Manian Fawr is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 14 April 1992. Portal dolmen.
Manian Fawr
- WRENN ID
- unlit-pediment-crow
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 14 April 1992
- Type
- Portal dolmen
- Address
- Manian Fawr, St Dogmaels, St. Dogmaels
- OS grid reference
- SN 153 479
- Coordinates
- 52.09888, -4.6979
- Source
- Cadw listing
Description
Manian Fawr is an early 18th century farmhouse, with possibly earlier origins, that has been altered over time. The building is constructed of roughcast rubble stone and features a small slate roof, forming an L-shape with three stone end stacks. It is one and a half storeys tall and has a double-fronted design, with a 12-pane sash window in a stucco surround on each side of a central door, which is set within a gabled porch added in 1990. The door is a six-panel type with an overlight above it. There are two gabled eaves dormers that are not aligned, featuring 20th century plate glass and slate sills. The farmhouse has a raised stucco plinth and angle strips. On the west end wall, there is a similar 12-pane sash window on the ground floor and a small upper window.
The rear range includes a door at the angle and a 20th century four-pane window to the left, along with a 20th century porch. The upper floor features a small 12-pane sash window to the right, which breaks the eaves, and a very small pair of casement windows to the left, located under the eaves.
Inside, the two front rooms have heavy beams, with the beams in the south room encased and the room panelled in late 19th century boarding. The rear wing contains a narrow dog-leg staircase, smaller ceiling beams, and a large end fireplace, with its lintel replaced in iron following fire damage. The main range boasts a five-bay pegged oak roof with heavy collar trusses, while the rear range features two heavy scarfed crucks and one raised cruck blade on the north side, with the principal timbers on the south side having been replaced.
Local climate
Manian Fawr sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% of listed buildings. Of these, 2 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
- No related consent applications matched
- 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
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