The cause for Unitarianism was started by the Rev. J Thomas, minister of Pantydefaid. When after a few years the congregation in his schoolhouse increased, they decided to build Capel-y-Graig, buil...

Hen Dy Cwrdd Unitarian Chapel was built in 1751 as a cottage-like meeting house and was originally known as Ty Cwrdd Godre Hirwaun. Described as the Mother Church of Unitarianism in the Cynon Valle...

Gellionnen Unitarian Chapel was first built in 1692 and rebuilt in 1801. Further alterations to the doors and windows tookm place in 1870-3 and cement render was added during the mid twentieth cen...