The following text is from the original listed building designation:

1. 1449 CANNON STREET SXE.T (North West Side)
Gun House TR 0624 1/59 28.8.51.
II GV
2. Late C18. 2 storeys and attics, brown brick with red brick relieving arches. Tiled roof with 3 hipped dormers Parapet. 5 sashes with glazing bars intact, cambered head linings and Venetian shutters. Modern porch with 6-panel door, the top 2 panels cut away and glazed. The interior has some contemporary panelling. To the North East of the house is a wrought iron gate giving entrance to the garden, set between brick piers surmounted by cemented ball caps. 6 ft high red brick garden wall.
All the listed buildings on the North West Side form a group,.
Listing NGR: TR0688625332

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