Fossil House is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 26 August 1981. House.
Fossil House
- WRENN ID
- long-timber-autumn
- 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
- Fossil House, 33&39 Nun Street, St. David's and the Cathedral Close
- OS grid reference
- SM 753 254
- Coordinates
- 51.88252, -5.26509
- Source
- Cadw listing
Description
Fossil House is a mid to late 19th century house featuring a rear wing (No 33). The building is constructed with rubble stone and has imitation slate roofing for No 39, while No 33 has grouted slates. It is designed in an L-plan and has two storeys.
No 39 has a three-window façade facing Nun Street, with a hipped roof at the southeast angle and a prominent stone stack at the southern end. The southeast corner is accentuated with Caerbwdy quoins. The windows include plate glass sashes on the upper level and large four-pane sashes below, which have been enlarged from their original size. The windows are set on slate sills, and there is a central glazed door. The southern end features a one-window range to the left of the stack, leading into No 33, which continues towards Ebenezer Chapel. No 33 has a three-window range with stone end stacks, brick window heads, two small plate glass sashes, and one larger four-pane sash above, with two four-pane sashes below and a centrally located glazed 20th-century door with a brick head.
In front of No 33 and along the side wall of No 39, there is a dwarf rubble wall topped with slender spearhead railings.
Local climate
Fossil House 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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