Pant y Deri is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 18 June 2004. Gentry house.
Pant y Deri
- WRENN ID
- low-parapet-bramble
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 18 June 2004
- Type
- Gentry house
- Address
- Pant y Deri, Llanfair Nant Gwyn, Boncath, Crymych
- OS grid reference
- SN 167 374
- Coordinates
- 52.00494, -4.67172
- Source
- Cadw listing
Description
Pant y Deri is a gentry house that has been whitewashed and rendered, topped with slate roofs. The building features three and two storeys. The main block consists of a three-storey section with five windows, alongside a two-storey broad section with one window to the right, all under a single roof, making the entrance door central to the entire range. There are three rebuilt brick chimneys. The five-window section has 12-pane sash windows, although the upper floor sashes have been replaced with uPVC. The door is located in the fourth bay and features slate sills and rendered window heads, with a raised course above the plinth. The entrance consists of a six-panel door, with four fielded panels and a four-pane overlight, set within a mid to late 19th-century glazed porch. This porch has three bays at the front, with one bay at each end and a corniced flat roof. The glazing includes long six-pane fixed lights, each with a top-light and a horizontal bar bisecting iron crossed scrolls, along with a timber panel below each six-pane light. The central bay door matches this design.
The added section on the right has a straight joint and features a tripartite long window on the ground floor with four-pane lights on each side of a French window. The upper floor has a large square hornless 12-pane window. The heads are cemented, and the slate sills continue across the plinth course. To the left, there is an addition with a lower roof and paired eight-pane horned sashes at the front, along with a red brick end stack. The west end has two first-floor windows. The rear includes a hipped brick lean-to and a four-pane sash window above it. The back of the main house has an outshut with a four-pane sash window on each floor to the right, followed by a stair gable with a 12-pane hornless sash window on each floor, and an asymmetrical gable with a chimney and various windows, mostly from the 20th century, along with a narrow door featuring three fielded panels. Behind the eastern addition is a two-storey rear wing that extends north into the bank. The west side has a door and window in a veranda, and a large 20th-century window on the first floor to the right. The north end has a large 12-pane sash window on the upper floor.
The interior is reported to retain six-panel doors, panelled shutters, and a dog-leg timber stair leading to the rear.
Local climate
Pant y Deri sits in one of the wettest parts of the UK, with an average of 1,170 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 95% of listed buildings.
It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% 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
- 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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