Llansantffraed House is a medium-sized, 2-3 storey, country house, an early Gothic Revival remodelling of a Georgian house. It is double pile plan, of rendered and colourwashed stone with Welsh slate roof. The main frontage is of 5 bays each with a gabled roof and overhanging eaves with decorative bargeboards. There is a steep pitched gabled porch with decorative bargeboards and arched doorway. Owned by the Crawshay family.

Source: CADW listed buildings database.

RCAHMW, 15th January 2008.