5th November 2015 (2)
12th November 2015 (4)
19th November 2015 (7)
26th November 2015 (9)
Collated by MiddleEnglander
There were 22 by-elections for 23 seats during November with 10 seats (43%) changing hands. The results can be summarised by:
| Party | Candidates | Defended | Retained | Gained | Lost | Won | retention rate |
| Conservative | 19 | 2 | 1 | 5 | 1 | 6 | 50% |
| Labour | 19 | 4 | 2 | 2 | 2 | 4 | 50% |
| Liberal Democrat | 14 | 5 | 2 | 3 | 2 | 40% | |
| SNP | 3 | 3 | 3 | 3 | 100% | ||
| Plaid Cymru | 6 | 2 | 2 | 1 | 3 | 100% | |
| UKIP | 12 | 1 | 1 | 0% | |||
| Green | 12 | 1 | 1 | ||||
| Independent * | 12 | 2 | 1 | 1 | 1 | 50% | |
| Ashford Independent | 1 | ||||||
| Llais Gwynedd | 2 | 2 | 2 | 0% | |||
| Selston Independent | 2 | 2 | 2 | 2 | 100% | ||
| Resident Association | 1 | ||||||
| Libertarian | 1 | ||||||
| People First | 1 | ||||||
| No Description | 1 | 1 | 1 | ||||
| Total | 106 | 23 | 13 | 10 | 10 | 23 | 57% |
12 Independents contested 10 by-elections
Conservatives gained 5 seats, 3 from Liberal Democrats, 1 each from Labour and UKIP whilst losing a seat to Labour
- gained Aberdeenshire UA, Huntley, Strathbogie & Howe of Alford from a Liberal Democrat,
a 4 member ward where Conservatives now have 2 seats to 1 each for SNP and an Independent
Conservative topped the poll in a two seat election with a swing from SNP of 4½% since 2012 and ~2% since 2007
- gained Ashford BC, Aylesford Green from Labour with a majority of 1 over UKIP
a single member ward won by Ashford Independents in 2003, Liberal Democrat in 2007 and Labour in 2011 and 2015
swing Labour to Conservative around 5% since both May this year and 2011
- gained Norfolk CC, Watton from UKIP who did not contest the seat but with the Liberal Democrats supported an Independent who is a District Councillor
Conservatives won the seat in 2005 and 2009 before losing in 2013 to UKIP 33.5% to 27.5% with the Independent on 23.6%
the by-election had Conservative on 45.6%, 1.6% ahead of the Independent with Labour and a Green on 5.8% and 4.5% respectively
- gained Surrey CC, Epsom West from a Liberal Democrat in a new seat created in 2013
a close 4 way finish with only 34 votes separating Conservative Resident, Liberal Democrat and Labour
but with an 8% swing Liberal Democrat to Conservative
- gained Wiltshire UA, Salisbury St Edmund & Milford from a Liberal Democrat
on a swing of ~18% since 2013 and ~24% since 2009
- but lost Rochford DC, Rochford to Labour by a majority of 4
a 3 member ward where Conservatives won every year, sometimes only narrowly, since 2004 apart from 2014 when Labour gained a seat
swing Conservative to Labour ~5½% since both May and 2011, when long standing Conservative Councillor was re-elected
but ~1¼% Labour to Conservative since 2014
In addition to gaining one seat and losing one seat to the Conservatives, Labour also
- gained Bridgend UA, Ogmore Vale from an Independent
a single member ward won by Plaid Cymru in 2004 and Labour in 2008
- lost Dorset CC, Rodwell to a Green in a seat won by Labour in 2005 and 2013 and Conservative in 2009 when a Liberal Democrat was close runner-up
successful Green candidate was Labour Councillor elected in 2005 and came close third behind Labour and Conservative in 2013
by-election had Green ~5½% majority over Conservative who was ~7½% ahead of Labour in third.
In Gwynedd there were two changes:
- Plaid Cymru gained Llanaelhaearn from Llais Gynedd on a swing of 30% since 2012
- No Description gained Pwllheli South from Llais Gwynedd in a seat Plaid Cymru was unopposed in 2004
late Councillor was member of lifeboat crew who won in 2008 and 2012 but llais gwynedd polled only 8.3% in by-election
