Hammet Bridge is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 15 April 1994. Bridge.
Hammet Bridge
- WRENN ID
- winding-crypt-woodpecker
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 15 April 1994
- Type
- Bridge
- Address
- Hammet Bridge, Cilgerran
- OS grid reference
- SN 215 428
- Coordinates
- 52.05545, -4.60441
- Source
- Cadw listing
Description
Hammet Bridge is a road bridge that spans a river, constructed from rubble stone with squared dressings. It features a barrel vault over the river and low flank walls on the north side. The bridge has a pointed full-width passage on the west side, with similar blind recesses on the east side. A full-height buttress is located on the north face, which also includes putlog and drain holes, as well as anchor ties on both faces. The north parapet extends to the west and has vertical coping with flat end stones, while the eastern end features further angled coping. The south parapet has been removed and replaced with a modern Armco barrier and keyclamp handrail.
A cast iron plaque on the north parapet states, "Hammet Bridge was erected and Garnons Mill Road made at the sole expense of Sir Benjamin Hammet Knt. Opened 21 August 1800."
Local climate
Hammet Bridge sits in a wetter-than-average part of the UK, with an average of 1,160 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 12 freeze-thaw cycles a year, fewer than 89% of listed buildings. Of these, 5 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.
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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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