109 Mostyn Street is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 16 March 1976. Commercial building.
109 Mostyn Street
- WRENN ID
- gentle-lancet-saffron
- Grade
- II
- Local Planning Authority
- Conwy
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 16 March 1976
- Type
- Commercial building
- Address
- 109 Mostyn Street, Llandudno, LL30 2PD
- OS grid reference
- SH 781 824
- Coordinates
- 53.32523, -3.83112
- Source
- Cadw listing
Description
109 Mostyn Street is a three-storey building from the 19th century, featuring a stuccoed front elevation divided into three bays. It has a crowning cornice and a blocking course. The windows are modern and imitate sash windows but lack glazing bars. The ground floor includes a plate glass shop front. There is a late 19th to early 20th century cast-iron veranda that spans two bays, with a lean-to roof supported by twisted columns, which have capitals and spandrels.
Local climate
109 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2017
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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