The Radnor station was originally built in 1872.[4] It was a replacement for the former Morgan's Corner Station built by the Philadelphia and Columbia Railroad.[5] The station was designed by Joseph M. Wilson and Frederick G. Thorn, both later of Wilson Brothers & Company, architects. Radnor's design was a brick variant of Wynnewood station, with a two-story agent's residence addition. A nearly identical version of Radnor Station was built by the Pennsylvania Railroad at Hawkins, just east of Pittsburgh.[6]
After electrification, in 1917 a synchronous compensator for delivering reactive power was installed (see Amtrak's 25 Hz traction power system). This device was later removed. Between 1999 and 2002, SEPTA restored and renovated the historic station building. The station building was restored, its historic eastbound shelter replaced with a modern structure, and new platforms, ramps, lighting, and signage were installed.
This list is incomplete. ‡This populated place also has portions in an adjacent township or townships. Armenian Sisters Academy has a "Radnor, PA" postal address but is in Upper Merion Township