Maes-y-Castell is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 13 October 1966. House.

Maes-y-Castell

WRENN ID
spare-marble-saffron
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
13 October 1966
Type
House
Address
Maes-y-Castell, Caerhun
OS grid reference
SH 764 705
Coordinates
53.21746, -3.85139
Source
Cadw listing

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

Description

Maes-y-Castell is a storied house constructed of rubble with some decorative timber framing, featuring slate roofs and plain two-stage chimneys. The building is designed in an L-shape, comprising a west range that serves as the entrance and a north cross-wing. The west range includes a two-storey gabled porch with an inset sandstone plaque displaying the arms of the Williams family along with the initials EW and GW, representing Edward and Grace Williams. Attached to the south of the cross-wing is a large single-storey modern porch.

On the garden side of the cross-wing, there are two three-light mullioned and transomed windows on the ground floor, flanking an entrance with a modern door. To the right on the first floor, there is a cross-window, and to the left, a jettied timber-framed section with close-studding, along with two additional cross-windows. Most of the other openings in the building are modern.

Inside, the ground floor of the west range features a high-quality three-bay beamed ceiling, which originally served as one room, likely the hall, though it has since been partitioned into two rooms. The main and secondary beams and joists are finely moulded, and some relocated panelling remains on both the ground and first floors.

Local climate

Maes-y-Castell sits in a wetter-than-average part of the UK, with an average of 1,150 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.

It experiences an average of 40 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 23 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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