Oldchurch was an electoral ward in the London Borough of Havering from 1965 to 2002. The ward was first used in the 1964 elections. It returned councillors to Havering London Borough Council. The name refers to Saint Andrew's Chapel, Romford which was replaced with a church next to the marketplace in 1410.
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 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 election took place on 2 May 1974.
The election took place on 13 May 1971.
The election took place on 9 May 1968.
The election took place on 7 May 1964.