1964-1968 There were no by-elections.
1968-1971 1971-1974 1974-1978 1978-1982 The by-election was called following the death of Cllr George Watt. The by-election was called following the resignation of Cllr William Hillhouse.
1982-1986 The by-election was called following the resignation of Cllr Peter Glasspool. The by-election was called following the death of Cllr Michael Page. The by-election was called following the resignation of Cllr Nancy Bone. The by-election was called following the resignation of Cllr Robert Dilley.
1986-1990 The by-election was called following the death of Cllr James Garwood. The by-election was called following the death of Cllr David Mason. The by-election was called following the resignation of Cllr David Williams. The by-election was called following the resignation of Cllr Kathryn Nicholls. The result meant that the Conservatives lost their one-seat majority on the council, placing the council under
no overall control until the next election. Since this by-election, the Conservatives have yet to win back majority control of the council. This was the first election ever contested by the
Merton Park Ward Residents Association, which had run in opposition to the council's proposed extension of the
A24 relief road.
1990-1994 The by-election was called following the resignation of Cllr Michael Menhinick.
1994-1998 The by-election was called following the death of Cllr David Proctor. The by-election was called following the death of Cllr Arthur Kennedy.
1998-2002 The by-election was called following the resignation of Cllr Terence Daniels. The by-election was called following the resignation of Cllr
Jennifer Willott.
2002-2006 The by-election was called following the resignation of Cllr Tony Giles. The by-election was called following the resignation of Cllr Leslie Mutch.
2006-2010 There were no by-elections.
2010-2014 The by-election was called following the resignation of Cllr Tariq Ahmad. The by-election was called following the death of Cllr Gam Gurung.
2014-2018 The by-election was triggered by the death of Cllr Maxi Martin of the Labour Party. The by-election was triggered by the resignation of Cllr
Imran Uddin of the Labour Party.
2018-2022 The by-election was triggered by the resignation of Cllr Mark Kenny of the Labour Party. The by-election was triggered by the resignation of Cllr Kelly Braund of the Labour Party.
2022-2026 The by-election was triggered by the resignation of Cllr
Natasha Irons of the Labour Party. The by-election was triggered by the resignation of Cllr
Helena Dollimore of the Labour Party. ==References==