Before (end of 1987) (43 seats, Elections Centre)
Labour 23 · Conservative 18 · SDP-Liberal Alliance 2 · Other 0
After (end of 1988) (43 seats, Elections Centre)
Labour 22 · Conservative 19 · Liberal Democrats 2 · Other 0
Ward results
Brookmans Park & Little Heath1 seat · turnout 43.6%
| G. Chandler | Conservative | 1,477 |
| R. Hodsdon | SLD | 250 |
| D. Dunk | Labour | 138 |
Haldens1 seat · turnout 43.3%
| R Barcock | Labour | 2,095 |
| J. Scarff | Conservative | 1,354 |
| D. Bartlett | SLD | 372 |
Handside1 seat · turnout 59.8%
| D. Lewis | Conservative | 1,316 |
| C. Cory | SLD | 1,168 |
| M. Plowman | Labour | 506 |
Hatfield East1 seat · turnout 44.8%
| P. Barnes | Conservative | 1,367 |
| J. Scott | Labour | 876 |
| M. Richardson | SLD | 309 |
Hatfield North1 seat · turnout 51.5%
| R. Little | Labour | 1,309 |
| K. Maclean | Conservative | 834 |
| J. Monro | SLD | 253 |
Hatfield West1 seat · turnout 51.7%
| Phillips G. | Labour | 1,416 |
| B. Gabbott | Conservative | 954 |
| R. Griffiths | SLD | 343 |
Hollybush1 seat · turnout 48.3%
| Margaret Birleson | Labour | 1,447 |
| N. Lloyd-Jones | Conservative | 493 |
| G. Limby | SLD | 135 |
Northaw & Cuffley1 seat
| J. Pritchard | Conservative | 0 ✓ |
Peartree1 seat · turnout 39.8%
| U. Bennett | Labour | 1,543 |
| J. Bridges | Conservative | 422 |
Sherrards1 seat · turnout 63.0%
| S. Taylor | Labour | 1,451 |
| J. Sargeant | Conservative | 1,176 |
| D. Cooke | SLD | 331 |
Welwyn South1 seat · turnout 43.9%
| A. Hewson | Conservative | 768 |
| D. Parker | Labour | 325 |
| I. Skidmore | SLD | 212 |
