Bryntirion is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 25 October 1951. Terraced house.

Bryntirion

WRENN ID
hollow-chapel-russet
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
25 October 1951
Type
Terraced house
Address
Bryntirion, Amlwch
OS grid reference
SH 439 928
Coordinates
53.40973, -4.34874
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Bryntirion is an early 19th-century townhouse that stands two storeys high with attics. It features a three-window range and a one-window wing to the left (west), along with a storeyed wing at the rear that was formerly used as stables and a coachhouse. The building is constructed from rendered stone and brick, topped with a slate roof that has tall rendered end stacks with capping on the main section of the house.

The principal elevation faces an enclosed garden to the south and presents a three-window pedimented range with a single window wing to the left (west). The exterior is finished in stuccoed render with ashlar scoring and rusticated quoins. The entrance is marked by a panelled door beneath a rectangular fanlight with glazing bars. A moulded wood porch with an entablature is supported by coupled shafts that are engraved with a key-pattern. The flanking ground floor windows are large six-pane horned sashes, while the tripartite window in the left-hand wing has a central twelve-pane horned sash flanked by two-pane sashes. The first floor features large horned sash windows with an eight-pane top light, and the attic storey includes a central open pediment with a circular light set in a moulded archivolt.

The rear elevations are roughly cast rendered. The main part of the house has its doorway offset to the right (west), with large sixteen-pane horned sash windows on both the ground and first floors, and a stair window featuring a single lower pane. The single window wing to the right (west) has a sixteen-pane window on the first floor and a tripartite window below, similar to the front. Advancing from the right (west) end of the range is a storeyed wing with a hipped roof, which has an entrance through a wide double door in the north wall. The left (east) return features a single first floor six-pane window at the north end, mirrored by a similarly detailed window in the right (west) return, with additional ground floor windows at the south end being sixteen-pane horned sashes.

Inside, the main entrance leads into a central hall with principal rooms on either side. At the rear of the hall is a dog-leg staircase with a ramped moulded handrail on stick balusters, leading to an axial corridor at the back. The interior retains panelled doors and window reveals, along with simple picture and dado rails.

Local climate

Bryntirion sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 2 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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