The following text is from the original listed building designation:
KNIGHTRIDER STREET 1. 5278 (North Side) No 14 (Knightrider House) TQ 7655 SW 7/63 30.7.51. II
2. C18. Originally the home of William Shipley, Founder of the Royal Society of Arts. Now the office of the Maidstone and District Bus Company. 3 storeys brown brick with red brick window dressings and quoins. Hipped tiled roof and wooden modillion eaves cornice. 5 sashes with glazing bars missing. The windows on the ground and 1st floors have architraves over. Later central pedimented porch supported on wooden brackets. Later 3 light bay on ground floor of right side elevation.
Listing NGR: TQ7616755399
(1)

The building was probably constructed in the mid 18th century. William Shipley lived in the building from c. AD 1768 until his death in AD 1803. The house was extended and modified throughout the 19th century. It became a doctor's practice in the early 20th century. It was used by the bus company from 1928 until the 1980s. It was subsequently used as offices. (2)

<1> English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.

<2> Gibberd, 2013, Knightrider House, Maidstone: Heritage Statement (Unpublished document). SKE25156.