Hilldene was an electoral ward in the London Borough of Havering from 1965 to 2002. The ward was first used in the 1964 elections and last used for the 1998 elections. It returned councillors to Havering London Borough Council.
The ward was subject to a boundary revision in 1978 that increased the number of councillors from two to three. The ward covered part of the London County Council-built Harold Hill estate that was completed in 1958. The ward was only represented by Labour Party councillors, most notably Arthur Latham who was MP for Paddington North and then Paddington.
There was a revision of ward boundaries in Havering in 1978.
The election on 7 May 1998 took place on the same day as the 1998 Greater London Authority referendum.
The election took place on 5 May 1994.
The by-election took place on 2 July 1992, following the resignation of Mark Flewitt.
The election took place on 3 May 1990.
The election took place on 8 May 1986.
The election took place on 6 May 1982.
The election took place on 4 May 1978.
The by-election took place on 24 April 1975.
The election took place on 2 May 1974.
The by-election took place on 8 July 1971.
The election took place on 13 May 1971.
The by-election took place on 4 December 1969.
The election took place on 9 May 1968.
The election took place on 7 May 1964.