Elections to Sefton Metropolitan Borough Council were held on 6 May 1999. One third of the council was up for election and the council stayed under no overall control. [1]
After the election, the composition of the council was
| Party | Seats | Gains | Losses | Net gain/loss | Seats % | Votes % | Votes | +/− | |
|---|---|---|---|---|---|---|---|---|---|
| Labour | 9 | -1 | 39.1 | ||||||
| Liberal Democrats | 9 | +1 | 39.1 | ||||||
| Conservative | 5 | +1 | 21.7 | ||||||
| Others | 0 | -1 | 0 | ||||||