Monachty/ Mynachdy is a Grade II* listed building in the Ceredigion local planning authority area, Wales. First listed on 3 June 1964. House.

Monachty/ Mynachdy

WRENN ID
rusted-courtyard-equinox
Grade
II*
Local Planning Authority
Ceredigion
Constituency
Ceredigion Preseli MP: Ben Lake (PC)
Country
Wales
Date first listed
3 June 1964
Type
House
Address
Monachty/ Mynachdy, Dyffryn Arth
OS grid reference
SN 504 619
Coordinates
52.23571, -4.19164
Source
Cadw listing

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

Description

Monachty, also known as Mynachdy, is a Grade II* listed building featuring a symmetrical and well-proportioned neo-classical design on its entrance facade, which has six bays. The exterior is finished in colourwashed roughcast with raised stucco strips. It has slate hipped roofs, deep bracketed eaves, and whitewashed stuccoed stacks. The south front is two-storey with six windows, showcasing a slightly projecting pedimented two-window center and two stacks located behind the ridge. The first floor is adorned with six 12-pane sash windows, with the center two being closer spaced. The four ground floor windows feature full-length 18-pane sashes, and there is a broad enclosed porch at the center.

The porch includes a cornice, a low parapet, paired pilasters, and a wide doorway with paired panelled doors topped by a traceried shallow arched fanlight. Each side of the porch has a single window with paired pilasters. The east end of the building has a two-window layout with angle piers, and the ground floor features a large pilastered and corniced canted bay with three long 12-pane sashes. The west end includes a three-bay conservatory with a monopitch glass roof against a stuccoed coped wall and a canted hipped west end, also with 18-pane long sashes and stuccoed pilasters.

The northeast rear wing is likely the earlier part of the house, dating from the mid-18th century, and has been remodeled to match the main structure. Its plain six-window east facade features angle piers, an eaves band, 12-pane sashes on the upper floor, and 18-pane sashes below. The roof has a valley with a double hipped north end and an end stack. The west side of the wing has a basement and a flat-roofed single-storey addition at the right angle, which includes three windows above and, to the left, a door with an overlight and 12-pane sashes on each floor to the left, along with 12-pane sashes lighting the stairs to the right. There is also a single-storey addition at the north end with a hipped roof.

Local climate

Monachty/ Mynachdy sits in one of the wettest parts of the UK, with an average of 1,270 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.

It experiences an average of 26 freeze-thaw cycles a year, fewer than 72% of listed buildings. Of these, 13 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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  • Detailed attributes — period, style, materials, features
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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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  3. Outbuilding on S side of farmyard at Monachty Grade II 59 m
  4. SE range of farm court at Monachty Grade II 74 m
  5. Covered Dung-pit in Monachty Farmyard Grade II 77 m
  6. L-plan ranges on N and W sides of farmyard at Monachty Grade II 84 m
  7. E range of farmyard at Monachty Grade II 94 m
  8. Gates and Railings at South Lodge Grade II 199 m
  9. South Lodge Grade II 203 m
  10. Gates and Railings at North Lodge Grade II 307 m