List of parliamentary constituencies in Mid Glamorgan

The Preserved county of Mid Glamorgan is divided into 6 parliamentary constituencies, one of which is shared with Gwent.

[1] * pre-2010 parts coloured white were included and were in South Glamorgan (in the case of Ogmore the part was too small to show) Conservative † Labour ‡ The Boundary Commission for Wales submitted their final proposals in respect of the Sixth Periodic Review of Westminster Constituencies (the 2018 review) in September 2018.

Although the proposals were immediately laid before Parliament they were not brought forward by the Government for approval.

On 24 March 2020, the Minister of State for the Cabinet Office, Chloe Smith, issued a written statement to Parliament setting out the Government's thinking with regard to parliamentary boundaries.

They propose to bring forward primary legislation to remove the statutory obligation to implement the 2018 Boundary Review recommendations, as well as set the framework for future boundary reviews in time for the next review which is due to begin in early 2021 and report no later than October 2023.