The exterior is divided into two stories, the lower one being rusticated, and the upper springing from a moulding displaying a continued Ionic entablature, supported by coupled pilasters of the same order; above the cornice is a well-proportioned balustrade.
The windows are circular headed in the upper, and square in the lower story, and, with the exception of that in the chancel, are uniform; the latter is Venetian, the divisions being formed with Corinthian pillars.
The portico consists of four Roman Doric columns and entablature in full order, and is considered a very fine specimen.
The steeple is divided into three parts, and, like the body of the church, is rusticated at the base, which is square; on this rests the second division, or bell chamber, octangular in shape, and decorated with Ionic pilasters, cornice, &c.; above rises eight elegant Corinthian columns, surrounded with an iron railing, and surmounted by a dome and cross.
The interior carries with it an air of importance, grandeur, and extent, derived mainly from that form which in the exterior has so much shackled the efforts of the architect: dazzled for a moment by the first impressions, the detail is lost in the general effect; but from the whole the eye is directed to those parts which constitute that whole, and here defects may be discovered that will not stand the test of architectural scrutiny.
The seats are well constructed, every individual being able to see the officiating minister. The gallery is not thrown too forward, but is in every respect in unison with the size of the church; it is carried round the whole area with the exception of the chancel, and is supported by a double row of ill-proportioned Ionic columns, painted porphyry. A continued balustrade finishes the front of the gallery, from which rises slender fluted columns (surmounted with entablature) for the support of the roof, the frieze being decorated with cherubs.
The ceiling is enriched with a glory and cherubs in the centre, surrounded by a wreath and other devices.
The chancel, contrary to general custom, is towards the north, and is separated from the body of the church by a handsome arch springing from an entablature supported by coupled composite columns, elegantly proportioned, the capitals of which are richly gilt.
The altar-piece is plain oak wainscot, with panels inscribed according to the canon of the church, above which is a Venetian window, containing a painting in enamelled glass of the Resurrection of our Saviour, by the elder Eginton. This window is shortly to be replaced by another, our townsman, Mr. David Evans, having been directed by the munificence of the Rev. Richard Scott, B.D. to exert his talents in the execution of a splendid and faithful copy of the celebrated chef d’ouvre of Rubens, painted for the cathedral church of Antwerp, the Descent from the Cross, with the Visitation, and Presentation in the Temple.
The pulpit and reading desk stand in the centre of the area in front of the chancel.