Net gains/losses of councillors in the May local elections between 2006 and 2021
Year
Liberal Democrats
Conservatives
2006
2
316
2007
−255
932
2008
34
256
2009
−2
244
2010
−132
−121
2011
−748
86
2012
−336
−405
2013
−124
−335
2014
−310
−236
2015
−411
541
2016
45
−48
2017
−42
563
2018
76
−35
2019
704
−1,330
2021
8
235
