This did not affect the parliamentary boundaries until the 1974 general election.

However these changes were not reflected in parliamentary boundaries until the general election of 1974.

The changes were not reflected in parliamentary boundaries until 1970.

However there were no changes to parliamentary boundaries until 1983.

No changes were made to the parliamentary boundaries until 2010.

However the parliamentary boundaries were not affected until the redistribution of 1885.

This did not affect parliamentary boundaries for nine years, however.

However the parliamentary boundaries continued to be based on the pre-1974 local authorities until 1983.

However this did not affect the parliamentary boundaries until 1918.

The changes were reflected in parliamentary boundaries from 1974.