Majority			7,011	24.2%	N/A
Turnout			28,991	83.7%	N/A
Swing				N/A
Note: These results are in comparison to the previous General Election, not the 21 Dec 1920 by-election