Monument to Thomas Henry Thomas at New Bethel is a Grade II listed building in the Caerphilly local planning authority area, Wales. First listed on 31 March 1999. Monument.

Monument to Thomas Henry Thomas at New Bethel

WRENN ID
stark-stair-nettle
Grade
II
Local Planning Authority
Caerphilly
Constituency
Caerphilly MP: Chris Evans (Lab)
Country
Wales
Date first listed
31 March 1999
Type
Monument
Address
Monument to Thomas Henry Thomas at New Bethel, Mynyddislwyn, Pontllanfraith
OS grid reference
ST 192 954
Coordinates
51.65169, -3.16914
Source
Cadw listing

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

Description

The monument to Thomas Henry Thomas is a tall and striking structure made of white marble, located at New Bethel. It is set within a small decorative enclosure, featuring short railings on a stone plinth that is covered in ivy. The plinth supports a tall pier with corner shafts and a trefoil arch that frames the inscription panels. Above this, there is a substantial entablature moulding with semi-circular arches on each side, adorned with urn finials at the corners. This entablature supports a pedestal decorated with swags, which holds a smaller angled pedestal topped with a large draped urn.

Local climate

Monument to Thomas Henry Thomas at New Bethel sits in a wetter-than-average part of the UK, with an average of 1,090 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 79% of listed buildings.

It experiences an average of 44 freeze-thaw cycles a year, more than 85% of listed buildings. Of these, 21 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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  2. Monument to Margaret Williams at New Bethel Grade II 6 m
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  5. Monument to Elizabeth Jones at New Bethel Grade II 16 m
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  7. Nicholas monument at New Bethel Grade II 21 m
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