Mervinia is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 14 October 1994. Archaeological site. 2 related planning applications.
Mervinia
- WRENN ID
- leaning-pedestal-reed
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 14 October 1994
- Type
- Archaeological site
- Address
- Mervinia, 1 Mervinia Terrace Road, Aberdyfi, Aberdovey, Gwynedd
- OS grid reference
- SN 618 960
- Coordinates
- 52.54513, -4.03892
- Source
- Cadw listing
Description
Mervinia is a mid-19th century terrace of four houses. The buildings are two-storeys high with one window each and feature a rendered exterior and a slate roof. They are arranged as two mirrored pairs, with the doors positioned together; however, No 1 has a two-storey extension to the left that is set back. The first-floor windows are located at the eaves and consist of 12-pane hornless sashes, while the ground floors have similar windows. The doors are modern and boarded.
Local climate
Mervinia sits in one of the wettest parts of the UK, with an average of 1,320 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 26 freeze-thaw cycles a year, fewer than 72% of listed buildings. Of these, 12 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 2015
- Related listed building consents — 2 applications
- 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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