Church of St Mary is a Grade II* listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 17 June 1966. Warehouse.
Church of St Mary
- WRENN ID
- fading-eave-yarrow
- Grade
- II*
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 17 June 1966
- Type
- Warehouse
- Address
- Church of St Mary, Tal-Y-Llyn, Tywyn, Llanfihangel-Y-Pennant, Gwynedd
- OS grid reference
- SH 710 094
- Coordinates
- 52.667, -3.90814
- Source
- Cadw listing
Description
The Church of St Mary is a building of group value, dating from the 16th century, with significant alterations and additions in the 19th century. It is constructed of coursed rubble with gritstone dressings, and has a slate roof with red roll ridge tiles and raised gables. The church comprises a single-celled nave and chancel, a wide south porch, and a rendered south transept vestry/chapel. A tall gabled bellcote at the southwest end houses a bell dated 1583. The windows have been renewed in the 19th century, featuring one and two lights with square heads and coarse cusping. The east window is a three-light 19th-century design with a quatrefoil head and a hoodmould ending in leaf terminals. An outset plinth is visible on the west wall, and a pilaster adorns the bellcote. The south porch has a 19th-century roof with an open collar and strut design, exposed rafters, and stone side benches.
Internally, the roof is of seven bays, with a ceiled eighth bay at the east end. Notable features include two heavy cambered tie beams towards the east, one rebated for a former screen. The second truss has large curved struts and a collar, while the western trusses feature arch-braced cambered collars supporting two tiers of purlins, the lower tier of which is supported by wide curved windbraces. There is no ridge piece. The eastern bay has a shallow barrel vault divided into square panels by moulded battens; these panels are painted with red and white roses and grisaille masks, likely dating from the early 16th century. The walls are plastered. A moulded medieval rood beam, cut away over most of its span, remains against the east wall. The chancel and sanctuary have a 18th-century quarry tile floor. A late 18th-century panelled screen separates the vestry chapel, which contains two open collar and tie beam trusses and cusped windbraces.
Fittings include a 18th-century communion rail with closely spaced balusters, a 19th-century oak pulpit with fretwork panels and a moulded octagonal cornice, and a 20th-century oak lectern. Pews and chapel benches are made of stained pine and date from the 19th-century restoration. The font consists of a square gritstone bowl with undersplayed corners, reset on a pedestal from 1876, along with a crude square basin of vesiculated stone, possibly a medieval stoup. The east window depicts "The Good Samaritan", dating from around 1870. Monuments on the south wall, towards the east, commemorate William Wynn Kirkby who died in 1864 in New South Wales, with a white marble scroll and painted crests on a black slate backing. North wall monuments include a memorial to Sarah Kirkby by Bovey & Co, Plymouth; a Carrara tablet to Mary Jones; a brass stepped cross to John Jones who died on the Hindenberg Line; a slate tablet to Owen Owen who died on the barque 'Bathurst'; a slate tablet to Ann Owen; and a framed slate tablet to Humphrey Owen.
Local climate
Church of St Mary sits in one of the wettest parts of the UK, with an average of 1,340 mm of rain a year. This makes it wetter than 96% 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 34 freeze-thaw cycles a year, more than 52% of listed buildings. Of these, 17 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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