No changes to the seat are proposed for the Sixth Periodic Review of Westminster constituencies which commenced in 2011.

Since the Fifth Periodic Review of Westminster constituencies the seat has electoral wards:

The Sixth Periodic Review of Westminster constituencies has been effectively postponed until 2018, which means the next election will be held without new boundaries being agreed.

Following their Fifth Periodic Review of Westminster constituencies, the Boundary Commission created this new constituency.

The Boundary Commission's Fifth Periodic Review of Westminster constituencies proposed an additional seat due to population growth in the county.

From the Fifth Periodic Review of Westminster constituencies the seat has had wards (since the 2010 general election) of:

The Fifth Periodic Review of Westminster constituencies slightly altered this constituency for the 2010 General Election.

Since the implementation of the Fifth Periodic Review of Westminster constituencies after the 2005 election the seat has electoral wards:

The boundaries of the constituency changed prior to the general election in 2010 as Parliament approved the Fifth Periodic Review of Westminster constituencies.

The Sixth Periodic Review of Westminster constituencies proposes expanding the seat to incorporate the town of Hayle.