Gwylan House is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 7 February 1974. Cottage. 2 related planning applications.
Gwylan House
- WRENN ID
- ruined-render-root
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- St Ives MP: Andrew George (LD)
- Country
- England
- Date first listed
- 7 February 1974
- Type
- Cottage
- Address
- Gwylan House, Wesley Square, Penzance, TR19 6RU
- OS grid reference
- SW 469 262
- Coordinates
- 50.08243, -5.53926
- Source
- Historic England listing
Description
Gwylan House is a late 18th or early 19th century cottage that was refaced in the late 19th century. It is constructed of coursed granite and has a slate roof. The building features two gables, with the left-hand gable being wider. It has pierced bargeboards and finials. The two-storey front has three windows, which are large sashes without glazing bars. A modern door is set within the entrance, above which is a narrow rectangular fanlight. The property is included in the listing for its group value, forming part of a collection with numbers 8 and Bay View on the Wharf.
Local climate
Gwylan House sits in a wetter-than-average part of the UK, with an average of 970 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 1 freeze-thaw cycle a year, fewer than 99% of listed buildings. 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.
- Sale history — 11 transactions since 1995
- 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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