Before (end of 2016) (77 seats, Elections Centre)
Conservative 45 · Liberal Democrats 16 · Labour 15 · Other 1
After (end of 2017) (78 seats, Elections Centre)
Conservative 51 · Liberal Democrats 18 · Labour 9 · Other 0
Ward results
Abbots Langley1 seat
| Sara Bedford | Liberal Democrats | 2,136 ✓ |
| Andrew O'Brien | Conservative | 950 |
| Joanne Victoria Cox | Labour | 456 |
| David Bennett | UK Independence Party (UKIP) | 150 |
| Ian Sturrock | Green | 86 |
| Michael Muir | Conservative | 1,850 ✓ |
| Ann Holland | Labour | 767 |
| Richard William Winter | Liberal Democrats | 716 |
| Rosemary Anne Bland | Green | 243 |
| Brian George Alderton | UK Independence Party (UKIP) | 223 |
Bedwell1 seat · turnout 31.6%
| Sharon Taylor | Labour | 1,735 ✓ |
| Michelle Mary Frith | Conservative | 1,277 |
| Andy McGuiness | Liberal Democrats | 179 |
| Victoria Snelling | Green | 145 |
| Mark Gentleman | TUSC | 53 |
Berkhamsted1 seat
| Ian Reay | Conservative | 2,018 ✓ |
| Nigel Taylor | Liberal Democrats | 1,922 |
| Siân Patricia Cusack | Labour | 422 |
| Paul Gregory De Hoest | Green | 410 |
| Amy Anderson | UK Independence Party (UKIP) | 100 |
Bishops Stortford East1 seat · turnout 33.4%
| John Wyllie | Conservative | 1,519 ✓ |
| Mione Goldspink | Liberal Democrats | 1,437 |
| Val Cooke | Labour | 458 |
| Madela Baddock | Green | 179 |
Bishops Stortford Rural1 seat · turnout 33.7%
| Graham McAndrew | Conservative | 2,090 ✓ |
| Calvin Laurie Horner | Liberal Democrats | 516 |
| Anthony Young | Labour | 388 |
| William Compton | UK Independence Party (UKIP) | 301 |
| David Woollcombe | Green | 151 |
Bishops Stortford West1 seat · turnout 31.3%
| Colin Bernard Woodward | Conservative | 1,894 ✓ |
| Riccardo la Torre | Labour | 747 |
| Bob Taylor | Liberal Democrats | 604 |
| Alex Daar | Green | 253 |
| Robert Joseph Patterson | UK Independence Party (UKIP) | 227 |
| Alex Daar | Green | 153 |
Borehamwood North1 seat · turnout 26.9%
| Susan Brown | Conservative | 1,406 ✓ |
| Leon Franklin Reefe | Labour | 1,133 |
| Lin Greenfield | UK Independence Party (UKIP) | 238 |
| Anne Denise Diamond | Liberal Democrats | 156 |
| Mark Pickersgill | TUSC | 18 |
Borehamwood South1 seat
| Alan Plancey | Conservative | 1,452 ✓ |
| Michelle Vince | Labour | 1,135 |
| David John Appleby | UK Independence Party (UKIP) | 263 |
| Edward Perchick | Liberal Democrats | 210 |
Bridgewater1 seat
| Terry Douris | Conservative | 2,226 ✓ |
| Sally Symington | Liberal Democrats | 1,018 |
| Luke Jordan | Labour | 432 |
| John Statham | UK Independence Party (UKIP) | 170 |
Broadwater1 seat
| Adam Mitchell | Conservative | 1,834 ✓ |
| Michelle Elaine Gardner | Labour | 1,445 |
| Tom Wren | Liberal Democrats | 270 |
| Richard Warr | Green | 132 |
| Helen Dorothy Kerr | Trade Unionist and Socialist Coalition | 61 |
Buntingford1 seat · turnout 32.5%
| Jeffrey Jones | Conservative | 2,281 ✓ |
| Steven Charles Stone | Labour | 391 |
| Carole Vivienne Luck | Liberal Democrats | 289 |
| Darren Cowell | UK Independence Party (UKIP) | 204 |
