Former icehouse to Dyffryn House is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 22 December 2003. Icehouse.

Former icehouse to Dyffryn House

WRENN ID
plain-chamber-briar
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Neath and Swansea East MP: Carolyn Harris (Lab)
Country
Wales
Date first listed
22 December 2003
Type
Icehouse
Address
Former icehouse to Dyffryn House, Dyffryn Clydach
OS grid reference
SS 732 995
Coordinates
51.68002, -3.83455
Source
Cadw listing

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

Description

The former icehouse to Dyffryn House is a structure primarily built below ground. The entrance, located on the east side, features a retaining wall made of brick and squared stone, topped with a large stone lintel that has a shaped segmental arch. There is a step leading down to the entrance tunnel. To the west, the top of the circular domed brick icehouse is visible, along with a low wall and blocked entrance steps situated further west.

The eastern entrance has a step down into a tunnel that runs south before making a right-hand turn to the west. The tunnel is predominantly constructed of brick, with some squared stone, and has a shallow segmental arched roof. It concludes in a circular ice chamber that has a domed brick roof.

Local climate

Former icehouse to Dyffryn House sits in one of the wettest parts of the UK, with an average of 1,380 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% of listed buildings. Of these, 12 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.

More on this building

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Nearby listed buildings

  1. The Grange, former stables and coach house to Dyffryn House Grade II 242 m
  2. Church of Saint Matthew Grade II 661 m
  3. Swiss Gables Grade II 677 m
  4. Howel Gwyn memorial in churchyard of Church of St Matthew Grade II 683 m
  5. Lychgate to churchyard of Church of St Matthew Grade II 684 m
  6. Cwm Clydach Dam (partly in Dyffryn Clydach community) Grade II 978 m
  7. Cwm Clydach Dam (partly in Blaenhonddan community) Grade II 982 m
  8. Pensianel Pigsty Grade II 1.1 km
  9. Former forge and rolling mill at Neath Abbey Ironworks Grade II 1.5 km
  10. Forge tramroad bridge at Neath Abbey Ironworks (partly in Dyffryn Clydach community) Grade II 1.6 km