Before (end of 1975) (43 seats, Elections Centre)
Labour 24 · Conservative 19 · The Liberal Party 0 · Other 0
After (end of 1976) (43 seats, Elections Centre)
Conservative 24 · Labour 19 · The Liberal Party 0 · Other 0
Ward results
| E. Clear-Hill | Conservative | 1,819 |
| J. Green | Conservative | 1,696 |
| B. Storey | Conservative | 1,689 |
| M. Jonas | LIB | 517 |
| A. Appleby | Labour | 216 |
Haldens3 seats · turnout 48.6%
| B. O'Neill | Labour | 1,138 |
| D. Tilbe | Labour | 951 |
| J. Emmerson | Labour | 947 |
| P. Denham | Conservative | 739 |
| B. Bryant | Conservative | 729 |
| J Evans | Conservative | 681 |
| M. Cook | LIB | 452 |
| J. Blackburn | LIB | 443 |
| P. Littledyke | LIB | 427 |
Handside3 seats · turnout 58.4%
| D. Lewis | Conservative | 1,769 |
| D. Newton | Conservative | 1,724 |
| M. Biggs | Conservative | 1,690 |
| B. Barker | Labour | 757 |
| S. Harley | Labour | 749 |
| J. Stephens | Labour | 702 |
| M. McKever | LIB | 466 |
| P. Cunnington | LIB | 432 |
| C. Passmore | LIB | 418 |
Hatfield East3 seats · turnout 46.8%
| P. Haskins | Conservative | 1,541 |
| B. Cooke | Conservative | 1,517 |
| D. Westbeech | Conservative | 1,488 |
| G. Wenham | Labour | 794 |
| S. Clark | Labour | 794 |
| Thomas Richard Lloyd | Labour | 771 |
Hatfield North3 seats · turnout 47.1%
| F Clayton | Labour | 1,210 |
| T. Freeman | Labour | 1,128 |
| R. Little | Labour | 1,116 |
| J. Brown | Conservative | 1,037 |
| A. Kemp | Conservative | 1,029 |
| G. Rees | Marshall Con | 947 |
Hatfield South3 seats
| J Beatty | Conservative | 1,264 ✓ |
| Paul Barnes | Conservative | 1,229 ✓ |
| Ian Baker | Labour | 1,208 ✓ |
| Peter Ross | Conservative | 1,207 |
| E Doyle | Labour | 1,084 |
| A Wakeford | Labour | 1,067 |
| B Cameron | LIB | 336 |
| B Munro | LIB | 309 |
| M Perrin | LIB | 289 |
Hollybush3 seats
| S Collingwood | Labour | 1,306 ✓ |
| P Bull | Labour | 1,057 ✓ |
| R Watkins | Labour | 1,029 ✓ |
| S Hanbury | Conservative | 708 |
| I Landgrebe | Conservative | 629 |
| M Jackson | Conservative | 587 |
Howlands3 seats
| J Knight | Labour | 1,142 ✓ |
| G Perry | Conservative | 999 ✓ |
| S Jackson | Conservative | 985 ✓ |
| A Brind | Labour | 963 |
| Don Porter | Labour | 862 |
| D Dunmore | Conservative | 822 |
| D Kohler | LIB | 512 |
Northaw & Cuffley3 seats · turnout 49.2%
| J. Pritchard | Conservative | 1,608 |
| J. Ford | Conservative | 1,586 |
| C. Munson | Conservative | 1,547 |
| C. Culpin | LIB | 370 |
| J. Tolman | LIB | 338 |
| J. Skitt | LIB | 324 |
| T. Shelton | Labour | 295 |
Peartree3 seats · turnout 34.4%
| C. Stone | Labour | 1,106 |
| B. Luddington | Labour | 1,086 |
| J. Howells | Labour | 1,013 |
| R. Burns-Green | Conservative | 584 |
| S. Graham | Conservative | 572 |
| M. Wigmore | Conservative | 538 |
Sherrards3 seats · turnout 53.4%
| T. McNamara | Conservative | 1,628 |
| G. Ayerst | Conservative | 1,626 |
| A. Hewson | Conservative | 1,610 |
| U. Bennett | Labour | 952 |
| H. Macklin | Labour | 946 |
| M. Davies | Labour | 907 |
Welwyn South2 seats · turnout 40.5%
| D. Sharp | Conservative | 959 |
| R. Smith | Conservative | 952 |
| B. Le | Mare Lab | 379 |