5 May 2011 Con 51, Independent 4, Lib Dem 1, Old Windsor Residents’ and Ratepayers’ Association 1
3 April 2015 Con 46, The Group of Five 5 (Lib Dem 3, Independent 1, Old Windsor Residents’ and Ratepayers’ Association 1), West Windsor Independent Group 3, UKIP 2, Independent 1
The three Independent councillors representing Clewer North ward subsequently styled themselves as West Windsor Independent Group.
11 August 2011 – Eton Castle – Lib Dem gain from Con George Fussey (Lib Dem) elected Caused by the resignation of Liam Maxwell (Con), following his appointment as an advisor on “ICT Futures” to the Cabinet Office
On 21 March 2012, it was reported that Catherine Bursnall (Castle Without) and Tom Bursnall (Clewer East) had defected from Con to UKIP. They were disappointed with George Osborne’s budget, in which he reduced the higher rate of tax from 50p to 45p and not 40p. “We were really hoping the Tories would stick to what Conservatives are meant to stand for, but they didn’t”.
25 October 2012 – Pinkneys Green – Lib Dem gain from Con Simon Werner (Lib Dem) elected in the Maidenhead ward Caused by the death of Wilson Hendry (Con), who had served as a councillor continuously since 1991, as a Liberal Democrat until 2010 and then as a Conservative
24 July 2014 – Clewer North – Con hold Wisdom da Costa (Independent) elected Caused by the death of Cynthia Endicott (Independent), who had served continuously since 1995
On 11 August 2014, it was reported that Peter Lawless (Eton Wick) had resigned from the Conservative Group, after pleading guilty to benefit fraud offences at Slough Magistrates’ Court. He did not declare his council member’s allowance, when claiming housing benefit. The Conservative Group had already suspended him, when he was charged. He now sits as an Independent.
11 December 2014 – Cox Green – Con hold Ross McWilliams (Con) elected Caused by the resignation of Alan Mellins (Con), after apologising profusely for a remark made during a public meeting in a discussion on the subject of travellers and how to evict groups who are illegally camped on land.
Con full slate LD full slate apart from Clewer North, Eton Wick, Old Windsor, Sunninghill & South Ascot (2/3) Labour at least one in every ward except Eton & Castle Some Greens, UKIP, Indies, Flood Prevention Party