In the latter season, the club also recorded their Welsh cup triumph, with victories over Rhyl, Denbigh Town, cup holders Bangor City and Hereford United setting up a final with Football League side Newport County In the two-legged final the club won 2–1 at home and drew 0–0 at Somerton Park to secure the win.
The results were no disgrace, as the part-timers of Borough United had played well against a club that fielded five full internationals.
Their win against Sliema Wanderers was the first time a Welsh club had won a round in a major European Competition.
[3] The club enjoyed financial support and administration from a local businessman J.R. "Bob" Bithell, a successful haulage contractor, garage owner and builder involved in construction of buildings such as the Crosville Garage in Llandudno Junction, Vale Laundry, the Drill Hall in Conwy as well as dozens of homes.
[citation needed] The club continued as a top five side in their league until 1967 when they were evicted from their Nant-y-Coed ground by its owners, the Irish Oblates of Mary Immaculate order, and were ultimately forced to eke out an existence in the very minor Vale of Conwy League.