William Burn and David Bryce, 1843; chapel and transept Arthur W Blomfield, 1890. Early English gothic church. Nave running E-W, chancel to E and chapel and transept to NE. Stugged sandstone ashlar. Moulded coping to base course. Chamfered cill course. String course below parapet. 2-light lancet windows. Moulded and hoodmoulded surrounds; staff-leaf capitals to nook-shafts. Gablet capped set-off buttresses, including angle buttresses, with small gargoyles. Moulded gablet-coped skews. Grey slates; broad grey slates to S pitch of nave and to vestry; leaded roof to chapel and to N pitch of chancel.
W (ENTRANCE) ELEVATION: 5-bay arcade at ground; moulded; pointed-arched doorway at centre in taller gabled bay, deeply chamfered with nook-shafts; 2-leaf boarded doors with elaborate scrolled ironwork by Potter of London; paired cusped arches flanking doorway, blinded with polished ashlar. Wheel window above. Moulded course following gable line. Gabled bellcote with cusped bipartite opening and 2 small bells.
S ELEVATION: 5-bay. Windows divided by buttresses. Chancel and vestry to right.
CHANCEL AND VESTRY: gabled chancel with lower eaves line projecting at centre of gabled nave; stepped 3-light window to right to S; cross finial. Gabled vestry advanced from re-entrant angle on S return; shouldered-arched doorway to W and geometric traceried 2-light window
to S. Chapel set in re-entrant angle to N.
N ELEVATION: 4-bay. Gabled porch in bay to right of centre; moulded pointed-arched doorway to N, with nook-shafts; stone slab roof; elaborate stone finial. Windows in remaining bays, divided by buttresses. Transept adjoined to left.
CHAPEL AND TRANSEPT: L-plan, with chapel to E and transept to W, with porch in re-entrant angle. Moulded reveals to lancet windows. Moulded course below parapet raised to follow gable lines; cross finials.
TRANSEPT: gabled to N; 2-light window, cinquefoiled oculus above. 2 single light windows to W. Porch adjoined to E return.
CHAPEL: set in re-entrant angle between chancel and transept. Gabled to E; stepped 3-light window, cinquefoiled oculus above. 2 stepped 3-light windows in hoodmoulded pointed-arched panels, divided by buttresses, to N; porch adjoined below window to right, with 3 single light windows and trefoil filligreed parapet to N, and pointed-arched doorway to gablet-coped E elevation, raised as continuation of buttress.
INTERIOR: timber double-hammerbeam roof with stone corbels to nave; chancel and chapel ashlar rib-vaulted , with decorative bosses and corbels. Pointed-arched surrounds with clustered colonnettes and stiff-leaf capitals.
NAVE: stone corbelled pulpit in SE re-entrant by Burn and Bryce, with blind cusped arches, quatrefoiled course and extensive foliate carving to corbel; entered from vaulted stairway from chancel.
CHANCEL: pointed chancel arch. Cusped blind arcaded reredos by Benjamin Ferrey. 2 arches to N Chapel.
ORGAN GALLERY: sited to W. 8-bay cusped arcade with pierced trefoil filigreed parapet; boarded doors in 2 bays at centre, remaining bays blind. Hydraulically blown organ by Hamilton and Miller of Edinburgh, 1846; gothic timber casing by Bryce.
MEMORIAL CHAPEL: S Gambier Parry, 1913. 2 bays to S; recumbent marble effigy of 5th Duke of Buccleuch, begun by Edgar Boehm and finished by Alfred Gilbert, 1892, in bay to left; wrought-iron screen in bay to right; wrought-iron gateway to tall pointed arch to transept. Marble dado and pavement. Crypt below.
ENCAUSTIC TILES, decorated with Buccleuch heraldic shields, to aisle, crossing and chancel. Octagonal font with marble-shafted base by Benjamin Ferrey. Oak choir stalls designed by William Butterfield and made by F and W Vigers, 1846. Poppyhead pew ends. Brass eagle lecturn. Original iron light fittings.
STAINED GLASS: E chancel window and wheel window by Ward and Nixon of London, 1845. Window in bay to left of centre to N. Paired lancets to N in transept in memory of 6th Duke of Buccleuch by A K Nicolson, 1927. Window to E and 2 windows to N in chapel by James Powell and Sons, 1913-15.
LAMP STANDARD: decorative cast-iron lamp standard to W.