The altered constituency fought at the 2010 general election was formed from the following wards:

The constituency was formed in 1974 and took its present wards in 1997 (small parts of which remained shared until 2010, see above).

These boundaries continued in use until 1983, when new constituencies were formed based on the regions and districts created in 1975.

The constituency was formed by the division of Lanarkshire constituency.

The constituency was formed since the 1996 legislative election.

If enacted, the reformed constituency would be formed from the following electoral wards.

The constituency drawn for 2010 is formed from the following electoral wards:

The constituency was formed for the United Kingdom general election, 2005.

At the 2010 election, the constituency was formed from the following electoral wards:

The constituency was formed since the 1998 legislative election, replacing a number of single-member constituencies in 1995.