Plunge Pool is a Grade II listed building in the Wrexham local planning authority area, Wales. First listed on 7 June 1963. Bath house.

Plunge Pool

WRENN ID
lesser-chimney-rowan
Grade
II
Local Planning Authority
Wrexham
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
7 June 1963
Type
Bath house
Address
Plunge Pool, Wynnstay, Ruabon
OS grid reference
SJ 305 434
Coordinates
52.98362, -3.03614
Source
Cadw listing

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

Description

This is a late 18th century bath house built from sandstone ashlar, featuring a plinth and entablature. The main south elevation has a Doric tetrastyle portico, with flanking side bays that contain recessed niches with moulded architraves. The building has a hipped slate roof with a central stack. Four stone steps lead down to a rectangular plunge pool. The right-hand return elevation retains 4-pane sash windows on the first floor, while modern windows are present below. The left-hand return elevation is similar. There is a two-storey rear extension from the late 20th century that connects to the northern elevation. The interior has been altered during its conversion to a dwelling.

Local climate

Plunge Pool receives an average of 850 mm of rain a year. This makes it wetter than 59% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 92% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 70% of listed buildings. Of these, 20 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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  • 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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  1. The Bath House Wynnstay Grade II* 5 m
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  4. Sluice Outlet Grade II 331 m
  5. 14 Park Street Grade II 337 m
  6. Cascade Grade II* 338 m
  7. 15 Park Street Grade II 342 m
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  10. 10 Park Street Grade II 351 m