19 The Square, Port William is a Grade C listed building in the Dumfries and Galloway local planning authority area, Scotland. First listed on 11 November 1994. House, shop.

19 The Square, Port William

WRENN ID
riven-remnant-kestrel
Grade
C
Local Planning Authority
Dumfries and Galloway
Constituency
Dumfries and Galloway MP: John Cooper (Con)
Country
Scotland
Date first listed
11 November 1994
Type
House, shop
Address
19 The Square, Port William, DG8 9SE
OS grid reference
NX 338 435
Coordinates
54.75968, -4.58353
Source
Historic Environment Scotland listing

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

Description

19 The Square in Port William is a house from the later 19th century, featuring two storeys and an attic, with three bays and two shops on the ground floor. It is paired with Nos 11 and 13 The Square. The building is constructed of rubble, which is painted on the east elevation, and has painted margins and a quoin strip on the same side.

On the north elevation facing The Square, there is a boarded door with a deep plate glass fanlight at the center. The outer bays contain three shop fronts, each with a central door flanked by windows. The first floor has regular fenestration, and there are gabled dormer windows above the outer bays.

The east elevation is gabled and blank. The west elevation is attached to No 15 The Square and features plate glass glazing in sash and case windows, as well as plate glass display windows. The window at the center of the first floor has modern glazing. The building has red sandstone coped skews that are mutual with the west side, and the stacks are partly painted rubble, with a gablehead to the east that is also mutual with the west. The roof is covered with purple slates.

Local climate

19 The Square, Port William sits in one of the wettest parts of the UK, with an average of 1,340 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 5 freeze-thaw cycles a year, fewer than 97% of listed buildings. Of these, 2 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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Nearby listed buildings

  1. 17 The Square, Port William Grade C 26 m
  2. Harbour, Port William Grade C 34 m
  3. 15 The Square, Port William Grade C 34 m
  4. 1 Commercial Street, Port William Grade C 51 m
  5. 5 Commercial Street, Port William Grade C 53 m
  6. Bridge, Port William Grade C 55 m
  7. 3 Commercial Street, Port William Grade C 57 m
  8. Mochrum Parish War Memorial, Port William Grade C 57 m
  9. Port William Mill, High Street, Port William Grade B 69 m
  10. 2 Commercial Street, excluding 20th century extensions to rear, Port William Grade C 75 m