Former Bonville's Court Colliery Heapstead is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 26 September 1994. Gate lodge.

Former Bonville's Court Colliery Heapstead

WRENN ID
fading-newel-owl
Grade
II
Local Planning Authority
Pembrokeshire Coast National Park
Constituency
Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
Country
Wales
Date first listed
26 September 1994
Type
Gate lodge
Address
Former Bonville's Court Colliery Heapstead, Bonville's Court Caravan Park, Saundersfoot
OS grid reference
SN 124 052
Coordinates
51.7147, -4.71602
Source
Cadw listing

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

Description

The former Bonville's Court Colliery heapstead is a raised platform that was used for coal mining. It is where the headframe and winding engine house were located, allowing coal to be lifted from the shaft and tipped into nearby screens and coal wagons. The heapstead is made of rubble sandstone and rises about 6 meters above the surrounding ground level. The walls feature putlog holes that supported the timber structure of the screens.

Local climate

Former Bonville's Court Colliery Heapstead sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 5 freeze-thaw cycles a year, fewer than 97% 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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