3 Mostyn Street is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 16 March 1976. Shop.
3 Mostyn Street
- WRENN ID
- heavy-render-spindle
- Grade
- II
- Local Planning Authority
- Conwy
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 16 March 1976
- Type
- Shop
- Address
- 3 Mostyn Street, Llandudno
- OS grid reference
- SH 785 821
- Coordinates
- 53.32248, -3.82452
- Source
- Cadw listing
Description
Nos 1 and 3 Mostyn Street in Llandudno is a late 19th-century stucco building that houses shops with living accommodation above. It stands three storeys tall with an attic, featuring a slate roof and gabled dormers. The building has camber-headed windows with sash glazing and is adorned with a modillion and dentil eaves cornice.
The façade has a two-window arrangement, with paired windows on the top floor. On the first floor, there is a semi-circular bay window on the left and a shallow two-window square bay window on the right.
A veranda supported by slender fluted iron columns features bands, capitals, and spandrils that have slightly different designs, with cresting running between one pair of spandrils and the next.
Local climate
3 Mostyn Street sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 76% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, fewer than 51% of listed buildings. Of these, 18 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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