50 Castle Street is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 20 February 1978. Terrace house.

50 Castle Street

WRENN ID
scattered-buttress-magpie
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
20 February 1978
Type
Terrace house
Address
50 Castle Street, Beaumaris, LL58 8BB
OS grid reference
SH 604 760
Coordinates
53.26266, -4.09338
Source
Cadw listing

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

Description

This is a short, late-Georgian style terrace of three 3-storey houses situated on a corner site, forming a group with 50-52 Castle Street and 2 Steeple Lane. The houses have pebble-dashed walls set on a freestone plinth, with ashlar quoins and a slate roof punctuated by roughcast, brick, and pebble-dashed stacks.

Numbers 50 and 52 Castle Street are each two-bay houses, with the main entrance located in the left-hand bay of each, above which are blind windows. Number 50 has a moulded doorcase surrounding a recessed door constructed of two round-headed panels and an overlight. To the right of the door is a 12-pane horned sash window, which sits beneath an entablature featuring a dentilled cornice. The middle storey has a two-light oriel window. The remaining windows have smooth-rendered architraves and raised bands, with the upper storey featuring a 9-pane sash window. Number 52 has a painted freestone surround framing a six-panel door and a plain overlight. Windows in this property are 12-pane hornless sashes on the lower and middle storeys, and a shorter 9-pane sash in the upper storey.

Number 2 Steeple Lane presents a single bay facing Castle Street. This bay mirrors the fenestration of the other houses, with a 12-pane hornless sash window on the lower storey, a two-light oriel window on the middle storey, and a shorter 9-pane hornless sash window on the upper storey. The Steeple Lane elevation has a four-panel door and a 12-pane hornless sash window on the left. A replacement stair window is positioned in the upper left corner.

The rear elevation of Number 2 Steeple Lane features small sash windows above a single-storey lean-to addition. Number 52 Castle Street has hornless small-pane and replacement sashes. Number 50 Castle Street has a later, added rear wing.

Local climate

50 Castle Street 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 3 transactions since 1999
  • 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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Nearby listed buildings

  1. 52 Castle Street Grade II 5 m
  2. The Gatehouse, including attached section of town wall at the rear Grade II 6 m
  3. 2 Steeple Lane (52a Castle St) Grade II 8 m
  4. Shop, house and offices Grade II 18 m
  5. 2 Bulkeley Terrace Grade II 19 m
  6. 1 Bulkeley Terrace Grade II 21 m
  7. P Alton Murphy Opticians, 3 Bulkeley Terrace Grade II 21 m
  8. Bishopsgate Hotel & Restaurant Grade II* 23 m
  9. 4 Bulkeley Terrace Grade II 26 m
  10. NatWest Bank, 5 Bulkeley Terrace Grade II 30 m