The following text is from the original listed building designation:
TQ 7669 NE GILLINGHAM NORTH ROAD
(north side), Pembroke
2/100 Gymnasium
GV
II
Gymnasium, disused. cl902, by Colonel Sir Henry Pilkington R-E. Red brick with Portland stone dressings and slate roof Rectangular open plan. EXTERIOR,: single storey; 16-bay side range. N entrance gable end has large square clasping buttress towers to a coped gable with central lateral stack, plinth/cillband, and upper cillband. The corner towers have small round-arched windows to the base, upper stage has keyed lunettes with architraves beneath ashlar bands, cornice and parapet with ashlar corners. Gable has outer doorways with keyed architraves and steep pediments to panelled doors, paired flat-headed inner windows, and a central lateral stack extending up through a large upper lunette, with bands to the stack and outer mullions; a relief panel to the stack has an anchor and rope. S coped gable has a large lunette with 4 banded mullions, and clasping buttresses. Sides have plain buttresses between upper segmental-arched windows and impost band, and lower W aisle range with 3 entrances with bracketed canopies and raised parapets behind, with gabled end blocks. INTERIOR: not inspected but noted as having a large gymnasium with wooden floor. HISTORY: with the adjoining swimming pool (qv) evidence of attempts to raise the physical quality of the late C19 navy. Part of a fine group of naval barracks buildings including the Captains' House, Mess block, barracks and canteen (qqv).
Listing NGR: TQ7692569647

Description from record TQ 76 NE 1270:
Red brick construction, gymnasium still in use.
Owner : Public
Publicly accessible : Yes
How accessed for survey : Public access to campus.
Tourism Potential : Limited.
Condition : good
Date of visit : 02/11/07

Unknown., 01/01/1889, File on Chatham naval barracks. (Collection). SKE14391.

MMRG, 02/11/07, Naval Gym (Photograph). SKE14613.