Services at Calfaria were conducted in the Welsh language.
Services were being held at the New inn in 1850 but the chapel was not established until 1888.
Williams In 1905, Benjamin Howells of Gelliwen, St Clears, a native of Llanelli, accepted a call to minister the church and the induction services were held in December of that year, At the time the church had a membership of 250.
[2] After twelve years at Abercynon, Benjamin Howells moved to Letterston, Pembrokeshire, in 1918.
The building was demolished in 1983[1] and in 1987 flats were built on the site.