Penmaes is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 17 January 1963. A C19 Farmhouse. 1 related planning application.

Penmaes

WRENN ID
dusted-corbel-ebony
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
17 January 1963
Type
Farmhouse
Address
Penmaes, Llanfilo, Brecon, Felin-Fach, LD3 0RE
OS grid reference
SO 120 332
Coordinates
51.99072, -3.28249
Source
Cadw listing

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

Description

Penmaes is a farmhouse, dating from the earlier 19th century. The exterior is white-painted stucco with a slate roof and stone end stacks. The house is two storeys and has an attic. The front elevation is irregular, with flat eaves and earlier 19th century cambered-headed sash windows with stone sills. The upper windows are four 16-pane sashes, while below are two tripartite 4-12-4-pane sashes, one on each side of a four-panel door. The door, which has a small leaded hood on brackets, is in the third bay; the window to the right is aligned with the fourth window above, but the window to the left is set between the first and second windows above. The left end has two 20th-century loft windows. To the left, in the end of the rear outshut, is a door with a 16-pane sash window to its left and a casement pair window above. The rear has a long, plain-tiled roof slope with two tall, rubble stone chimneys: one on the slope to the left of centre and another, much taller, on the eaves to the right. A small catslide dormer is positioned centrally. The rear wall is of whitewashed rubble and contains a brick cambered-headed casement pair window to the right of centre, a door in a lean-to porch to the left of centre, and an angle to a single-storey rear range with a brick end stack. The right end is of whitewashed rubble with a casement pair window to the attic and a large tripartite sash window to the first and ground floors, all with stone voussoirs. A straight joint marks the outshut to the right, which has one first-floor window. Attached to the rear north-east corner is a small, square, former dovecote with a pyramid roof and a pyramid-roofed, stone-tiled timber lantern, both stone-tiled. The dovecote has a cambered-headed south door with stone voussoirs and a window on each floor to the east. The interior was not inspected.

Local climate

Penmaes sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.

It experiences an average of 52 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 30 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 4 transactions since 2004
  • 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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  5. Church of St Bilo Grade I 136 m
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