National Westminster Bank is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 19 February 1993. Bank. 1 related planning application.
National Westminster Bank
- WRENN ID
- tall-step-alder
- Grade
- II
- Local Planning Authority
- Conwy
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 19 February 1993
- Type
- Bank
- Address
- National Westminster Bank, 6 Station Road, Llanrwst, LL26 0EP
- OS grid reference
- SH 797 616
- Coordinates
- 53.13856, -3.79903
- Source
- Cadw listing
Description
The National Westminster Bank, on the corner of Station Road and Bro Helyg, was designed by Shayler and Ridge and built between 1922 and 1924 for the National Provincial Bank. It is a fine example of a bank designed in the early 18th century style. The building is two storeys high with attics and has a steeply pitched slate roof with tall stone chimneys. There are three dormers on each street elevation, alternating between triangular and segmental pediments, each with small pane casement glazing. The pale ashlar elevations feature a dentil cornice, stringcourses below the first and ground floor windows, and a shallow plinth.
A single bay projects at the splayed corner, featuring a first-floor twelve-pane horned sash window within an architrave with a stepped keystone. The entrance doorway has an open segmental pediment containing a cartouche with the ‘NPB’ monogram, flanked by banded Ionic columns, and a stepped voussoir-lintel.
The elevation to Station Road has five bays; the first floor features three twelve-pane horned sash windows flanked by narrower eight-pane horned sashes. On the ground floor, three taller fifteen-pane sashes are present, with a narrower ten-pane sash to the left and a doorway with a cornice and a small sash window above it to the right.
The Bro Helyg elevation, also with five bays, has twelve-pane horned sashes to the first floor and fifteen-pane sashes to the ground floor, with architraves similar to those on Station Road. A lower, red brick extension to the rear has a hipped roof and an attic dormer facing the road.
References: E Hubbard, Clwyd (The Buildings Of Wales), 1986, p 238.
Local climate
National Westminster Bank sits in one of the wettest parts of the UK, with an average of 1,200 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.
It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 27 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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.
- No sale records on file
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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