Before (end of 1996) (45 seats, Elections Centre)
Liberal Democrats 38 · Conservative 6 · Other 1 · Labour 0
After (end of 1997) (54 seats, Elections Centre)
Liberal Democrats 38 · Conservative 15 · Other 1 · Labour 0
Ward results
Thatcham East2 seats
| J. Cottam | Liberal Democrats | 1,857 ✓ |
| A Ferguson | Liberal Democrats | 1,691 ✓ |
| S Cardwell | Conservative | 889 |
| E. Jones | Conservative | 759 |
| P Johnston | Labour | 332 |
| E. Streets | Labour | 234 |
Thatcham South2 seats
| T Bonning | Liberal Democrats | 2,238 ✓ |
| A. Withers | Liberal Democrats | 1,868 ✓ |
| A Barclay | Conservative | 963 |
| B Ward | Conservative | 850 |
| W O'Hare | Labour | 379 |
| J Reville | Labour | 267 |
Turnpike3 seats
| P. Barnett | Liberal Democrats | 1,887 ✓ |
| G Kneller | Liberal Democrats | 1,656 ✓ |
| B Emmett | Liberal Democrats | 1,602 ✓ |
| J. Beck | Conservative | 833 |
| A. Beck | Conservative | 828 |
| C. Fairbrother | Conservative | 813 |
| C Ings | Labour | 529 |
| D Roberts | Labour | 505 |
| A. Lewis | Labour | 458 |