Before (end of 2015) (48 seats, Elections Centre)
Conservative 31 · Labour 14 · Liberal Democrats 2 · Other 1
After (end of 2016) (48 seats, Elections Centre)
Conservative 28 · Labour 15 · Liberal Democrats 5 · Other 0
Ward results
| Stephen Boulton | Conservative | 1,319 ✓ |
| Jonathan Boulton | Conservative | 1,275 ✓ |
| Julian Dean | Conservative | 1,265 ✓ |
| Michael Anscombe | Liberal Democrats | 278 |
| Jennifer Blumson | Liberal Democrats | 261 |
| Peter John Costello | Labour | 257 |
| James Robert Dolan | Labour | 233 |
| John Richard Eames-Petersen | Labour | 221 |
| Nigel Anthony van Someren Bain | Liberal Democrats | 202 |
Haldens3 seats · turnout 43.0%
| Mike Larkins | Labour | 782 ✓ |
| Barbara Ann Fitzsimon | Conservative | 734 ✓ |
| Malcolm Robert Spinks | Conservative | 666 ✓ |
| Lucy Musk | Labour | 655 |
| Peter Hebden | Conservative | 622 |
| Tara-Mary Lyons | Labour | 571 |
| Lynne Allison | Green | 312 |
| Sandra Jean Ward | Liberal Democrats | 246 |
| Chris Corbey-West | Liberal Democrats | 168 |
| Alex Benakis | Liberal Democrats | 117 |
Handside3 seats · turnout 50.4%
| Fiona Thomson | Conservative | 1,202 ✓ |
| Helen Elizabeth Bromley | Conservative | 1,170 ✓ |
| Rachel Lesley Basch | Liberal Democrats | 1,020 ✓ |
| Nigel Alan Quinton | Liberal Democrats | 1,016 |
| Graham Eric Dowler | Conservative | 1,015 |
| Ayesha Rohale | Liberal Democrats | 824 |
| Nick Atkinson | Labour | 451 |
| Tony Grice | Labour | 430 |
| Darren Lewis | Labour | 386 |
| Cecile May Raw | Green | 180 |
Hatfield Central3 seats · turnout 30.5%
| Maureen Janet Cook | Labour | 786 ✓ |
| Glyn Charles Hayes | Labour | 742 ✓ |
| Pankit Shah | Labour | 683 ✓ |
| James Samuel Crosse | Conservative | 455 |
| Bukky Olawoyin | Conservative | 392 |
| Ronald Leonard Wheeler | Conservative | 371 |
| Adam Edwards | Liberal Democrats | 171 |
| Karen Richardson | Liberal Democrats | 166 |
| Charles David Perry Walton | Liberal Democrats | 127 |
Hatfield East3 seats · turnout 46.5%
| Kerstin Birgit Holman | Conservative | 765 ✓ |
| Caroline Ruth Gillett | Conservative | 731 ✓ |
| Lenny Brandon | Labour | 717 ✓ |
| Philip John Knott | Labour | 663 |
| Manoj Kumar | Conservative | 575 |
| Bhumi Zhaveri | Labour | 499 |
| Caron Juggins | Independent | 315 |
| Ian Howard Gregory | Green | 229 |
| Lis Meyland-Smith | Liberal Democrats | 225 |
| Christianne Sayers | Green | 201 |
| Oliver Sayers | Green | 105 |
Hatfield South West3 seats
| John Christopher Fitzpatrick | Labour | 713 ✓ |
| James Broach | Labour | 703 ✓ |
| Kieran Thorpe | Labour | 698 ✓ |
| Tom Boon | Conservative | 481 |
| Jack Adams | Conservative | 477 |
| David Perkins | Conservative | 384 |
| Sanjay Gadhvi | UK Independence Party (UKIP) | 222 |
| Sheila Archer | Liberal Democrats | 176 |
| Hazel Marion Laming | Liberal Democrats | 168 |
| Simon John Archer | Liberal Democrats | 155 |
Hatfield Villages3 seats · turnout 38.6%
| Lynne Michele Sparks | Conservative | 731 ✓ |
| Howard Morgan | Conservative | 690 ✓ |
| Duncan Bell | Conservative | 667 ✓ |
| Margaret Anne Eames-Petersen | Labour | 555 |
| Alexander David Widger | Labour | 507 |
| Graham Martyn Beevers | Labour | 480 |
| Jane Quinton | Liberal Democrats | 178 |
| Ros Edwards | Liberal Democrats | 151 |
| Matthew John Quenet | Liberal Democrats | 146 |
Hollybush3 seats · turnout 32.8%
| Nick Pace | Conservative | 700 ✓ |
| Margaret Birleson | Labour | 670 ✓ |
| Lynn Chesterman | Labour | 664 ✓ |
| Astrid Carle Thorpe | Labour | 585 |
