Before (end of 1977) (47 seats, Elections Centre)
Conservative 32 · Labour 10 · The Liberal Party 5 · Other 0
After (end of 1978) (47 seats, Elections Centre)
Conservative 32 · Labour 9 · The Liberal Party 6 · Other 0
Ward results
Abbots Langley1 seat · turnout 49.9%
| Clinton | Conservative | 911 |
| Fischer | Labour | 439 |
| Shaw | LIB | 352 |
Bedmond1 seat · turnout 45.1%
| J. Glossop | Conservative | 820 |
| Dempsey | Labour | 301 |
Carpenders Park1 seat · turnout 12.7%
| N. Crump | Labour | 432 |
| Bunning | NF | 83 |
Chorleywood1 seat · turnout 49.3%
| R. Shepherd | Conservative | 1,653 |
| McGregor | LIB | 234 |
Chorleywood West1 seat · turnout 46.7%
| Smith | Conservative | 770 |
| Dulanty | Labour | 245 |
| Kearsey | LIB | 145 |
Croxley Green1 seat · turnout 53.7%
| Willyman | LIB | 762 |
| Dee | Conservative | 694 |
| Williams | Labour | 220 |
Croxley Green North1 seat · turnout 55.0%
| Ford C. | Conservative | 702 |
| Farr | LIB | 532 |
| Canning | Labour | 159 |
Croxley Green South1 seat · turnout 54.2%
| Raggett | Conservative | 821 |
| Willoughby | LIB | 512 |
| Bishop | Labour | 205 |
Langleybury1 seat · turnout 49.8%
| Baden | Conservative | 751 |
| James | Labour | 704 |
Leavesden1 seat · turnout 39.1%
| Pratt | Conservative | 509 |
| G. Abraham | Labour | 470 |
| B. O'Neill | LIB | 68 |
Maple Cross & West Hyde1 seat · turnout 52.6%
| C. Whillie | LIB | 485 |
| Kretling | Conservative | 380 |
| G. Craft | Labour | 149 |
Northwick1 seat · turnout 37.8%
| McGuire | Labour | 895 ✓ |
| H. Tullett | Conservative | 389 |
| Mablie | NF | 81 |
| Belbotte | LIB | 71 |
Rickmansworth1 seat · turnout 61.0%
| H. Roberts | Conservative | 1,151 |
| Shaw | LIB | 804 |