Ancient Monuments

History on the Ground

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Hetty Pit

A Scheduled Monument in Pontypridd, Rhondda, Cynon, Taff (Rhondda Cynon Taf)

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Latitude: 51.6091 / 51°36'32"N

Longitude: -3.3666 / 3°21'59"W

OS Eastings: 305462

OS Northings: 190917

OS Grid: ST054909

Mapcode National: GBR HP.9V6T

Mapcode Global: VH6DJ.LTK9

Entry Name: Hetty Pit

Scheduled Date: 28 July 1994

Source: Cadw

Source ID: 2297

Cadw Legacy ID: GM459

Schedule Class: Industrial

Category: Pit

Period: Post Medieval/Modern

County: Rhondda, Cynon, Taff (Rhondda Cynon Taf)

Community: Pontypridd

Traditional County: Glamorgan


The monument comprises an exceptionally complete group of late 19th century pit head structures, including a steam winding engine dating from 1875. The pit was sunk as part of the Great Western Colliery Co complext in 1875. The shaft continued in use for winding until 1983 with few major alterations. It was closed as part of the Tymawr Colliery at that date. The surviving complex is focussed on the stone winding engine house of 1875 and the engine and winding drum, built by Barker and Cope of Kidsgrove. The engine was re-cylindered in 1911, but is otherwise original. In front of the engine house is a steel-joist type headframe. The heapstead, with tunnels from the rail track level to the north, survives, with a steam winch at the top. There is also a stone-built fan house with fan drift and evasee to the west of the winding engine house.

The monument is of national importance for its potential to enhance our knowledge of the nineteenth century coal mining industry. The structures may be expected to contain archaeological information in regard to chronology, building techniques and functional detail. A colliery may be part of a larger cluster of industrial monuments and their importance can further enhanced by their group value.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

Source: Cadw

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