| Drew Robert Richardson | Conservative | 532 |
| Syam Puli | Conservative | 492 |
| James Andrew Milliken | UK Independence Party (UKIP) | 247 |
| Paul Graham Wilson | Liberal Democrats | 105 |
| Jonquil Basch | Liberal Democrats | 75 |
| Konrad Basch | Liberal Democrats | 68 |
Howlands3 seats · turnout 44.2%
| Alan Chesterman | Labour | 724 ✓ |
| Pauline Weston | Labour | 654 ✓ |
| Max Peter Holloway | Labour | 626 ✓ |
| Annalisa Dorothy Yeowell | Conservative | 580 |
| Michael Drummond Moverley Smith | Conservative | 498 |
| Kamala Chandrasekaran | Conservative | 483 |
| Dean James Milliken | UK Independence Party (UKIP) | 314 |
| Stan Tunstall | Independent | 192 |
| Laurence Geoffrey Brown | Liberal Democrats | 190 |
| Michael Damian Joseph Tuohy | Liberal Democrats | 111 |
Northaw and Cuffley3 seats · turnout 34.4%
| Irene Hilda Dean | Conservative | 1,112 ✓ |
| George Michaelides | Conservative | 984 ✓ |
| Bernard Sarson | Conservative | 957 ✓ |
| Robina Helen Durrant | Liberal Democrats | 299 |
| Liz Johnson | Liberal Democrats | 249 |
| Graham Morris Macarthur | Labour | 210 |
| Howard Johnson | Liberal Democrats | 209 |
Panshanger3 seats · turnout 33.7%
| Martyn John Levitt | Conservative | 744 ✓ |
| Sara Louise Clare Johnston | Conservative | 706 ✓ |
| Darren Malcolm Bennett | Conservative | 632 ✓ |
| Joshua Murombo Chigwangwa | Labour | 363 |
| Steve Iwasyk | Labour | 362 |
| Henry Humphreys | Green | 267 |
| Michael Trup | Liberal Democrats | 252 |
| Charlotte Packer | Liberal Democrats | 188 |
| Jonathan Arch | Liberal Democrats | 153 |
Peartree3 seats
| Malcolm Cowan | Liberal Democrats | 533 ✓ |
| Helen Jane Beckett | Labour | 474 ✓ |
| Steve Roberts | Labour | 474 ✓ |
| Michal Siewniak | Liberal Democrats | 426 |
| Michael Jones | Labour | 409 |
| Frank Annibale Stefano Marchio Marsh | Liberal Democrats | 377 |
| Nathaniel Chapman | Conservative | 267 |
| Tom Holdsworth | UK Independence Party (UKIP) | 204 |
| Paul Joseph Lowe | Conservative | 166 |
| Emma Michelle Thorpe | Conservative | 144 |
Sherrards3 seats · turnout 52.4%
| Harry Bower | Conservative | 887 ✓ |
| Pat Mabbott | Conservative | 798 ✓ |
| Jonathan Beckermann | Conservative | 749 ✓ |
| Ivan Samuel Edwards | Labour | 629 |
| Susan Groom | Green | 500 |
| Ian Mendick | Green | 353 |
| Karen Eaton | Liberal Democrats | 304 |
| Brian Eaton | Liberal Democrats | 267 |
| Lesley Jean Smith | Green | 191 |
| Paul Mark Zukowskyj | Liberal Democrats | 894 ✓ |
| Tom Bailey | Liberal Democrats | 640 ✓ |
| Helen Quenet | Liberal Democrats | 617 ✓ |
| Keith John Pieri | Conservative | 600 |
| Frank Robert Bowron | Conservative | 529 |
| Les Page | Conservative | 509 |
| Linda Elizabeth Mendez | Labour | 381 |
| Diana Lesley Bell | Labour | 376 |
| Cathy Watson | Labour | 294 |
Welwyn East3 seats · turnout 45.5%
| Julie Cragg | Conservative | 1,035 ✓ |
| Roger Trigg | Conservative | 972 ✓ |
| Steven Markiewicz | Conservative | 947 ✓ |
| Sheila Ann Barrett | Labour | 515 |
| Helen Natalie Harrington | Liberal Democrats | 426 |
| Heather Margaret Richardson | Liberal Democrats | 332 |
| Arthur Frank Stevens | UK Independence Party (UKIP) | 277 |
Welwyn West3 seats
| Mandy Perkins | Conservative | 1,011 ✓ |
| Tony Kingsbury | Conservative | 994 ✓ |
| Nigel Philip Taylor | Conservative | 941 ✓ |
| Sandra Anne Kyriakides | Independent | 896 |
| John Edward Blackburn | Liberal Democrats | 337 |
| Tony Crump | Labour | 304 |
| Kay Marion Mason | Liberal Democrats | 250 |
