Pen-y-lan Farmhouse is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 29 March 2000. House. 1 related planning application.

Pen-y-lan Farmhouse

WRENN ID
stranded-lime-dew
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
29 March 2000
Type
House
Address
Pen-y-lan Farmhouse, Newport, Caerwent, NP26 3AS
OS grid reference
ST 428 905
Coordinates
51.61096, -2.82619
Source
Cadw listing

Also on this page: sale history · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Pen-y-lan Farmhouse is a late 17th-century house, though its history is more complex, with earlier origins. The exterior is smooth cement rendering over rubble limestone, with freestone dressings and a concrete tile roof. The south elevation features a central three-story porch. A plain doorway leads to the main entrance, which consists of four vertical planks with panelled mouldings, strap hinges, and an ovolo moulded oak frame. Above the doorway is a two-light casement with a stone mullion, a dripstone, and replacement joinery. The roof is steeply pitched with no verges, and there is a gable stack to the left. To the left of the porch, the hall window has been replaced with a set of hardwood French doors, and a wide rendered area may obscure a former fire window or original stair position. Above this is a three-light casement and a single light one, with the remainder obscured by the porch. The right side of the porch is obscured by a modern conservatory, with a two-light casement above and a gable stack. The left gable has the original entry, now a three-by-three pane window with a four-centred head. The rear elevation has later additions and outshuts, but retains a three-story gabled wing of 17th-century origin, with a three-light timber casement on each floor, the upper two having dripmoulds.

Inside, the porch leads to a cross-passage, with a large room on either side. To the left is a hall from a 16th-century house, containing a large fireplace with an enormous stone lintel and a bread oven. To the right of this is the old entrance doorway. The room to the right of the cross-passage has a smaller fireplace with a monolith surround. All ceiling beams are chamfered; some have run-out stops. The cross-passage contains a timber dogleg staircase around a stone centerpiece. The first floor also features chamfered beams, although modern partitioning obscures the original room arrangement. The attic has a single plastered room above the porch, with a plank door and a cambered head. The roof is a principal rafter structure with cranked collars, two tiers of trenched purlins, a diagonally set ridge piece; the rafters have been replaced.

Local climate

Pen-y-lan Farmhouse receives an average of 860 mm of rain a year. This makes it wetter than 62% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 63% of listed buildings.

It experiences an average of 36 freeze-thaw cycles a year, more than 64% 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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  • No EPC on record for this property
  • Sale history — 1 transaction since 2018
  • Related listed building consents — 1 application
  • 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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