Aberpergwm House is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 19 September 1969. House.

Aberpergwm House

WRENN ID
dreaming-eave-smoke
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Neath and Swansea East MP: Carolyn Harris (Lab)
Country
Wales
Date first listed
19 September 1969
Type
House
Address
Aberpergwm House, Glynneath
OS grid reference
SN 866 062
Coordinates
51.74373, -3.64248
Source
Cadw listing

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

Description

Aberpergwm House consists of the ruins of a large mansion that is currently abandoned and in a state of dereliction, with the roofs and upper floors having collapsed. The facade features windows with painted surrounds on two levels, along with hoodmoulds above the ground floor. There are chimneys located at the northern end of the building.

Local climate

Aberpergwm House sits in one of the wettest parts of the UK, with an average of 1,300 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 18 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

Sign in or create a free account to unlock:

  • No EPC on record for this property
  • No sale records on file
  • No related consent applications matched
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
Create free account

Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

Nearby listed buildings

  1. Gates across driveway at Aberpergwm House Grade II 149 m
  2. Memorial to Jane Williams in the churchyarde of the Church of Saint Cadoc Grade II 300 m
  3. Church of Saint Cadoc Grade II* 316 m
  4. Gate and railings and churchyard wall to SE of Church of St Cadoc Grade II 322 m
  5. Bridge, gatepiers and railings at S end of Manor Drive Grade II 459 m
  6. Aberpergwm Aqueduct over Neath Canal Grade II 550 m
  7. Bridge at lock on Neath Canal N of Yscwrfa Bridge Grade II 793 m
  8. Limekiln to SE of Maes-Gwyn Lock on Neath Canal Grade II 1.4 km
  9. Bridge over Neath Canal at Maes-gwyn Grade II 1.5 km
  10. Bethania Calvinistic Methodist Chapel Grade II 1.5 km