21 Sgwar y Farchnad (High Street)

21 Sgwar y Farchnad, also known as 19-23 High Street, Tremadog, is a row of three houses that each have two windows and three storeys, along with an attic and basement. They are constructed from large blocks of local quarried stone arranged in regular courses and feature large stone lintels. The roof is made of renewed slate and includes skylights, with two stone ridge stacks and a pebble-dashed stack on the left end.

Each house has its entrance above street level, accessed by slate steps leading to the doorway on the right side. Number 19 has a replacement panel door with an overlight and four-pane horned sash windows. On the left side, there are steps leading down to a central replacement half-glazed basement door, accompanied by a replacement window to its left. Number 21 features a replacement half-glazed door with an overlight and two-pane sash windows. Steps lead down to a replacement half-glazed basement door with a replacement window to its left. Number 23 has a panel door beneath a late 19th-century overlight and two-pane horned sash windows. Steps lead down to a replacement half-glazed basement door and a replacement window. The left gable end of number 19 is pebble-dashed.

This row of houses is part of a group at 19-23 High Street, Tremadog.