The 2000 United Kingdom local elections were held on Thursday 4 May 2000. A third of the seats on each of the Metropolitan Boroughs were elected along with elections in many of the unitary authorities and district councils. There were no elections in Scotland, Wales or Northern Ireland. On the same day, a parliamentary by-election took place in the Romsey constituency in southern England; the Liberal Democrats won the seat from the Conservatives.

The 1999 United Kingdom local elections were held on Thursday 6 May 1999. All Scottish and Welsh unitary authorities had all their seats elected. In England a third of the seats on each of the Metropolitan Boroughs were elected along with elections in many of the unitary authorities and district councils. There were no local elections in Northern Ireland.