The frieze is ornamented to the centre with an elaborate shell decoration combining fluting acanthus and C scroll decoration. To either side are further elongated C scrolls (with acanthus leaf decoration above), which curl down at either end into the aperture opening. Further curling mouldings, form the internal returns of each jamb, and the junction at the top is ornamented with a beautifully cut rosette which centres on a flower and is inset into the junction of the frieze and jamb C scrolls. The ends of the frieze are ornamented on the angle, with further, smaller C scroll, acanthus and fluted rosettes. Each jamb is in the form of a corbel, ornamented to the face with a repeating oval geometrical design with a raised acanthus ornamented flower to the centre and rising acanthus decoration to the base.

The whole terminates in a Torus moulding  with a square plinth beneath. Each jamb return is decorated with a rebated panel, and moulding which broadly follows the C scroll to the front. The chimney-piece is surmounted by a moulded shelf, which follows the projecting contours of the frieze

The chimney-piece comes complete with an original set of 19th century cast-iron linings, some 31 ½” high and approximately 1” deep comprising two internal curved sections ornamented with foliage, and two returning panels ( 19 ¼” deep) decorated with  figures emblematical of America. The back plate panel ( 43” wide) depicts a scene of the abduction of Prosperine by Pluto. Thus the depth of the internal burning area is approximately 25” from the back of the frieze.