Aberllefenni House is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 1 March 2023. Commercial building. 4 related planning applications.
Aberllefenni House
- WRENN ID
- distant-keystone-owl
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 1 March 2023
- Type
- Commercial building
- Address
- Aberllefenni House, 23-5 Heol Penrallt, Machynlleth, SY20 8AG
- OS grid reference
- SH 745 008
- Coordinates
- 52.59136, -3.85328
- Source
- Cadw listing
Description
Aberllefenni House is a substantial 3-storey, 3-bay commercial building dated to the 18th century, facing onto Heol Penrallt. A separate range running parallel to the main building, linked by modern extensions, is not of group value. The front façade has a ground floor combined shop and office display. To the right is a single bay set back under a roof with deeply overhanging, bracketed eaves. The building is roughcast, with a slate roof. The upper floors have replacement uPVC sash windows with plain projecting cills. The ground floor display front is particularly fine, with a full-width bracketed cornice over an offset door to the right, a single window to the right, and three windows to the left. A 6-panel door is set back in a panelled recess, with a stencilled overlight reading “Aberllefenni House.” Raised stall risers and cills feature on the windows, which are separated by engaged Tuscan style columns, paired at either end. Cast-iron spear-head railings on a low dwarf wall enclose a small courtyard to the front, with urn finials to the gate posts (the gates are missing). A modern shop sign is above the display front to the left. A single bay is visible in the left return, where it meets an adjoining building, featuring an attic window. The right-hand gable has a small-pane replaced sash window to the attic. The set-back single bay has an entrance to upper storey accommodation with a replacement door on the ground floor, and replacement windows on the upper storeys. Two further windows are present on the second storey, along with an attic window in the gable return.
At the rear is a two-storey, single-bay hearse house, opening onto Church Place. It has rubble walls, roughcast, and a slate roof. The hearse house features double boarded doors with wrought iron fittings on the ground floor. A horizontal lintel sits directly above a boarded door on the first storey. Internally, Aberllefenni House is reported to retain shutter linings to the ground floor shop windows and to have utilized slate for fittings throughout. The hearse house is known to have blocked doors on the ground and first floors, formerly leading to adjoining accommodation.
Local climate
Aberllefenni House sits in one of the wettest parts of the UK, with an average of 1,320 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 8 transactions since 2002
- Related listed building consents — 4 applications
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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