Following the Conquest of Wales by Edward I in the late 13th century, Conwy, with its castle and walls, became an important strategic and commercial centre.

[1] The town was granted a Royal charter in 1284[2] and English settlers, particularly from the counties of Cheshire and Lancashire, were encouraged to populate the new borough.

[3][failed verification][4] Aberconwy House is a rare survivor of a number of such houses-cum-warehouses built by English merchants trading on the Welsh Marches in the medieval period.

[5] The town planner and architect, John B. Hilling, in his 2018 study, The Architecture of Wales: from the first to the twenty-first century, describes it as the "sole survivor of [such] houses built in Edward I's Welsh 'new-towns'".

[7] This dating makes it one of the oldest dateable houses in Wales and its importance was recognised in 1950 when it was designated a Grade I listed building.