The by-election in Rochester and Strood on 20 November 2014 was the 21st since the 2010 General Election. UKIP took the seat from the Conservatives with a majority of 2,920, pushing the Conservatives into second place.Jump to full report >>
This research briefing sets out results of the 21 by-elections held during the 2010-15 Parliament.
Results for previous by-elections for parliaments since 1997 are available on the Parliament website.
Commons Briefing papers SN05833
Authors: Steven Ayres; Oliver Hawkins; David Hough; Mark Taylor
The House of Commons Library provides research, analysis and information services for MPs and their staff.