Baron Hill is a Grade II* listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 23 September 1950. A Georgian Country house.
Baron Hill
- WRENN ID
- dusk-banister-spindle
- Grade
- II*
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 23 September 1950
- Type
- Country house
- Period
- Georgian
- Address
- Baron Hill, Beaumaris
- OS grid reference
- SH 598 765
- Coordinates
- 53.26778, -4.10286
- Source
- Cadw listing
Description
Baron Hill is a ruined large Georgian country house, largely constructed of rendered brick and without a roof. The main fabric dates from the 18th century, with later alterations.
The two-storey west entrance front comprises a seven-bay main range with three bays projecting to the left and four bays projecting to the right. A four-column portico, featuring Tuscan columns on high bases, a Doric entablature, and a balustrade, provides the main entrance. The lower storey of the main range is rusticated. Above, the three central bays have round-headed windows, while the outer bays feature architraves with pediments and balustrades. A rainwater head dated 1838 is visible on the left-hand side. Significant portions of the parapet balustrade remain. The three bays at the left end have architraves framing the upper-storey windows, with more elaborate architraves on the lower storey, the central one topped with a segmental pediment. To the right are three similar bays alongside a plainer fourth bay.
The four-bay north front has windows set within architraves. Where the brickwork is exposed between the storeys, blind segmental-headed windows are present in the outer bays, alongside blocked oculi centrally, which were incorporated as part of the original design by Wyatt.
The east garden front best reflects Wyatt’s original vision, although it has been reduced by one storey and features windows and doors opening onto a terrace providing views towards Beaumaris Castle and the mountains beyond. It includes three advanced bays in the centre, dominated by a full-height bow with a parapet balustrade, two bays set back on either side (effectively remodelled cross wings of a previous Jacobean house), and lower, polygonal outer bays. The lower storey is rusticated and the upper-storey windows are framed by architraves with pediments, as are the lower-storey windows of the outer bays.
A large, three-storey service block constructed of rubble stone with brick dressings stands on the southwest side of the house, nearly square in plan. The west side of this block is formed of two broad, pedimented bays, between which are gate piers leading to an inner courtyard. A rainwater head dated 1838 is visible on the south side.
The interior of the house is entirely gutted. Cast iron girders have been inserted at the north end in place of the original timber beams. A three-storey rubble-stone wall, with a mullioned window in the upper storey, remains in the centre of the house – the only visible feature relating to the original Jacobean house.
Local climate
Baron Hill sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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.
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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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