| Tabitha Jane Evans | Green | 156 |
Bushey North1 seat · turnout 29.4%
| June West | Conservative | 1,402 ✓ |
| Gemma May Louise Moore | Liberal Democrats | 930 |
| Zain Bilgrami | Labour | 377 |
| Patricia Sheppard | UK Independence Party (UKIP) | 134 |
| Edward Canfor-Dumas | Green | 104 |
Bushey South1 seat · turnout 33.8%
| Seamus Quilty | Conservative | 2,407 ✓ |
| Jerry Evans | Liberal Democrats | 548 |
| Ella Rose | Labour | 382 |
| Nicholas Winston | Green | 117 |
| Stephen Giles-Medhurst | Liberal Democrats | 1,866 ✓ |
| Sarah Flynn | Labour | 782 |
| David Charles Ealey | Conservative | 710 |
| James Grant | Green | 130 |
| Gavin Stephen Smith | UK Independence Party (UKIP) | 109 |
| Richard Shattock | TUSC | 20 |
Chells1 seat · turnout 34.5%
| Robin Gareth Parker | Liberal Democrats | 1,955 ✓ |
| Robin Gareth Parker | Liberal Democrats | 1,920 ✓ |
| Matthew Hurst | Conservative | 939 |
| Simon Speller | Labour | 755 |
| Marion Mason | UK Independence Party (UKIP) | 207 |
| Roger Charles | TUSC | 34 |
Cheshunt Central1 seat
| Dave Hewitt | Conservative | 1,893 ✓ |
| Ian Dust | Labour | 746 |
| Sidney Pratt | UK Independence Party (UKIP) | 297 |
| Louise Harris | Liberal Democrats | 145 |
| John Hale | Liberal Democrats | 2,075 ✓ |
| Claudio Duran | Conservative | 1,774 |
| Jahida Begum | Labour | 389 |
| James Richard Lomas | Green | 153 |
| Tina Lomax | UK Independence Party (UKIP) | 122 |
Croxley1 seat
| Steve Drury | Liberal Democrats | 2,251 ✓ |
| Jussie Kaur | Conservative | 992 |
| Sarah Linhart | Labour | 338 |
| Hazel Day | UK Independence Party (UKIP) | 177 |
| Simon David Fourmy | Green | 119 |
| Mark Mills-Bishop | Conservative | 1,991 ✓ |
| Tony Renwick | Labour | 545 |
| Tony Faulkner | UK Independence Party (UKIP) | 390 |
| David John Parry | Liberal Democrats | 143 |
Goffs Oak and Bury Green1 seat
| Ruth Gordon | Conservative | 2,108 ✓ |
| Selina Norgrove | Labour | 572 |
| Stephen Coster | UK Independence Party (UKIP) | 369 |
| Adam Edwards | Liberal Democrats | 190 |
Haldens1 seat · turnout 37.9%
| Barbara Gibson | Liberal Democrats | 1,595 ✓ |
| Sara Louise Clare Johnston | Conservative | 1,497 |
| Alan Chesterman | Labour | 1,000 |
| Sanjay Gadhvi | UK Independence Party (UKIP) | 175 |
Handside and Peartree1 seat
| Nigel Alan Quinton | Liberal Democrats | 1,996 ✓ |
| Drew Robert Richardson | Conservative | 1,178 |
| Pauline Weston | Labour | 727 |
| Tom Holdsworth | UK Independence Party (UKIP) | 182 |
| Ian Nicholas Challoner Nendick | Green | 104 |
Harpenden North East1 seat
| David John Williams | Conservative | 2,157 ✓ |
| Paul David De Kort | Liberal Democrats | 1,098 |
| Linda Ann Spiri | Labour | 537 |
| Lydia El-Khouri | Green | 172 |
| Lester MacKenzie | UK Independence Party (UKIP) | 103 |
Harpenden Rural1 seat
| Annie Brewster | Conservative | 2,795 ✓ |
| Sharon Hollingsworth | Liberal Democrats | 868 |
| Anthony Eric Neville | Labour | 479 |
| Ian Troughton | Green | 190 |
| John Midgley | UK Independence Party (UKIP) | 148 |
Harpenden South West1 seat · turnout 41.2%
