Before (end of 1985) (50 seats, Elections Centre)
Conservative 31 · Labour 12 · Other 5 · SDP-Liberal Alliance 2
After (end of 1986) (50 seats, Elections Centre)
Conservative 26 · Labour 14 · SDP-Liberal Alliance 7 · Other 3
Ward results
Baldock1 seat · turnout 53.8%
| P. Clarke | Conservative | 1,146 |
| R McFall | Labour | 1,069 |
| R. Young | Alliance For Local Living (ALL) | 929 |
Bearton1 seat · turnout 50.3%
| J. Marr | Labour | 1,132 |
| N. Frost | Conservative | 720 |
| P. Cunningham | Alliance For Local Living (ALL) | 385 |
CODICOTE1 seat · turnout 55.7%
| D. Winch | Conservative | 563 |
| C. Stevenson | Alliance For Local Living (ALL) | 418 |
| K. Omer | Labour | 313 |
Grange1 seat · turnout 56.5%
| D. Kitchener | Labour | 1,233 ✓ |
| P. Welch | Alliance For Local Living (ALL) | 1,107 |
| J. Hannah | Conservative | 519 |
| I. Barrett | Green | 65 |
Highbury1 seat · turnout 51.0%
| M. Burton | Alliance For Local Living (ALL) | 1,204 |
| B. Kingston-Splatt | Conservative | 1,025 |
| D Tizzard | Labour | 375 |
KIMPTON1 seat · turnout 52.8%
| A. Wilkins | Alliance For Local Living (ALL) | 363 |
| D. Wright | Independent | 339 |
| S. Macdonald | Labour | 167 |
Knebworth1 seat · turnout 49.4%
| G. Dumelow | Conservative | 940 |
| M. Stiff | Alliance For Local Living (ALL) | 422 |
| C. Carter | Labour | 270 |
Letchworth East1 seat · turnout 39.7%
| R. Summan | Labour | 916 |
| T. Elliott | Alliance For Local Living (ALL) | 894 |
| J. Bush | Conservative | 511 |
Letchworth South East1 seat · turnout 59.2%
| G. Williams | Alliance For Local Living (ALL) | 1,754 |
| N. Prior | Conservative | 931 |
| N Agar | Labour | 840 |
Letchworth South West1 seat · turnout 62.8%
| A. Burrows | Conservative | 1,402 |
| M. Fisher | Alliance For Local Living (ALL) | 1,152 |
| M. Jovic | Labour | 265 |
Oughton1 seat · turnout 44.2%
| H. Smith | Labour | 1,020 |
| J. Sefton | Alliance For Local Living (ALL) | 578 |
| V. Leeson | Conservative | 336 |
Priory1 seat · turnout 45.4%
| B. Flatman | Conservative | 718 |
| J. Seabrook | Alliance For Local Living (ALL) | 349 |
| J. Newbury | Labour | 191 |
Royston East1 seat · turnout 53.4%
| P. Rule | Conservative | 1,114 |
| J. McCann | Alliance For Local Living (ALL) | 733 |
| J. Gill | Labour | 288 |
Royston West1 seat · turnout 51.2%
| F. Bate | Alliance For Local Living (ALL) | 1,094 |
| T. Botfield | Conservative | 1,085 |
| E. King | Labour | 545 |
Walsworth1 seat · turnout 47.1%
| J. Swain | RES | 1,273 ✓ |
| V. Sharp | Labour | 1,008 |
| A. Kelt | Alliance For Local Living (ALL) | 429 |
| A. Roberts | Green | 87 |
Wilbury1 seat · turnout 60.3%
| I. Mantle | Labour | 1,048 |
| K Emsall | Conservative | 842 |
| H. Edwards | Alliance For Local Living (ALL) | 532 |
