The following text is from the original listed building designation:

GILLINGHAM
TQ7669NW CENTRAL AVENUE, Pembroke 686-1/1/90 (South side) 06/06/84 Former Chapel at HMS Pembroke (Formerly Listed as: CENTRAL AVENUE (South side) Chapel at HMS Pembroke)
GV II
Formerly known as: Church of St George CENTRAL AVENUE. Chapel, now offices. c1905, chancel remodelled 1948 by Edward Maufe. Red brick with stone dressings and a slate roof. STYLE: Romanesque Revival. PLAN: apsidal chancel, transepts and aisled nave. EXTERIOR: moulded stone plinth, two cill bands, and overhanging eaves, with buttresses between aisle and upper windows; small round-arched aisle and W windows, tall round-arched upper windows. 5-bay chancel and 7-bay apse, and a man-of-war weather vane; gabled N and S transepts have 3 lower and a single upper window, with an oculus in the gable. 11-bay parapeted aisle with matching W porch with a round-arched door with strap hinges, and 11-bay nave; at the E end is a 3-bay bellcote with buttresses, 3 open round-arches with bells, and a round central pediment and finial. Gabled W end has 3 bays separated by buttresses, single lower windows to outer bays and 5-bay half-domed central apse, and stepped 5-light round-arched upper window. S transept has a parapeted E vestry with a porch with weathered ashlar roof and gabled round-arched doorway. INTERIOR: contains a chancel with boarded and ribbed wooden barrel vault, painted to represent night sky, ribs on clasped marble shafts, and nave has arch-braced crown post roof on moulded corbels, with octagonal piers to aisle arcades with double hollow chamfer arches dying into piers, and narrow aisles. FITTINGS: organ, free-standing altar candle sticks, lectern and pews, all c1905. Reredos 1916 by WJ Caroe, allegory of the Allies in First World War. STAINED GLASS: nave, mostly of Chatham ships, and memorial to George V. HISTORY: part of the complete early C20 HMS Pembroke naval barracks, with the Captain's House, Mess block, barracks and ancillary buildings (qqv). A closely similar design to the chapel at HMS Drake, Plymouth.
Listing NGR: TQ7641969512

English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.