| Teresa Heritage | Conservative | 2,882 ✓ |
| Jeffrey Kyndon Phillips | Liberal Democrats | 1,032 |
| George Murray Fraser | Labour | 448 |
| Tim Robinson | Green | 168 |
| Colin Stewart Donald | UK Independence Party (UKIP) | 84 |
Hatfield East1 seat · turnout 31.9%
| Suzanne Gordon | Conservative | 1,078 ✓ |
| Maureen Janet Cook | Labour | 980 |
| Jean-Paul Skoczylas | Liberal Democrats | 244 |
| Charles Michael Mason | UK Independence Party (UKIP) | 148 |
| Christianne Sayers | Green | 134 |
| Michael Jones | Independent | 129 |
Hatfield North1 seat · turnout 27.3%
| Margaret Anne Eames-Petersen | Labour | 991 ✓ |
| Peter Neville Mason | Conservative | 838 |
| Jane Quinton | Liberal Democrats | 261 |
| Philip James Keen | UK Independence Party (UKIP) | 231 |
| Lesley Jean Smith | Green | 76 |
Hatfield Rural1 seat · turnout 35.5%
| Stephen Boulton | Conservative | 2,375 ✓ |
| Helen Quenet | Liberal Democrats | 591 |
| Tara-Mary Lyons | Labour | 286 |
| Oliver Sayers | UK Independence Party (UKIP) | 214 |
Hatfield South1 seat · turnout 31.7%
| Paul Mark Zukowskyj | Liberal Democrats | 1,369 ✓ |
| Keith John Pieri | Conservative | 797 |
| James Broach | Labour | 483 |
| Simon Grover | Green | 59 |
Hemel Hempstead East1 seat · turnout 29.7%
| Ann Kathleen Williamson | Conservative | 1,946 ✓ |
| Barbara Pesch | Labour | 720 |
| Anna Wellings Purvis | Liberal Democrats | 291 |
| Mark Rutherford | Green | 178 |
| Colette Wyatt-Lowe | Conservative | 1,550 ✓ |
| Stefan Fisher | Labour | 664 |
| Sammy Barry-Mears | Liberal Democrats | 243 |
| Silvi Sutherland | UK Independence Party (UKIP) | 232 |
| Peter Sandford | Green | 95 |
Hemel Hempstead North West1 seat · turnout 30.4%
| Fiona Guest | Conservative | 1,966 ✓ |
| Mandi Tattershall | Labour | 845 |
| Stephen Wilson | Liberal Democrats | 322 |
| James Mostyn Froggatt | UK Independence Party (UKIP) | 191 |
| Jane Cousins | Green | 185 |
Hemel Hempstead South East1 seat · turnout 30.6%
| Tina Howard | Conservative | 1,397 ✓ |
| Ijlal Malik | Labour | 1,019 |
| Jan Maddern | Independent | 818 |
| Jack McAteer | Liberal Democrats | 219 |
| Bruce John Clark | UK Independence Party (UKIP) | 176 |
Hemel Hempstead St Paul's1 seat · turnout 28.7%
| Ron Tindall | Liberal Democrats | 1,413 ✓ |
| Maxine Susan Crawley | Conservative | 811 |
| Geof Cooke | Labour | 653 |
| Ellie Naidoo | UK Independence Party (UKIP) | 210 |
Hemel Hempstead Town1 seat · turnout 31.3%
| William Wyatt-Lowe | Conservative | 1,733 ✓ |
| Ian Patrick | Labour | 711 |
| Iain Smith | Liberal Democrats | 684 |
| Sherief Hassan | Green | 226 |
Hertford All Saints1 seat
| Alex Stevenson | Conservative | 1,908 ✓ |
| Veronica Elizabeth Fraser | Labour | 797 |
| John William Wiggett | Liberal Democrats | 492 |
| Ray Bomber | Green | 272 |
Hertford Rural1 seat · turnout 37.5%
| Ken Crofton | Conservative | 2,947 ✓ |
| Catherine Henderson | Labour | 430 |
| Katie Beaujeux | Liberal Democrats | 387 |
| Lydia Helen Somerville | Green | 291 |
Hertford St Andrews1 seat
| Bob Deering | Conservative | 1,650 ✓ |
