18 High Street is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 26 August 1981. House.
18 High Street
- WRENN ID
- roaming-chalk-solstice
- Grade
- II
- Local Planning Authority
- Pembrokeshire Coast National Park
- Constituency
- Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
- Country
- Wales
- Date first listed
- 26 August 1981
- Type
- House
- Address
- 18 High Street, St. David's and the Cathedral Close
- OS grid reference
- SM 754 252
- Coordinates
- 51.8807, -5.26422
- Source
- Cadw listing
Description
18 High Street is an early 19th century pair of small two-storey houses that have been converted into a shop. The buildings are constructed from whitewashed rubble stone and feature a grouted slate roof with end stacks. The house on the right has a slightly lower roof, a stone stack at the west end, and an outshut at the rear. It has 12-pane sash windows on the first floor in the centre and to the right, while the ground floor has a central door flanked by a pair of 20th-century metal casement windows. A large corrugated iron canopy supported by timber posts extends in front of this house.
The house on the left has a rendered east stack that is raised in brick, a higher roofline, and two small upper 4-pane sash windows. The ground floor is obscured by a painted boarded extension that is angled towards No 20, which contains a door and a sash window (as noted in the 1981 list). At the rear, the roof is covered with imitation slate, and there is a large two-storey projecting workshop range to the southeast with a corrugated asbestos roof.
Local climate
18 High Street sits in a wetter-than-average part of the UK, with an average of 1,050 mm of rain a year. This makes it wetter than 85% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 3 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows 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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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- 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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