Before (end of 1983) (43 seats, Elections Centre)
Labour 24 · Conservative 19 · Other 0 · SDP-Liberal Alliance 0
After (end of 1984) (43 seats, Elections Centre)
Labour 24 · Conservative 19 · SDP-Liberal Alliance 0 · Other 0
Ward results
Brookmans Park & Little Heath1 seat · turnout 45.8%
| G. Chandler | Conservative | 1,518 |
| W. Parkinson | Lib/Sdp | 513 |
Haldens1 seat · turnout 47.6%
| G. Briant | Labour | 1,982 |
| J Evans | Conservative | 985 |
| J. Blackburn | Lib/Sdp | 687 |
Handside1 seat · turnout 55.8%
| D. Lewis | Conservative | 1,274 |
| A. McGrath | Lib/Sdp | 1,074 |
| S. Stillwell | Labour | 463 |
Hatfield East1 seat · turnout 42.0%
| P. Barnes | Conservative | 1,260 |
| A. Ashby | Labour | 742 |
| R. Griffiths | Lib/Sdp | 433 |
Hatfield North1 seat · turnout 57.1%
| R. Little | Labour | 1,287 |
| B. Sherriff | Conservative | 977 |
| J. Monro | Lib/Sdp | 359 |
Hollybush1 seat · turnout 54.4%
| R. Keatley | Labour | 1,536 |
| R. Quentin | Conservative | 556 |
| J. Fogarty | Lib/Sdp | 349 |
Northaw & Cuffley1 seat
| J. Pritchard | Conservative | 0 ✓ |
Peartree1 seat · turnout 42.4%
| U. Bennett | Labour | 1,260 |
| J. Sargeant | Conservative | 358 |
| G. Limby | Lib/Sdp | 253 |
Sherrards1 seat · turnout 61.5%
| K. Lorimer | Labour | 1,300 |
| A. Turner | Conservative | 1,201 |
| A. Skottowe | Lib/Sdp | 476 |
Welwyn South1 seat · turnout 40.6%
| M. Gambling | Conservative | 698 |
| J. Burnham | Lib/Sdp | 255 |
| C. O'Leary | Labour | 252 |