Summerhill is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 20 February 1978. House.

Summerhill

WRENN ID
swift-niche-rush
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
20 February 1978
Type
House
Address
Summerhill, Beaumaris
OS grid reference
SH 602 760
Coordinates
53.26278, -4.09652
Source
Cadw listing

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

Description

Summerhill is a detached house, likely built before 1780 but significantly altered over the years. It is situated behind the Old Barracks and consists of three ranges. The front range, which faces the street, is the tallest and was either built or remodeled in the mid-19th century. This range features three sash windows that are not evenly spaced, with glazing bars except for the top middle and bottom right-hand gable. The roof is covered with small old slates.

The second range, which extends to the rear from the right end of the front range, dates from the early 19th century or earlier. It is pebble-dashed and has one sash window with glazing bars and an attic sliding sash with very small panes. There is a wooden porch from the early to mid-19th century at the angle with the front range, which has a filigree frieze, an elliptical opening, and pointed lattice arches on each side and on the return face. Its roof is also covered with small slates.

The third range, likely built in the early 19th century, is constructed of brick and rubble and features a tall gabled chimney. It has a small arched window with Grecian painted decoration on the pane and a roof of small slates.

Summerhill is part of a group that includes The Older Barracks, Old Barracks Cottage, the Hermitage, the doorway of the Hermitage, Hermitage Cottage, an outbuilding of the Orchard to the south, the Orchard, the doorway of the Orchard, and the boundary wall to the northwest and southwest of the rear gardens of the Orchard and the Hermitage.

Local climate

Summerhill 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.

More on this building

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  • 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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Nearby listed buildings

  1. Old Barracks Cottage Grade II 25 m
  2. The Hermitage Grade II 28 m
  3. The Old Barracks Grade II 34 m
  4. Doorway at entrance to The Hermitage Grade II 40 m
  5. The Orchard Grade II 40 m
  6. Hermitage Cottage Grade II 44 m
  7. Seagull Cottage Grade II 48 m
  8. Outbuilding at entrance to the Orchard Grade II 50 m
  9. Music Box Grade II 52 m
  10. Doorway at entrance to the Orchard Grade II 54 m