Church of St Michael and All Angels is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 1 April 1974. House.
Church of St Michael and All Angels
- WRENN ID
- hollow-tower-claret
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 1 April 1974
- Type
- House
- Address
- Church of St Michael and All Angels, Treflys, Porthmadog
- OS grid reference
- SH 534 378
- Coordinates
- 52.91811, -4.18121
- Source
- Cadw listing
Description
The Church of St Michael and All Angels is a single-chamber parish church built in the 19th century, featuring simple Gothic architectural details. It is constructed of rubble stone and has a renewed slate roof with coped gables. An earlier gabled bellcote at the west end houses a single bell. The pointed west door, which has survived the restoration in 1888-1889, is adorned with thin voussoirs. The nave includes two pointed windows on the north and south walls, with a pair of windows on the south side. The chancel features a two-light geometrical east window and a cusped south window.
Inside, the nave has a three-bay collar-beam roof supported by diagonal braces on corbels, while the chancel has a two-bay arched-brace roof also on corbels. The round-headed chancel arch is larger but similar in shape to the arch of the earlier building. A 20th-century communion rail with a foliage frieze in relief is present.
The small tub-shaped font, believed to have originated from Criccieth, is post-Reformation and stands on a modern stone pedestal. The plain pews date from the 20th century. The simple polygonal wooden pulpit features Gothic arched panels. In the northeast corner of the chancel, there is an early Christian inscribed stone discovered in the churchyard in 1904, which bears a Latin inscription 'Iaconus Fili Min Iacit' beneath a Chi-Rho monogram. Additionally, there is a simple slate memorial tablet to John Prichard, who died in 1851, on the south wall of the nave.
The east window contains stained glass that includes oval medallions depicting scenes from the life of Christ, dating from after 1956.
Local climate
Church of St Michael and All Angels sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.
It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 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 sale records on file
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- Detailed attributes — period, style, materials, features
- Flood risk assessment
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- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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