| Rachel Louise Houghton | Labour | 855 |
| Andrew James Robert Porrer | Liberal Democrats | 477 |
| Tony Tarrega | Green | 263 |
Hitchin North1 seat · turnout 37.3%
| Judi Billing | Labour | 2,223 ✓ |
| David Leal-Bennett | Conservative | 1,215 |
| Sam Collins | Liberal Democrats | 550 |
| Mario May | Green | 321 |
| Barbara Jane Clare | Trade Unionist and Socialist Coalition | 35 |
Hitchin Rural1 seat
| David Barnard | Conservative | 1,970 ✓ |
| Neill Sankey | Labour | 729 |
| Carol Stanier | Liberal Democrats | 426 |
| Mary Marshall | Green | 338 |
Hitchin South1 seat · turnout 42.7%
| Derrick Alan Ashley | Conservative | 1,884 ✓ |
| Patrick Clark | Liberal Democrats | 1,770 |
| Angela Griggs | Labour | 618 |
| Diana Newson | Green | 274 |
Hoddesdon North1 seat · turnout 28.4%
| Tim Hutchings | Conservative | 2,053 ✓ |
| Mario Angeli | Labour | 544 |
| David Steven Platt | UK Independence Party (UKIP) | 448 |
| Brendan Paul Wyer | Liberal Democrats | 224 |
| Nick Cox | Green | 163 |
Hoddesdon South1 seat · turnout 31.0%
| Paul Mason | Conservative | 2,469 ✓ |
| Janet Ann Wareham | Labour | 434 |
| Evelyn Faulkner | UK Independence Party (UKIP) | 348 |
| Sara Elizabeth Mihajlovic | Liberal Democrats | 298 |
| Sally Ann Kemp | Green | 214 |
Kings Langley1 seat · turnout 33.6%
| Richard Roberts | Conservative | 2,381 ✓ |
| Michael Barton | Labour | 444 |
| Christopher Townsend | Liberal Democrats | 413 |
| Wiebke Carr | Green | 201 |
| Shirley Pratt | UK Independence Party (UKIP) | 136 |
Knebworth and Codicote1 seat
| Richard Thake | Conservative | 2,090 ✓ |
| Terry Tyler | Liberal Democrats | 934 |
| Richard Paul Downey | Labour | 494 |
| Rebecca Joanne Leek | Green | 219 |
Letchworth North1 seat
| Simon Nicholas Bloxham | Conservative | 1,753 ✓ |
| Doug Swanney | Labour | 1,646 |
| Sean Prendergast | Liberal Democrats | 356 |
| Elizabeth Susan Hancock | Green | 301 |
Letchworth South1 seat · turnout 38.1%
| Terence Hone | Conservative | 2,125 ✓ |
| Jean Andrews | Labour | 874 |
| Barry Peter Neale | Liberal Democrats | 707 |
| Sidney Arthur Start | UK Independence Party (UKIP) | 215 |
| Maryla Josephine Hart | Green | 202 |
London Colney1 seat
| Dreda Gordon | Labour | 1,326 ✓ |
| Michael Wakely | Conservative | 1,028 |
| Tony Lillico | Liberal Democrats | 476 |
| Alan Robert Malin | UK Independence Party (UKIP) | 172 |
| Matthew Maddock | Green | 112 |
Meriden Tudor1 seat
| Kareen Mary Hastrick | Liberal Democrats | 1,575 ✓ |
| Linda Topping | Conservative | 940 |
| Diana Ivory | Labour | 557 |
| Maureen Linda Challis | Green | 111 |
Nascot Park1 seat
| Mark Adrian Watkin | Liberal Democrats | 2,564 ✓ |
| David Fallon | Conservative | 1,619 |
| Edward John Tunnah | Labour | 452 |
| Stephanie Grant | Green | 148 |
| Ian Frederick James Green | UK Independence Party (UKIP) | 91 |
North Watford1 seat
| Asif Khan | Labour | 1,690 ✓ |
| Ian Stotesbury | Liberal Democrats | 1,545 |
| Camilla Zaman Khawaja | Conservative | 573 |
| Holly Fleming | Green | 285 |
Old Stevenage1 seat
| Joshua Bennett Lovell | Labour | 1,552 ✓ |
