Bulkeley Monument is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 23 September 1950. House.

Bulkeley Monument

WRENN ID
sombre-tower-bramble
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
23 September 1950
Type
House
Address
Bulkeley Monument, Twr Hill, Beaumaris
OS grid reference
SH 591 771
Coordinates
53.27294, -4.11417
Source
Cadw listing

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

Description

The Bulkeley Monument is a tall obelisk made of ashlar stone, standing on a broad, level platform. It features a coursed rock-faced plinth with diagonal buttresses. The base of the monument is panelled and has an inscription on the south side, which is located beneath a moulded cornice.

Local climate

Bulkeley Monument 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. Barn at Twr Hill Grade II 212 m
  2. Bryn Bela Grade II 432 m
  3. Boundary stone N of Bryn Bela Grade II 448 m
  4. Elusendai Grade II 725 m
  5. Turret Lodge (pair of lodges) Grade II 766 m
  6. Baron Hill Grade II* 946 m
  7. Viewing platform and colonnade on the S side of Baron Hill Grade II 1.0 km
  8. Bridge over B5109 on drive to Baron Hill Grade II 1.1 km
  9. Ice house at Baron Hill Grade II 1.1 km
  10. Ysgol Gynradd Beaumaris Primary School including attached range to right Grade II 1.2 km