The second version of this constituency was one of the single member seats.

It was a double member seat in 1957 and 1951.

In Norfolk the three, two member, county divisions were changed to six single member seats.

From the United Kingdom general election, 1885 the city was divided into four single member seats.

In 1957 and 1951, it was a double member seat.

Oldham was a two member seat at the time.

Preston was a two member seat at that time.

Derby was two member seat and very safely Liberal.

In the municipal elections they recorded an increase in member seats from 11 to 18 (out of a total of 45).

This was not a unanimous recommendation and some politicians wanted to introduce the alternative vote in single member seats.