Before (end of 1979)
Not known.
After (end of 1980)
Not known.
Ward results
Batchwood1 seat · turnout 39.5%
| D. Ramsden | Labour | 889 |
| B. Eyles | Conservative | 623 |
| L. Coates | LIB | 395 |
Clarence1 seat · turnout 46.8%
| R. Wheeldon | Conservative | 1,092 |
| A. Kirby | Labour | 507 |
| J. Mason | LIB | 424 |
Cunningham1 seat · turnout 47.3%
| R. Donald | LIB | 842 |
| A. Hill | Conservative | 736 |
| J. Brown | Labour | 677 |
Harpenden East2 seats · turnout 38.0%
| M. Morrell | Conservative | 1,150 |
| D. Lloyd | Conservative | 1,127 |
| C. Mathews | Labour | 534 |
| C. Clark | LIB | 527 |
| R. Collins | Labour | 498 |
Harpenden North1 seat · turnout 39.4%
| K. Wood | Conservative | 1,331 |
| H. Holmes | Labour | 515 |
| D. Collins | LIB | 410 |
Harpenden South2 seats · turnout 37.7%
| Jenkins K. | Conservative | 1,358 |
| K. Nash | Conservative | 1,167 |
| L. Freitag | Independent | 418 |
| P. De Freitas | LIB | 365 |
| K. Griffin | Labour | 221 |
| J. Ryan | Labour | 181 |
Harpenden West1 seat · turnout 40.9%
| T. Tarry | Conservative | 1,466 |
| T. Wood | LIB | 432 |
| J. McKrell | Labour | 199 |
London Colney1 seat · turnout 38.4%
| M. Macmillan | Labour | 1,185 |
| J. Smee | Conservative | 789 |
Marshalswick South1 seat · turnout 44.2%
| J. Turner | Conservative | 1,173 |
| H. Lowe | LIB | 697 |
| D. Allan | Labour | 356 |
Park Street2 seats · turnout 37.1%
| J. Griffin | LIB | 662 |
| D Allen | Conservative | 633 |
| K. Hill | Conservative | 632 |
| J. Allen | LIB | 573 |
| D. Goodchild | Labour | 365 |
| R. Fricker | Labour | 291 |
Redbourn1 seat · turnout 34.9%
| S. Bailey | Independent | 875 |
| S. Russell | Conservative | 688 |
Sopwell1 seat · turnout 39.5%
| D. Carradice | Labour | 1,058 |
| K. Davies | Conservative | 538 |
| G. Woollatt | LIB | 217 |
St. Stephens1 seat · turnout 41.2%
| A. Nowell | Conservative | 1,335 |
| K. Morcom | Labour | 555 |
| M. Barron | LIB | 426 |
Verulam1 seat · turnout 41.6%
| E. Hewitt | Conservative | 1,549 |
| D. Partridge | Labour | 590 |
Wheathampstead1 seat · turnout 47.6%
| D. Evans | Conservative | 1,186 ✓ |
| N. Clements | LIB | 456 |
| A. Latchford | Labour | 338 |
| S. Whittaker | Independent | 208 |