There were 49 by-elections during June, July and August 2014 with 20 (41%) changing hand or 18 (37%) excluding 2 Lincolnshire Independent (classed as a Resident Group) gains from Independent. The results can be summarised by:
| Party | Candidates | Defended | Retained | Gained | Lost | Won | retention rate |
| Conservatives | 49 | 14 | 9 | 4 | 5 | 13 | 64% |
| Labour | 44 | 13 | 12 | 5 | 1 | 17 | 92% |
| Liberal Democrats | 29 | 8 | 4 | 3 | 4 | 7 | 50% |
| SNP | 2 | 2 | 2 | 0% | |||
| Plaid Cymru | 1 | ||||||
| UKIP | 41 | 3 | 2 | 3 | 2 | 0% | |
| Green | 22 | 2 | 1 | 1 | 1 | 2 | 0% |
| Resident Groups * | 3 | 3 | 3 | ||||
| Independents ** | 21 | 7 | 3 | 2 | 4 | 5 | 43% |
| No Description | 2 | ||||||
| Blue | 1 | ||||||
| BNP | 1 | ||||||
| British Democrats | 1 | ||||||
| English Democrats | 1 | ||||||
| Liberal | 1 | ||||||
| Mebyon Kernow | 2 | ||||||
| Patriotic Socialist | 1 | ||||||
| TUSAC | 3 | ||||||
| Total | 225 | 49 | 29 | 20 | 20 | 49 | 59% |
* Lincolnshire Independents and Its Our County in Herefordshire
** 21 Independents contested 16 seats
The Conservatives contested all the by-elections, Labour 90% and the Liberal Democrats 59% with UKIP contesting 84% and Greens 45%.
Although 20 seats changed hands during the three months, just 5 were between Conservatives, Labour and Liberal Democrats
- Conservatives gain Broadland, Wroxham from Liberal Democrats
- Labour gain Charnwood, Thurmaston from the Conservatives and Craven, Skipton West from the Liberal Democrats
- Liberal Democrats gain Cornwall, Illogan and Maidstone, Staplehurst from the Conservatives
Conservatives gain seats from Liberal Democrat in Broadland, Independent in East Cambridgeshire, Green in Kings Lynn & West Norfolk and UKIP in Cornwall
- whilst losing 2 seats to the Liberal Democrats in Cornwall & Maidstone and 1 to Labour in Charnwood and 1 each to Green & Its Our County in Herefordshire
Labour gain seats from Conservatives in Charnwood, Liberal Democrats in Craven, SNP in South Lanarkshire and 2 from UKIP in Merthyr Tydfil & Redditch
- whilst losing a seat to UKIP in Doncaster
Liberal Democrats gain 2 seats from Conservatives in Cornwall & Maidstone and 1 from Independent in Northumberland
- whilst losing a seat to Conservative in Broadland, Labour in Craven, UKIP in Worthing and another to Independent in North Yorkshire
Independents gain a seat from the Liberal Democrats in North Yorkshire and one from SNP in Argyll & Bute
- whilst losing 2 seats to Lincolnshire Independents in North Kesteven, 1 to Conservatives in East Cambridgeshire and 1 to Liberal Democrats in Northumberland
UKIP lose 2 seats to Labour in Merthyr Tydfil and Redditich and 1 to the Conservatives in Cornwall
- whilst gaining a seat from Labour in Doncaster and another from Liberal Democrats in Worthing
Greens gain a seat from the Conservatives in Herefordshire but lost another to the Conservatives in Kings Lynn & West Norfolk
SNP lose a seat to Labour in South Lanarkshire and another to Independent in Argyll & Bute
Its Our County gain a seat in Herefordshire from Conservatives along with Lincolnshire Independents 2 seat gain from Independents in North Kesteven
