The seat was gained by Liberal Democrats candidate David White.
A by-election was held in Crowborough East on 21 January 2016 after the death of Conservative councillor Peter Cowie.
[4] The seat was won by Conservative candidate Philip Lunn.
A by-election was held in Chiddingly and East Hoathly on 20 July 2017 after the disqualification of Conservative councillor Barby Dashwood-Morris due to non-attendance.
[6] The seat was won by Conservative candidate David Watts.