The Llanfair Gate Toll House, built circa 1823, is an octagonal building with a pyramial roof and single storey wings. It is covered in roughcast render, has recessed casement windows and is the only toll house that still has a painted list of former tolls.
Source: David Gwyn & Merfyn Williams (1996) `A Guide to the Industrial Archaeology of North West Wales?. Association for Industrial Archaeology