Gadlys Chapel is a Grade II listed building in the Rhondda Cynon Taf local planning authority area, Wales. First listed on 10 January 1991. Chapel.
Gadlys Chapel
- WRENN ID
- gaunt-floor-gilt
- Grade
- II
- Local Planning Authority
- Rhondda Cynon Taf
- Constituency
- Merthyr Tydfil and Aberdare MP: Gerald Jones (Lab)
- Country
- Wales
- Date first listed
- 10 January 1991
- Type
- Chapel
- Address
- Gadlys Chapel, Trecynon, Aberdare West, Rhondda Cynon Taff
- OS grid reference
- SN 997 031
- Coordinates
- 51.71806, -3.45198
- Source
- Cadw listing
Description
Gadlys Chapel is a classical building featuring a three-bay front with a pediment, finished in cement render with a plinth. It has a slate roof adorned with tiled cresting and a datestone at the top. The façade includes an entablature and cornice supported by Ionic pilasters. There are round-arched gallery windows with sills, which are broader and segmental-arched above the main entrance. The entrance is framed by a pilastered doorcase with a deep entablature and double doors, flanked by square-headed windows. The entablature and cornice continue along the three-window right side, which has one Ionic pilaster at the corner and similar windows, with arched heads over square heads. At the time of inspection in December 1989, the windows on the front and right side were boarded up but were reported to retain their glazing underneath. The left side features small pane sash windows, round-arched with simple Gothic tracery above square-headed windows with marginal bars. A deep coved band runs below the eaves, and there are doors leading to the basement. A rubble wall with gate piers forms the forecourt. The chapel was disused at the time of inspection, and the interior was not seen.
Local climate
Gadlys Chapel sits in one of the wettest parts of the UK, with an average of 1,260 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.
It experiences an average of 42 freeze-thaw cycles a year, more than 80% of listed buildings. Of these, 20 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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- 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
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Nearby listed buildings
- Gates & Gate Piers, including Flanking Railings at SE (Main) Entrance to Aberdare Park
- Pedestal and Statue of Lord Merthyr in Aberdare Park
- Former Calcining Furnaces at Gadly's Ironworks
- Cynon Valley main Store Building (formerly the Casting House at Gadly's Ironworks
- Fountain in Aberdare Park
- Stone Revetments at Former Gadly's Ironworks
- Blast Engine House at former Gadly's Ironworks
- Gadlys Higher Standard School (Original Ranges only)
- 37 & 37a Alma Street
- Bandstand in Aberdare Park