The Crypt is a Grade II* listed building in the Pembrokeshire local planning authority area, Wales. First listed on 12 October 1951. A Medieval Crypt.
The Crypt
- WRENN ID
- sacred-hammer-alder
- Grade
- II*
- Local Planning Authority
- Pembrokeshire
- Constituency
- Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
- Country
- Wales
- Date first listed
- 12 October 1951
- Type
- Crypt
- Address
- The Crypt, Haverfordwest
- OS grid reference
- SM 952 155
- Coordinates
- 51.8011, -4.97136
- Source
- Cadw listing
Description
The Crypt is a Grade II* listed medieval vaulted semi-basement. It features rubble stone walls to the east and north, with a pointed doorway accessed by steps on the east side, and grey limestone blocks forming the jambs and voussoirs. There is an iron grille over the doorway, and a segmental arched square opening on the north side, also with an iron grille. The top is flat and paved, and a modern shop unit has been built above.
Inside, the space is entirely vaulted and has two aisles. The vaults are supported by two sturdy round columns made of cut stone, which have chamfered simple bases and caps. From these columns spring heavy quadripartite vaults that feature deep-chamfered ribs of cut stone, with rough rubble infill in the cells between. The ribs rise directly from the rubble stone walls of the chamber without the use of corbels.
Local climate
The Crypt sits in a wetter-than-average part of the UK, with an average of 1,060 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 4 freeze-thaw cycles a year, fewer than 98% 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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