Old Bexley and Sidcup is a UK parliamentary constituency situated wholly within the London Borough of Bexley. The seat's incumbent MP since the 2001 general election is Derek Conway of the Conservative Party, who won the selection contest after Sir Edward Heath, who had held it since 1950, announced his retirement at the end of the previous parliament.

Results

2001 UK general election

Name	Party	Votes	%	+/- %
Derek Conway	Conservative	19,130	45.4	+3.4
Jim Dickson	Labour	15,785	37.5	+2.4
Belinda Ford	Liberal Democrat	5,792	13.7	-2.4
Janice Cronin	UK Independence	1,426	3.4	+2.4
Majority		3,345	7.9
Turnout		42,133	62.1	-13.4