| Graham Lawrence | Conservative | 1,537 |
| Marilyn Teresa Yarnold-Forrester | UK Independence Party (UKIP) | 253 |
| Clive Hearmon | Liberal Democrats | 232 |
| Elizabeth Genevieve Sturges | Green | 155 |
Potters Bar East1 seat
| John Graham | Conservative | 2,229 ✓ |
| John Doolan | Labour | 694 |
| Vikki Louise Johnson | UK Independence Party (UKIP) | 293 |
| Jack Philip Baldwin | Liberal Democrats | 257 |
| Frank Leslie Jeffs | Green | 212 |
| Morris Bright | Conservative | 1,912 ✓ |
| Richard Butler | Labour | 694 |
| Matt Farrell | Liberal Democrats | 322 |
| David Hoy | UK Independence Party (UKIP) | 238 |
| Frances Button | Conservative | 2,419 ✓ |
| Jo Lucey | Liberal Democrats | 844 |
| Graham Dale | Labour | 377 |
| Michael Ernest Matthewson | UK Independence Party (UKIP) | 157 |
| Deesha Chandra | Green | 134 |
Rickmansworth West1 seat · turnout 34.2%
| Ralph Sangster | Conservative | 1,689 ✓ |
| Sarah Nelmes | Liberal Democrats | 1,623 |
| James Entwistle | Labour | 210 |
| Mark Massyn | UK Independence Party (UKIP) | 126 |
| Tabitha McLaughlin | Green | 82 |
Royston East and Ermine1 seat
| Fiona Hill | Conservative | 2,244 ✓ |
| Hugh Wayne Parker | Liberal Democrats | 633 |
| John Ivor Rees | Labour | 479 |
| Mark Hughes | Independent | 324 |
| Karen Harmel | Green | 192 |
Royston West and Rural1 seat
| Steve Jarvis | Liberal Democrats | 1,976 ✓ |
| Tony Hunter | Conservative | 1,914 |
| Kenneth Garland | Labour | 380 |
| Christopher Arquati | UK Independence Party (UKIP) | 162 |
| Dean Lee Cartwright | Green | 145 |
Sawbridgeworth1 seat · turnout 31.4%
| Eric Buckmaster | Conservative | 2,375 ✓ |
| Julia Davies | Liberal Democrats | 532 |
| Sotirios Adamopoulos | Labour | 454 |
| Michael John Shaw | UK Independence Party (UKIP) | 291 |
| Isabelle Mary Robinson | Green | 188 |
Shephall1 seat · turnout 30.6%
| Michael Hearn | Conservative | 1,423 ✓ |
| Jim Brown | Labour | 1,298 |
| Stephen Booth | Liberal Democrats | 299 |
| Michael Malocco | Green | 128 |
| Trevor Michael Palmer | Trade Unionist and Socialist Coalition | 66 |
South Oxhey and Eastbury1 seat
| Joan King | Labour | 1,563 ✓ |
| Elizabeth Willetts | Conservative | 1,362 |
| Yessica Gould | UK Independence Party (UKIP) | 243 |
| Pam Hames | Liberal Democrats | 228 |
| Clare Imogen Dodd | Green | 66 |
St Albans Central1 seat
| Carol White | Liberal Democrats | 2,644 ✓ |
| Alec Campbell | Conservative | 1,040 |
| Glenys Vaughan | Labour | 567 |
| Keith Cotton | Green | 526 |
| Keith Brian Hussey | Trade Unionist and Socialist Coalition | 22 |
St Albans East1 seat
| Anthony Rowlands | Liberal Democrats | 2,339 ✓ |
| John Stephen Whale | Conservative | 849 |
| John Paton | Labour | 753 |
| Thomas Langton | Green | 169 |
| Mick Hawkes | UK Independence Party (UKIP) | 125 |
St Albans North1 seat · turnout 43.9%
| Charlotte Katharine Hogg | Liberal Democrats | 1,675 ✓ |
| Roma Mills | Labour | 1,604 |
| Brian Ellis | Conservative | 1,239 |
| Gillian Mills | Green | 147 |
| Matthew Dovey | UK Independence Party (UKIP) | 76 |
