Before (end of 1978) (54 seats, Elections Centre)
Conservative 25 · Other 21 · The Liberal Party 5 · Labour 3
After (end of 1979) (54 seats, Elections Centre)
Conservative 39 · Other 13 · The Liberal Party 2 · Labour 0
Ward results
Burgess Hill Franklands2 seats
| A. Whitticks | Conservative | 0 ✓ |
| K. Holder | Conservative | 0 ✓ |
BURGESS HILL ST. ANDREWS2 seats · turnout 66.6%
| M. Perkins | LIB | 1,138 |
| D. Selby | Conservative | 1,130 |
| N. Howard | Conservative | 939 |
| G. Carter | Labour | 509 |
| O. Husbands | Labour | 508 |
COPTHORNE & WORTH2 seats
| D. Kelly | Conservative | 0 ✓ |
| A. Clemits | Conservative | 0 ✓ |
East Grinstead West4 seats
| M Burrin | Conservative | 2,002 |
| E Rushman | Conservative | 2,000 |
| Frederick Osborne | Conservative | 1,964 |
| R Stewart | Conservative | 1,763 |
| J Glynn | LIB | 1,247 |
| D Paterson | LIB | 1,061 |
| R Ford | LIB | 1,032 |
| A McPherson | LIB | 938 |
| P Bailey | Labour | 580 |
| D Blake | Labour | 558 |
| J Thompson | Labour | 510 |
| C Stewart | Labour | 460 |
East Grinstead West4 seats · turnout 75.3%
| M. Burrin | Conservative | 2,002 ✓ |
| E. Rushman | Conservative | 2,000 ✓ |
| F. Osborne | Conservative | 1,964 ✓ |
| R. Stewart | Conservative | 1,763 ✓ |
| J. Glynn | The Liberal Party | 1,247 |
| D. Paterson | The Liberal Party | 1,061 |
| R. Ford | The Liberal Party | 1,032 |
| A. McPherson | The Liberal Party | 938 |
| P. Bailey | Labour | 580 |
| D. Blake | Labour | 558 |
| J. Thompson | Labour | 510 |
| C. Stewart | Labour | 460 |
Haywards Heath Bentswood2 seats · turnout 57.7%
| A. Rix | Independent | 1,062 |
| E. Cox | Conservative | 1,019 |
| B. Layfield | Labour | 613 |
| J. Canning | Labour | 575 |
Haywards Heath Franklands2 seats · turnout 58.4%
| J. Duffy | Conservative | 1,760 |
| R. Oliver | Conservative | 1,656 |
| J. Dutton | Labour | 868 |
No. 10 (Cuckfield: Harlands)2 seats
| R. Ferguson | Conservative | 0 ✓ |
| C. Preston | Conservative | 0 ✓ |
No. 11 (Cuckfield: Heath)2 seats
| R. Fletcher | Conservative | 0 ✓ |
| W. Knighton | Conservative | 0 ✓ |
No. 13 (East Grinstead: East)3 seats · turnout 76.3%
| J Andrews | Conservative | 1,937 |
| J. Andrews | Conservative | 1,937 ✓ |
| R McGechie | Conservative | 1,838 |
| R. McGechie | Conservative | 1,838 ✓ |
| A Wingrove | Conservative | 1,699 |
| A. Wingrove | Conservative | 1,699 ✓ |
| J. Jonas | Labour | 1,199 |
| James Jonas | Labour | 1,199 |
| C. Mead | Labour | 1,089 |
| C Mead | Labour | 1,089 |
| A. Hunt | The Liberal Party | 951 |
| A Hunt | LIB | 951 |
| D Stevens | Labour | 847 |
| D. Stevens | Labour | 847 |
| L. Camplisson | The Liberal Party | 846 |
| L Camplisson | LIB | 846 |
| B Johnson | LIB | 774 |
| B. Johnson | The Liberal Party | 774 |
No. 14 (East Grinstead: South)3 seats · turnout 72.7%
| D. Griffin | Conservative | 1,711 ✓ |
| D Griffin | Conservative | 1,711 |
| D. Tricker | Conservative | 1,692 ✓ |
| D Tricker | Conservative | 1,692 |
| P Bennett | Conservative | 1,638 |
| P. Bennett | Conservative | 1,638 ✓ |
| G. Hamling | The Liberal Party | 683 |
| G Hamling | LIB | 683 |
| J Johnson | LIB | 614 |
| J. Johnson | The Liberal Party | 614 |
| M. Holden | The Liberal Party | 604 |
| M Holden | LIB | 604 |
| E Ryan | RES | 600 |
| E. Ryan | Residents | 600 |
| D Shove | RES | 532 |
| D. Shove | Residents | 532 |
| M Collins | Labour | 515 |
| M. Collins | Labour | 515 |
| W. Godsmark | Residents | 494 |
| W Godsmark | RES | 494 |
| D Tomsett | Labour | 449 |
| D. Tomsett | Labour | 449 |
| P. Macdermott | Labour | 441 |
| P Macdermott | Labour | 441 |
No. 25 (Slaugham)1 seat · turnout 63.8%
| E. Ray | Independent | 1,128 |
| C. Hanaway | Independent | 619 |
No. 4 (Burgess Hill: Town)2 seats · turnout 61.4%
| M. Wallace | LIB | 1,744 |
| W. Oldland | Independent | 1,519 |
| L Large | Conservative | 1,269 |
| H. Warne | Labour | 544 |
No. 5 (Burgess Hill: West)3 seats · turnout 56.7%
| R Batten | Conservative | 1,339 |
| P. Daniels | Conservative | 1,210 |
| A. Wilson | Conservative | 1,142 |
| P. Meek | LIB | 827 |
| J. Smith | Labour | 754 |
| J. Copus | Labour | 715 |
| D. Mathias | Labour | 680 |
No. 6 (Cuckfield: Ashenground)2 seats · turnout 63.4%
| R. Coe | Independent | 1,466 |
| B. Bradford | Independent | 1,143 |
| G. Wareham | Conservative | 588 |
