Church of St Caffo is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 30 January 1968. Shop.

Church of St Caffo

WRENN ID
fossil-pedestal-hyssop
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
30 January 1968
Type
Shop
Address
Church of St Caffo, Llangaffo, Rhosyr
OS grid reference
SH 446 685
Coordinates
53.19108, -4.32713
Source
Cadw listing

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

Description

The Church of St Caffo is an Early English style building, likely dating from the early 13th century, with subsequent development. The church is constructed of rubble masonry, with limestone dressings. The south-facing walls and the east wall of the tower are rendered. It has a slate roof with stone copings. The building comprises a four-bay nave, a shorter, narrower chancel at the east end with a north transept, and a west tower with a broach spire. Lean-to additions are present on the east wall of the north transept and the south wall of the chancel.

The exterior features include lancet windows to the nave, with angled buttresses. The chancel has a single lancet window in the south wall and a pointed-arched east window of three lights. The north transept has paired round-headed lights in the north gable and a depressed pointed-arched doorway in the west wall; the east wall has a lean-to extension with a tall ashlar stack at the junction. The three-stage west tower incorporates a pointed-arched doorway in the north face at a lower level, narrow lancet windows above, and a belfry with paired trefoil-headed louvred lights. Tall buttresses are at the tower’s angles, and a stair tower at the southeast corner is lit by a single lancet window.

Entry to the church is through a pointed-arched doorway at the west end of the nave. The nave has six roof bays, and the chancel has four. The chancel interior shows exposed collared trusses. The sanctuary is raised by one step, with encaustic tiles and a moulded sanctuary rail resting on fretwork stanchions. A reredos is formed by recessed panels of encaustic tiles. A pulpit features facing panels with floriate carving under a moulded cornice. A 12th-century font is a circular bowl tapering to the base, where it has been cut to fit a modern octagonal plinth, with a redressed surface decorated with panels containing chevrons. The north wall of the north transept displays 17th-century memorials, including fragments of an alabaster mural monument dating from around 1660, comprising a broken pediment, a cherub’s head, a scrolled pediment with a small plate inscribed “M'iae SACRUM” and an achievement. Flanking this are slate memorial plaques to Edward Wynne, D.D., d.1669, and his wife Sydney, d.1670, and to Elizabeth White, wife of Hugh Hughes, d. 1630. An early 7th-century inscription stone, originally from Fron-Deg, Newborough, is also set into the wall. The porch contains a fragment of a pierced wheel cross head, dating from the 9th to 10th centuries, with interlaced work.

The churchyard contains the remains of a weathered 9th or 10th-century cross shaft, six 9th to 11th-century gravestones, and one dating from the 12th or 13th century.

Local climate

Church of St Caffo sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 6 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.

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