Hall attached to Siloa Capel Y Annibynwyr is a Grade II listed building in the Rhondda Cynon Taf local planning authority area, Wales. First listed on 10 January 1991. Chapel hall. 2 related planning applications.
Hall attached to Siloa Capel Y Annibynwyr
- WRENN ID
- swift-foundation-winter
- 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 hall
- OS grid reference
- SN 999 025
- Coordinates
- 51.71298, -3.44902
- Source
- Cadw listing
Description
The building is a hall attached to Siloa Capel Y Annibynwyr, constructed in a simple classical style. It features a three-bay gabled front that is rendered and includes end pilaster strips, a stringcourse in the middle, and a cornice that creates a light pediment effect. An oval date plaque is positioned on the gable. The hall has a slate roof with wide boarded eaves, and the windows are round arched with keystones and fluted architraves, fitted with horned sashes that have marginal glazing bars. The central entrance mirrors the window style, featuring a round arched head with double panelled doors and a five-pane semi-circular fanlight.
The side elevations consist of four bays with camber headed sashes set in square openings. At the rear, the chapel hall is stepped down and has a steeper roof, with small pane sashes on the sides. The rear gable, which faces the river, is cement rendered and has a small octagonal chimney stack. It includes a round arched and boarded gable window flanked by circular four-pane windows, with four-pane sashes below. Projecting stones on the southwest corner suggest that another structure may have once been attached here.
The forecourt is marked by rubble piers topped with freestone caps that rise into ball finials at the gated entrance. The gates are inscribed with 'Capel Siloa' on the lock bar, and one of the piers features a commemorative tablet. Iron railings surround the area, with some uprights designed in a barley twist style.
Inside, the hall has a galleried interior with a herringbone boarded ceiling adorned with roses. The end bays originally had different ornamentation, which has since been removed to the front end. The raked gallery has a panelled and bracketed front supported by cast iron columns. The simple classical 'set fawr' includes quatrefoil punched newels capped by ball finials. The furnishings are made of pitch pine, providing seating for approximately 900 people. The attached vestry/hall features ceiling ventilators and a central rose.
Local climate
Hall attached to Siloa Capel Y Annibynwyr sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 44 freeze-thaw cycles a year, more than 85% of listed buildings. Of these, 22 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
- Related listed building consents — 2 applications
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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