Chapel and Library, Monmouth Boys School

The Chapel and Library form part of Monmouth Boys School and were built in the 1860s. They are constructed of coursed rock-faced red sandstone with Bath and Forest of Dean stone dressings and Welsh slate roofs. The buildings are designed in the Perpendicular Gothic style.

The street elevation presents two gable ends, with the Chapel to the left and the Library to the right. The Chapel fronts the street line and has a plinth, an apron containing the foundation stone, which may be reset. The stone is inscribed with the date '30th June 1864' and the names of W. G. Simpson, Master of the Worshipful Company of Haberdashers of London, who laid the stone. Above the apron is a large five-light window with Perpendicular tracery, flanked by buttresses, culminating in a coped gable with a cross on the apex. To the right, the Library (originally the schoolroom) is set back behind a low screen. This screen contains three Tudor-arched doors, the right-hand door being wider. The screen carries an inscription panel displaying the Haberdashers' arms and shields, along with the text: 'This Free Grammar School of the Foundation of William Jones first erected 1614 was rebuilt with the Chapel adjoining by the Worshipful Company of Haberdashers of London the Governors A D 1865...' followed by the names of the governors and the architect, William Snooke. Behind the screen is the gable end of the Library, featuring a plain five-light window under a pointed relieving arch. A clock and a bell turret are positioned on this gable.

The elevation facing the quadrangle displays the gable end of the Library on the left, with a six-light window, and the Chapel on the right, featuring a similar window to that on the street elevation.

The Library is a large, single-volume space that originally served as the schoolroom. It has a six-bay arch-braced roof that is now mostly concealed, leaving only the feet and underside of the arches visible.

The Chapel has an eight-bay arch-braced collar beam roof with kingposts, where the feet of the trusses rest on stone colonettes. Three windows are blocked on the west wall; one of these houses the organ. The blocking was necessitated in the 1870s due to the addition of Day Houses to the school. Stained glass windows are by Ward and Hughes, dating from 1879-90. A war memorial by Francis W Stephens was added in 1950.