St Albans South1 seat · turnout 48.1%
| Sandy Walkington | Liberal Democrats | 2,899 ✓ |
| Richard Curthoys | Conservative | 1,299 |
| Jagat Chatrath | Labour | 764 |
| Peter Whitehead | UK Independence Party (UKIP) | 121 |
St Nicholas1 seat · turnout 35.3%
| Philip Bibby | Conservative | 1,601 ✓ |
| Richard Henry | Labour | 1,395 |
| Graham William Snell | Liberal Democrats | 232 |
| Amodio Amato | UK Independence Party (UKIP) | 189 |
| Vicky Lovelace | Green | 123 |
| Amber Elizabeth Gentleman | Trade Unionist and Socialist Coalition | 37 |
St Stephen's1 seat · turnout 40.8%
| Sue Featherstone | Conservative | 2,200 ✓ |
| David John Yates | Liberal Democrats | 1,748 |
| Martin McGrath | Labour | 344 |
| David Francis Dickson | UK Independence Party (UKIP) | 152 |
| Lesley Baker | Green | 90 |
Three Rivers Rural1 seat
| Christopher Michael Hayward | Conservative | 2,244 ✓ |
| Phil Williams | Liberal Democrats | 2,091 |
| Bruce Prochnik | Labour | 202 |
| Dennis Goffin | Green | 144 |
| Andrew Wells | UK Independence Party (UKIP) | 91 |
Tring1 seat
| Nicholas Hollinghurst | Liberal Democrats | 2,617 ✓ |
| Olive Conway | Conservative | 1,820 |
| Colin Barry Phillips | Labour | 360 |
| Charlotte Pardy | Green | 256 |
| Mark Anderson | UK Independence Party (UKIP) | 207 |
Waltham Cross1 seat · turnout 27.3%
| David Andrew William Hart | Conservative | 1,712 ✓ |
| Bektas Yavuz | Labour | 1,184 |
| Michael Wood | Liberal Democrats | 266 |
Ware North1 seat
| David Andrews | Conservative | 1,771 ✓ |
| John Wing | Liberal Democrats | 598 |
| Murray Sackwild | Labour | 439 |
| Carolyn Westlake | Green | 197 |
| Blaise Hugo Archdale Morris | UK Independence Party (UKIP) | 197 |
Ware South1 seat · turnout 28.6%
| Jonathan Stephen Kaye | Conservative | 2,048 ✓ |
| Sean Michael Shaw | Liberal Democrats | 458 |
| Hani Latif | Labour | 444 |
| Glen Leslie Baker | Green | 242 |
Watling1 seat
| Caroline Clapper | Conservative | 2,889 ✓ |
| Peter Halsey | Labour | 344 |
| Saif Madid Al-Saadoon | Liberal Democrats | 318 |
| Jessica Sidney Wand | Green | 175 |
Welwyn1 seat
| Richard Simon Smith | Conservative | 2,608 ✓ |
| James Bartholomeusz | Labour | 669 |
| Stephen Andrew Bustin | Liberal Democrats | 574 |
| Andrew Stevens | UK Independence Party (UKIP) | 226 |
| William Nicholas Huggonson Berrington | Green | 204 |
Welwyn Garden City South1 seat
| Lynn Chesterman | Labour | 1,403 ✓ |
| Nick Pace | Conservative | 1,332 |
| Chris Corbey-West | Liberal Democrats | 299 |
| Dean James Milliken | UK Independence Party (UKIP) | 246 |
| Berenice Constance Mary Dowlen | Green | 122 |
West Watford1 seat
| Nigel Bell | Labour | 2,063 ✓ |
| Paul Andrew Stanhope Arnett | Liberal Democrats | 747 |
| Laveen Ladharam | Conservative | 414 |
| Derek Roy Foster | TUSC | 69 |
Woodside Stanborough1 seat
| Tim Williams | Liberal Democrats | 1,662 ✓ |
| Dennis Alfred Wharton | Conservative | 789 |
| Andrew O'Brien | Labour | 487 |
| David Penn | UK Independence Party (UKIP) | 166 |
| Alison Wiesner | Green | 92 |
| John McShane | TUSC | 33 |
