Before (end of 1998) (53 seats, Elections Centre)
Liberal Democrats 19 · Conservative 18 · Labour 12 · Other 4
After (end of 1999) (53 seats, Elections Centre)
Conservative 33 · Liberal Democrats 9 · Labour 9 · Other 2
Ward results
Ash Cum Ridley3 seats
| C Clark | Conservative | 785 ✓ |
| C. Bruce | Conservative | 770 ✓ |
| J. Blight | Conservative | 757 ✓ |
| P Martin | Labour | 696 |
| J Clarke | Labour | 686 |
| J Crane | Labour | 682 |
Dunton Green1 seat
| D Watson | Labour | 394 ✓ |
| G Batchelor | Conservative | 150 |
Eynsford1 seat · turnout 43.0%
| Audrey Gee | Liberal Democrats | 434 |
| T. Rand | Conservative | 182 |
Farningham1 seat
| P Johnson | Conservative | 205 ✓ |
| R Denny | Liberal Democrats | 144 |
| S Messenger | Labour | 92 |
Fawkham & Hartley3 seats
| R Bailey | Conservative | 1,113 ✓ |
| S Eames | Conservative | 1,111 ✓ |
| J Sandeford | Conservative | 1,092 ✓ |
| Nicola Keen | Labour | 280 |
| M Hogg | Labour | 273 |
Halstead & Knockholt & Badgers1 seat · turnout 86.5%
| G. Williamson | Conservative | 669 |
| A Bent | Liberal Democrats | 583 |
| G. Whale | Liberal Democrats | 515 |
| R. Parry | Conservative | 514 |
Hextable & Swanley Village2 seats
| G Blaxall | Independent | 706 ✓ |
| R Chapman | Independent | 628 ✓ |
| A Parker | Labour | 436 |
| C Tuke | Labour | 385 |
| Keith Loney | Conservative | 312 |
Kemsing2 seats · turnout 39.5%
| Joyce Course | Conservative | 820 |
| S. Reay | Conservative | 673 |
| Norma Munson | Liberal Democrats | 607 |
| A. MacPherson | Liberal Democrats | 470 |
Leigh1 seat
| Alison Cook | Conservative | 452 ✓ |
| J. Morgan | Liberal Democrats | 97 |
Riverhead1 seat
| S Robinson | Conservative | 555 ✓ |
| G Hersey | Liberal Democrats | 88 |
| R Jones | Labour | 63 |
Sevenoaks Kippington2 seats
| A Hunter | Conservative | 934 ✓ |
| Felicity Broomby | Conservative | 924 ✓ |
| D Sims | Liberal Democrats | 343 |
Sevenoaks Northern2 seats
| J Gilbert | Liberal Democrats | 646 ✓ |
| T Wakeley | Liberal Democrats | 628 |
| M Hudson | Conservative | 541 |
| N Crist | Conservative | 461 |
Sevenoaks Northern2 seats · turnout 36.7%
| T. Wakerley | Liberal Democrats | 628 ✓ |
Sevenoaks Town & St. Johns3 seats
| A Dawson | Conservative | 949 ✓ |
| P Fleming | Conservative | 867 ✓ |
| J Millest | Conservative | 865 ✓ |
| Pamela Walshe | Liberal Democrats | 722 |
| J Canet | Liberal Democrats | 713 |
| P Stockton | Liberal Democrats | 655 |
| M Ellis | ND | 104 |
| Elizabeth Dick | Conservative | 425 ✓ |
| M Lawrence | Labour | 131 |
Swanley Christchurch2 seats
| W Niel | Labour | 575 ✓ |
| J Underwood | Labour | 548 ✓ |
| A Gale | Independent | 361 |
| Robert Brookbank | Conservative | 335 |
| Neil Taylor | Independent | 329 |
| Dora Newark | Conservative | 321 |
Swanley St Mary's2 seats
| Fiona Parker | Labour | 469 ✓ |
| Julie Halford | Labour | 451 ✓ |
| R Bryan | Independent | 215 |
| C Howe | Independent | 201 |
| I Fleming | Conservative | 76 |
| J Hudson | Conservative | 72 |
Swanley White Oak3 seats
| Dorothy Coates | Labour | 622 ✓ |
| M Fittcock | Labour | 607 ✓ |
| Bryan John Harrod | Labour | 589 ✓ |
| Jack Searles | Independent | 420 |
| G Cole | Independent | 255 |
| J Barty | Conservative | 171 |
| P Tabor | Conservative | 146 |
| R. Rayment | Conservative | 145 |