Church of St Michael (old church) is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 30 January 1968. A Medieval Church. 2 related planning applications.
Church of St Michael (old church)
- WRENN ID
- knotted-tracery-swift
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 30 January 1968
- Type
- Church
- Period
- Medieval
- Address
- Church of St Michael (old church), Gaerwen, Llanfihangel Ysgeifiog
- OS grid reference
- SH 478 734
- Coordinates
- 53.23594, -4.28074
- Source
- Cadw listing
Description
The Church of St Michael, also known as the old church, features the eastern part of the original structure, primarily the chancel and north chapel. The walls are made of rubble masonry with sandstone dressings and are full height, although the church is currently roofless. Access is through a doorway in the west wall of the chancel, which has a mid 15th century pointed-arched opening set in a square frame, complete with moulded and shafted jambs, as well as a moulded label and quatrefoils in the spandrels. The west wall also includes the original reset gabletted bellcote.
The south wall has been rebuilt, but the west respond of the opening to the chapel remains visible. The north wall features a mid 15th century rectangular window with moulded jambs and head, while the opening to the north chapel has been narrowed. The east chancel wall has a late 16th century window with three round-headed lights in a square frame, showcasing cavetto mullions and a moulded hoodmould. Similar windows are found in the north and east walls of the north chapel, while the west wall has a blocked round-headed window to the south with chamfered jambs and a straight hoodmould, and a blocked doorway to the north with a depressed pointed-arched head and similar hoodmould.
Above the east chancel window is a datestone featuring a shield, initials, and the date I E S 1598, along with the letters T R and R W inscribed in the angles of the label's return. A nearby stone bears a partly illegible inscription: PWYBYNAC / A WNEL TAVA / RN O EGLWYS / DUW ...... TO / ...... A contemporary inscription encircles the outer fillet of the frame in the west doorway, reading: OETTA [Y] ADRODD [YN Y] DRWS / PADER A GWEDDI DROS ENAID [W] AP [HOLL] AP DD AC ENEIDIEU ME[I] / RW [A C]HRISTNOGION Y BYD; and on a panel above the north window of the chapel is inscribed T H MILES POSSIDET HA / NC CAPELLAM / LAVS DEO / V[L]T FEBR / 163(8). The churchyard, which is roughly circular, is enclosed by a low rubble wall featuring a roughly embattled parapet and contains several 18th and 19th century slate chest tombs.
Local climate
Church of St Michael (old church) 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.
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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