Before (end of 2017) (39 seats, Elections Centre)
Liberal Democrats 20 · Conservative 16 · Labour 3 · Other 0
After (end of 2018) (39 seats, Open Council Data)
Liberal Democrats 19 · Conservative 16 · Labour 3 · Other 1
Ward results
Abbots Langley and Bedmond1 seat · turnout 38.1%
| Sara Bedford | Liberal Democrats | 1,096 ✓ |
| Andrew O'Brien | Conservative | 456 |
| Joanne Victoria Cox | Labour | 237 |
| Bobbie Curran | Green | 67 |
| John Appleford | UK Independence Party (UKIP) | 59 |
Carpenders Park1 seat · turnout 34.8%
| Donna Duncan | Conservative | 1,144 ✓ |
| Mandy Shumake | Labour | 397 |
| Pam Hames | Liberal Democrats | 309 |
Chorleywood North and Sarratt1 seat · turnout 33.1%
| Anthony Robert Hayward | Conservative | 1,441 ✓ |
| Frank Mahon-Daly | Liberal Democrats | 320 |
| Margaret Gallagher | Labour | 144 |
| Hazel Day | UK Independence Party (UKIP) | 39 |
Chorleywood South and Maple Cross1 seat · turnout 38.8%
| Martin John Trevett | Liberal Democrats | 1,149 ✓ |
| Colin Payne | Conservative | 842 |
| Jack Hazlewood | Labour | 157 |
| Roger Stafford | Green | 140 |
Dickinsons1 seat · turnout 38.0%
| Margaret Hofman | Liberal Democrats | 967 ✓ |
| David Redman | Conservative | 678 |
| Jeni Swift Gillett | Labour | 290 |
| Tracey Smart | UK Independence Party (UKIP) | 43 |
Durrants1 seat · turnout 36.0%
| Steve Drury | Liberal Democrats | 1,033 ✓ |
| David Woodford | Conservative | 411 |
| John Grillo | Labour | 225 |
| Matthew Pashby | Green | 102 |
| Tony Speechly | UK Independence Party (UKIP) | 43 |
Gade Valley1 seat · turnout 30.5%
| Jon Tankard | Liberal Democrats | 835 ✓ |
| Dee Ward | Conservative | 372 |
| Bruce Prochnik | Labour | 261 |
| Emma Brading | Green | 65 |
Leavesden1 seat · turnout 31.3%
| Alex Turner | Liberal Democrats | 954 ✓ |
| Hitesh Tailor | Conservative | 356 |
| Marie-Louise Straub Nolan | Labour | 283 |
| Martin Thomas Brooks | Independent | 116 |
| David Bennett | UK Independence Party (UKIP) | 62 |
Moor Park and Eastbury1 seat · turnout 31.2%
| Jo Clemens | Conservative | 1,123 ✓ |
| Jeremy Edmund Campion Asquith | Liberal Democrats | 192 |
| Sonia Adesara | Labour | 141 |
Oxhey Hall and Hayling1 seat · turnout 33.9%
| Andrew Scarth | Liberal Democrats | 800 ✓ |
| Andy Milner | Conservative | 463 |
| Chris Green | Labour | 433 |
| Michael Ernest Matthewson | UK Independence Party (UKIP) | 67 |
| Matt Jones | Green | 42 |
Penn and Mill End1 seat · turnout 33.8%
| Sarah Nelmes | Liberal Democrats | 857 ✓ |
| Nayesh Radia | Conservative | 618 |
| Martin Waldron | Labour | 185 |
| Peter Loader | Green | 110 |
Rickmansworth Town1 seat · turnout 42.5%
| Paula Hiscocks | Conservative | 1,386 ✓ |
| Tom Pashby | Green | 395 |
| Pat Howell | Liberal Democrats | 333 |
| Andrew Gallagher | Labour | 233 |
| Mark Massyn | UK Independence Party (UKIP) | 51 |
South Oxhey1 seat · turnout 25.8%
| Stephen King | Labour | 812 ✓ |
| Elizabeth Willetts | Conservative | 269 |
| Yessica Gould | UK Independence Party (UKIP) | 135 |
| Robert Johnston | Liberal Democrats | 60 |
| Mary Chabrel | Green | 22 |