17 Sgwar y Farchnad (High Street) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 30 March 1951. House.

17 Sgwar y Farchnad (High Street)

WRENN ID
slow-mullion-summer
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
30 March 1951
Type
House
Address
17 Sgwar y Farchnad (High Street), Tremadog, Porthmadog
OS grid reference
SH 562 402
Coordinates
52.93997, -4.14087
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

15-17 High Street in Tremadog consists of a pair of two-storey double-fronted houses made from large blocks of local quarried stone arranged in regular courses. They feature a renewed slate roof with added skylights and stone stacks located at the center and to the left. House number 15 has a central half-glazed door and top-hung windows that have been replaced in their original openings. House number 17 has a replacement half-glazed door and 2-pane sash windows in their original openings. Both houses have a blind central window on the upper storey. This pair belongs to a group of buildings at 15-17 High Street, Tremadog.

Local climate

17 Sgwar y Farchnad (High Street) sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • Detailed attributes — period, style, materials, features
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