The church began in the form of a Sunday School and other informal meetings being held in houses in the community.

Williams of Ebenezer, Cefncoed, Merthyr, accepted a call to minister at Bethania, as successor to D. Bryniog Thomas who had moved to Seion, Maesteg.

[3] At the induction services, Evan Jones, the senior deacon at Bethania, reflected that the decision to call upon the services of the new minister had been agreed to be the congregation without any dissension.

[3] A number of members left in the early days to form Mount Zion English Baptist Chapel.

The site was redeveloped in 1991 with flats named Bethania.