Lock 5 at TF 060986, Caistor Canal, South Kelsey. A canal lock dating from about 1793 to 1795, which was disused in approximately 1877. It was constructed of ashlar in fine large blocks and has cast-iron fittings. There is minor displacement of some of the stonework due to sappling growth. For the full description and the legal address of this listed building please refer to the appropriate List of Buildings of Special Architectural or Historic Interest. {1}