Sundial and base at the Church of St Nefydd and St Mary is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 15 May 1998. House.

Sundial and base at the Church of St Nefydd and St Mary

WRENN ID
mired-render-winter
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
15 May 1998
Type
House
Address
Sundial and base at the Church of St Nefydd and St Mary, Llannefydd
OS grid reference
SH 981 706
Coordinates
53.22268, -3.52638
Source
Cadw listing

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

Description

The sundial and its base are located at the Church of St Nefydd and St Mary. The large stone base features chamfered corners and supports a sandstone cross shaft that is approximately 1 meter tall. This cross shaft is octagonal in shape and has stopped chamfers at the bottom. The top of the shaft is truncated and holds a fine brass sundial made by Thomas Heath of London. Inscribed around the sandstone rim is a dedication from the churchwardens, with the date 1666, although the lettering is indistinct.

Local climate

Sundial and base at the Church of St Nefydd and St Mary sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 79% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 50% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% 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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  • 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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Nearby listed buildings

  1. Bier-house at the Church of St Nefydd and St Mary Grade II 6 m
  2. Agricultural Range at Bryn Deunydd Grade II 1.3 km
  3. Bryn Deunydd Grade II 1.4 km
  4. Bryn Deunydd Old Chapel Grade II 1.5 km
  5. Chapel and Manse at Fynhonnau Grade II 1.6 km
  6. Tal-y-Bryn Grade II 1.6 km
  7. Bod-Ysgawen-Isaf Grade II 1.8 km
  8. Barn Range at Plas Uchaf Grade II 1.8 km
  9. Brewhouse and Piggeries at Plas Harri Grade II 1.9 km
  10. Pont-y-ddol (partly in Cefnmeiriadog community) Grade II 2.0 km