Swansea East

Labour hold / David Llewellyn Mort

	Party	Candidate	Votes	Percent	Change
	Labour	Mort, David Llewellyn	19,127	75.8%	N/A
	Liberal National	Harding, Rowe	6,102	24.2%	N/A
Majority			13,025	51.6%	N/A
Turnout			25,229	74.7%	N/A
Swing				N/A
Note: These results are in comparison to the previous General Election, not the 5 Feb 1940 by-election