Broneirion is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 26 November 1996. House. 2 related planning applications.
Broneirion
- WRENN ID
- rusted-steel-pigeon
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 26 November 1996
- Type
- House
- Address
- Broneirion, Llandinam, SY17 5DE
- OS grid reference
- SO 021 886
- Coordinates
- 52.48714, -3.443
- Source
- Cadw listing
Description
Broneirion is a mansion built in the Italianate style, constructed from ashlar limestone with slate roofs. It has two storeys, an attic, and cellars. The main east-facing front, which overlooks the valley, features five bays, with the central three bays projecting and reducing to one bay at the first floor level. While the façade is symmetrical, the main entrance is located in the right bay and consists of an arched opening supported by twisted stone columns. The ground floor is channel rusticated and has quoins, while the upper floor is finished in stucco. The windows are plate glass sash, arranged as singles and pairs. The windows in the centre and end bays of the upper floor are framed with an entablature and aprons. The attic windows interrupt the strong eaves, with a dentilled cornice rising above them in the form of a stilted round-headed arch, topped with a spike finial. The chimney stacks are symmetrically placed.
The north front, which overlooks the bowling green, has seven bays, with the eastern bay projecting, canted, and gabled. This bay features carved spandrels above the windows, including a notable depiction of Ceres, dated 1864. The windows here are four-paned sashes, accompanied by four round-headed raised dormers. The south side includes a canted three-storey bay. At the rear, there is an extension that is set back and features a large transomed window on the south side, which illuminates the billiard room and includes stained glass in the head lights.
The interior was mostly refitted around 1910. The main entrance leads into an inner hall with an open-well dog-leg oak staircase to the left. The drawing room on the south side includes a lateral marble fireplace and a dentilled cornice. The library on the north side has bookshelves flanking a central fireplace, with leather dust pelmets above the shelves. The dining room is located at the rear, in the centre of the north front. The added billiard room features an inglenook recess flanked by light oak Ionic columns, along with a free-style fireplace that has a beaten copper hood and an ornamental plasterwork chimney breast.
Local climate
Broneirion sits in a wetter-than-average part of the UK, with an average of 1,090 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 78% of listed buildings.
It experiences an average of 48 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 28 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
- Related listed building consents — 2 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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