National Westminster Bank is a Grade II* listed building in the Denbighshire local planning authority area, Wales. First listed on 24 October 1950. Bank.
National Westminster Bank
- WRENN ID
- hidden-chancel-rye
- Grade
- II*
- Local Planning Authority
- Denbighshire
- Constituency
- Clwyd East MP: Becky Gittins (Lab)
- Country
- Wales
- Date first listed
- 24 October 1950
- Type
- Bank
- Address
- National Westminster Bank, Ruthin, LL15 1DW
- OS grid reference
- SJ 123 582
- Coordinates
- 53.11427, -3.31044
- Source
- Cadw listing
Description
The National Westminster Bank is a timber-framed building dating from 1925-6, set on a stone plinth with a slate roof and a rebuilt stone ridge stack. It features a four-bay range with two tiers of large panels filled with plaster, separated by a mid-rail. Each bay is adorned with prominent curved braces supporting the upper panels.
On the north and south sides, there are opposing doorways in the eastern bay. The wooden casement windows have ovolo-moulded mullions and quarry glazing, likely from the same period. The north side, which faces St Peter's Square, includes a doorway with a segmental head on the left, leading to double boarded doors within an iron frame. To the left of this doorway is a two-light casement window, with another similar window above it in the upper tier. The two central bays each feature a tall three-light mullioned and transomed window that spans the mid-rail. An attached sign on the right reads 'The Old Courthouse AD1401'. The south side mirrors the north side, but the doorway on the right-hand bay has a single boarded and studded door, and the upper tier window is a three-light.
The east gable end has a three-light casement window on each storey, with a slightly cambered tie-beam supported by two curved braces and a collar, also on curved braces, topped with a finial. The west gable end features a two-light casement window on each storey, with an additional post on each side.
Inside, the building is open to the roof, showcasing tie-beam trusses with collars and curved braces that support the tie-beams, along with curved struts above. The end trusses are cusped at the apex, and there is one row of purlins with cusped windbraces beneath. Intermediate collars between the trusses are also cusped at the center of the soffit. The interior fittings from the 1925-6 bank conversion are consistent with the building's character, featuring panelled walls up to the mid-rail, a counter at the eastern end, a segmental arched doorway to the west leading to offices, and a straight central staircase that ascends to the upper storey at the western end. The former prison cells located below ground are reportedly still present but are blocked off.
Local climate
National Westminster Bank sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 60% of listed buildings.
It experiences an average of 38 freeze-thaw cycles a year, more than 72% of listed buildings. Of these, 21 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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- No EPC on record for this property
- No sale records on file
- 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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