20 Market Street, Montrose

20 Market Street in Montrose is an early 19th-century, two-storey house featuring three bays, with a smaller single bay section at the rear that forms an L-shape. The exterior is painted and has raised margins.

On the principal elevation (east), there is a central doorway with a boarded window directly above it on the first floor. The ground and first floors have windows in the flanking bays, with the right-side ground floor window being enlarged.

The northeast elevation has a blank gable end on the left, which includes a projecting flue at the gablehead. To the right, there is a single bay of 22 Trades Close.

The southeast elevation features a blank gable end on the right, with 22 Trades Close set back to the left. A stone forestair leads to the first-floor entrance door, with a small window to the left and cast-iron and steel railings. There is also a door at ground level.

The west elevation shows a single bay of the front house on the right.

The windows are timber sash and case with plate glass, while modern timber casements are present at the ground floor. The roofs are pitched with grey slate, and there are stone-coped skews and skewputts. Gablehead stacks are present, with brick on the south side and harled on the north, along with a brick ridge stack on the west.