The following text is from the original listed building designation:
SUSSEX GARDENS 1. 1380 WESTGATE-ON-SEA Castle Cottage TR 37 SW 10/304
II
2. Circa 1880. The front elevation is of 2 storeys. The ground floor is red brick, the 1st floor is imitation timber-framed with plaster infill. Gable. 3 mullioned and transomed windows with leaded lights. The rear elevation is flint-faced and castellated with octagonal bow and curved gable on the end. The end has a double lancet with 2 reset Mediaeval lancet heads. The left side has a Dutch gable and blocked Mediaeval lancet. Knapped flint wall with cement stringcourse. Later addition with octagonal, pitched roofed tower to left.
Listing NGR: TR3267270294

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