Castle Mill Bridge is a Grade II listed building in the Wrexham local planning authority area, Wales. First listed on 18 February 2003. Bridge. 1 related planning application.

Castle Mill Bridge

WRENN ID
western-hinge-root
Grade
II
Local Planning Authority
Wrexham
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
18 February 2003
Type
Bridge
Address
Castle Mill Bridge, Glyntraian, LL14 5BL
OS grid reference
SJ 263 375
Coordinates
52.93056, -3.09673
Source
Cadw listing

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

Description

The Castle Mill Bridge is a single-span bridge constructed of rubble stone, dating to an unknown period. It features a high, semi-circular arch formed of stone voussoirs, protected by a dripmould. A wide string course of dressed stone runs along the bridge, leading to rubble parapets that are topped with flat copings of pecked stone. The bridge deck is slightly humped and splayed towards its ends, connecting to square end piers that are integrated with the parapets.

Local climate

Castle Mill Bridge receives an average of 870 mm of rain a year. This makes it wetter than 62% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 80% of listed buildings.

It experiences an average of 46 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 26 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 — 9 transactions since 1995
  • Related listed building consents — 1 application
  • 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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