Merthyr Tydfil Constituency (BCon) through time

Merthyr Tydfil Constituency (BCon)

Densities and rates of growth. Age structure: concentrations of young people, and of the old.

Election results, plus information on turn-out.

Alternative names

The following alternate names exist for this unit:

Name	Status	Language	Start	End	Authority
MERTHYR TYDFIL	Preferred	English			Richard H.A. Cheffins, Parliamentary Constituencies and their registers since 1832 (London: The British Library, 1998)
GLAMORGANSHIRE MERTHYR TYDFIL	Alternate	English			Boundary Commission for England, First Periodical Report (London: H.M.S.O., 1954)

Higher level units

This unit was part of the following units:

Name	Type	Start	End	Authority
WALES Dep	Country	1949	1982	Richard H.A. Cheffins, Parliamentary Constituencies and their registers since 1832 (London: The British Library, 1998)

Boundaries and changes

Base layer:

Show boundary:

If the boundaries of the Constituency changed over time, this map will show all the different boundaries.

Maps

How to reference this page:

GB Historical GIS / University of Portsmouth, Merthyr Tydfil Constituency (BCon) through time, A Vision of Britain through Time.

URL: https://www.visionofbritain.org.uk/unit/12756653

Date accessed: 08th April 2026