Second-placed Cwmllyfnell secured a comprehensive 49-10 away win at the hands of Ammanford, who slip to seventh. John Jones, Brody Davies and Ryan Bayliss were among the try scorers for the visitors.
Kidwelly drew 14-14 against Carmarthen Athletic at home in a mid-table clash with Athletic enjoying their first away point of the season. Waunarlwydd remain third after narrowly beating Glynneath 17-16 at the Recreation Ground.
Meanwhile in SWALEC Division 2 West, Builth Wells lost at home in the top-of-the-table battle against Seven Sisters who opened a one point lead after ten matches.Maesteg's hopes of getting their season back on track took yet another dent as after starting the season winning five in a row, they've now lost five on the bounce. On this occasion, they fell at home to Penclawdd who have won their first in three games.
In SWALEC Division 3 West, Newcastle Emlyn climbs to the top of the table after defeating Lampeter 24-17. They overtook Amman United who was victim to the cold weather after their game at Milford Haven was called off - one of several matches affected by the December chill.