Before (end of 2014) (49 seats, Elections Centre)
Conservative 34 · Labour 12 · Liberal Democrats 3 · Other 0
After (end of 2015) (49 seats, Elections Centre)
Conservative 36 · Labour 11 · Liberal Democrats 2 · Other 0
Ward results
Arbury1 seat · turnout 79.7%
| Janine Ann Paterson | Conservative | 1,066 ✓ |
| Jane Smith | Green | 214 |
| Michael Lott | Liberal Democrats | 191 |
| Rhona Cameron | Labour | 174 |
Baldock Town1 seat · turnout 65.2%
| Michael Muir | Conservative | 2,081 ✓ |
| Wayne Thornton | Labour | 768 |
| Brian Cyril Munnery | UK Independence Party (UKIP) | 533 |
| Arwen Tapping | Green | 402 |
Cadwell1 seat · turnout 71.8%
| Harry Spencer-Smith | Conservative | 770 ✓ |
| Dave Winstanley | Labour | 261 |
| Rosamund Brigid McGuire | Green | 141 |
| John White | Liberal Democrats | 131 |
Chesfield1 seat · turnout 68.2%
| Cathryn Henry | Conservative | 1,682 ✓ |
| Simon Watson | Labour | 647 |
| Terry Tyler | Liberal Democrats | 564 |
| Colin Rafferty | UK Independence Party (UKIP) | 497 |
| Felicity Ann Power | Green | 149 |
Ermine1 seat · turnout 76.4%
| Gerald Edward Morris | Conservative | 1,146 ✓ |
| Mark Alister Gamon | Green | 376 |
Hitchin Bearton1 seat · turnout 72.3%
| Judi Billing | Labour | 1,960 ✓ |
| Peter Saville | Conservative | 1,365 |
| Stuart Alder | Liberal Democrats | 484 |
| Martin Burke | Green | 465 |
| Allan Newey | UK Independence Party (UKIP) | 283 |
Hitchin Highbury1 seat · turnout 74.9%
| Nicola Jane Harris | Conservative | 1,791 ✓ |
| Patrick Clark | Liberal Democrats | 1,409 |
| Araminta Birdsey | Labour | 687 |
| Jeremy Groves | UK Independence Party (UKIP) | 350 |
| Mark Whitby | Green | 326 |
Hitchin Walsworth1 seat · turnout 70.2%
| Bernard Lovewell | Conservative | 1,710 ✓ |
| Elizabeth Dennis-Harburg | Labour | 1,332 |
| Richard Alexander Cano | Green | 533 |
| Peter Croft | UK Independence Party (UKIP) | 388 |
| Andrew Ircha | Liberal Democrats | 310 |
Hitchwood Offa & Hoo1 seat · turnout 76.7%
| David Barnard | Conservative | 2,486 ✓ |
| Nicola Yates | Labour | 550 |
| Gary John Jones | UK Independence Party (UKIP) | 543 |
| Rick Cadger | Green | 353 |
| Peter James Johnson | Liberal Democrats | 343 |
Letchworth Grange1 seat · turnout 66.8%
| Paul Marment | Conservative | 1,547 ✓ |
| David Kearns | Labour | 1,270 |
| Andrew Scuoler | UK Independence Party (UKIP) | 474 |
| Elizabeth Susan Hancock | Green | 298 |
| Martin Geoffrey Penny | Liberal Democrats | 224 |
Letchworth South East1 seat · turnout 65.2%
| Julian Cunningham | Conservative | 1,717 ✓ |
| Martin John Stears-Handscomb | Labour | 1,193 |
| Sidney Arthur Start | UK Independence Party (UKIP) | 535 |
| Sam Evison | Green | 270 |
Letchworth South West1 seat · turnout 70.8%
| Lynda Ann Needham | Conservative | 2,128 ✓ |
| Jean Andrews | Labour | 774 |
| Mario May | Green | 557 |
| Rebecca Greener | Liberal Democrats | 458 |
| Jayne Barry | UK Independence Party (UKIP) | 431 |
Royston Heath1 seat · turnout 70.7%
| Peter Burt | Conservative | 1,560 ✓ |
| Kenneth Garland | Labour | 499 |
| David May | Liberal Democrats | 411 |
| Sean Ulick Howlett | UK Independence Party (UKIP) | 370 |
| Katherine Marie Shann | Green | 216 |
Royston Meridian1 seat · turnout 73.9%
| Tony Hunter | Conservative | 1,924 ✓ |
| Robin Todd | Labour | 442 |
| Joe Jordan | Liberal Democrats | 381 |
| Karen Harmel | Green | 285 |
Royston Palace1 seat · turnout 64.8%
| Jeannette Matelot Green | Conservative | 1,155 ✓ |
| Amy Bourke | Labour | 634 |
| Gemma Margaret Rosina Hughes | UK Independence Party (UKIP) | 461 |
| Gerald Jackson | Liberal Democrats | 236 |
| Angela Clark | Green | 177 |
Weston and Sandon1 seat · turnout 78.6%
| Steve Jarvis | Liberal Democrats | 751 ✓ |
| Leighton Hughes | Conservative | 427 |
| Annmarie Brinsley | Green | 124 |