The Rolls Hall Presented to the people of Monmouth by John Allan Rolls to commemorate the Golden Jubilee of Queen Victoria in 1887. Architect was F.A. Powell and the cost was £8,000. In 1992 it was converted from a public hall into a public library.

English translation: "Neuadd Rolls Cyflwynwyd y neauadd i drigolion Trefynwy gan John Allan Rolls yn 1887 i goffau Jiwbili Aur u Frenhines Victoria. Y pensaer oedd F.A. Powell a'r gost oedd £8,000. Er 1992 mae'r neuaadd yn cael ei defnyddio fel llyfrgell gyhoeddus."