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Former Bonville's Court Colliery Power House

A Grade II Listed Building in Saundersfoot, Pembrokeshire

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Latitude: 51.7149 / 51°42'53"N

Longitude: -4.7165 / 4°42'59"W

OS Eastings: 212438

OS Northings: 205288

OS Grid: SN124052

Mapcode National: GBR GD.P5WT

Mapcode Global: VH2PL.65G6

Plus Code: 9C3QP77M+XC

Entry Name: Former Bonville's Court Colliery Power House

Listing Date: 26 September 1994

Last Amended: 7 May 1997

Grade: II

Source: Cadw

Source ID: 15834

Building Class: Industrial

Location: Located in the W side of Bonville's Court Caravan Park 1 km NW of Saundersfoot.

County: Pembrokeshire

Community: Saundersfoot

Community: Saundersfoot

Locality: Bonville's Court Caravan Park

Traditional County: Pembrokeshire

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Bonville's Court Colliery operated from 1842 to 1930, during which time it remained one of the most important collieries in Pembrokeshire. It produced anthracite of exceptional quality, which was particularly valuable in the malting trade, being used in SE England and overseas. Bonville's Court was one of the most organised and mechanised of Pembrokeshire's collieries. In 1925 it employed 3-400 men and was responsible for 82% of the coal output of the County. After closure in 1930 its screens continued in use for some years for coal from nearby pits. Several features from the colliery survive at the Tower Pit site, begun in 1847, now within the caravan park: including the heapstead, power house, weighbridge house, pay office, carpenter's shop, and former railway alignments.


The Power House contained steam engines to generate electricity for the colliery and may also have contained pumping equipment. It originally had a hipped roof, but was reduced to a smaller building at the turn of the century: one half having a gabled slate roof added, and the other a monopitch corrugated roof. The whole building is of coursed sandstone rubble. There are several semi-circular brick arches now blocked to the W and E elevations. The gabled section has two sash windows to the N elevation, each three panes by seven, and a large brick arch to the E originally for access by wagons. The bearing for a machine drive through the wall can be seen at the SW corner of the structure.

Reasons for Listing

Listed for group value within the Bonville's Court Colliery complex, one of the most significant remaining from the important Pembrokeshire anthracite trade.

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