St Elmo is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 9 October 1987. House.
St Elmo
- WRENN ID
- twisted-doorway-storm
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- St Ives MP: Andrew George (LD)
- Country
- England
- Date first listed
- 9 October 1987
- Type
- House
- Address
- St Elmo, North Street, Marazion
- OS grid reference
- SW 517 306
- Coordinates
- 50.1238, -5.47399
- Source
- Historic England listing
Description
St Elmo is a house that was remodeled and heightened in the late 19th century, originally built in the 18th century. It features a brick front and has hipped roofs made of grouted scantle slate, with rendered chimneys on the side walls. The building has a double-depth plan, consisting of two rooms at the front with a cross passage leading to a central stair that connects to rear service rooms.
The exterior is three storeys high and has a symmetrical north front with three windows on the first floor and a central doorway. The doorway has a six-panel door with fielded panels and an overlight, all framed within a stucco doorcase that includes consoles supporting a moulded entablature. The windows are mostly four-pane horned sashes, except for an original 18th-century twelve-pane hornless sash with wide glazing bars located above the doorway, which has been painted over. There are strings between the floors and stucco aprons under the sills. At the rear, there is a round-headed stair window with horned sashes. The interior has not been inspected.
Local climate
St Elmo receives an average of 910 mm of rain a year. This makes it wetter than 68% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.
It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 1 follows 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.
- 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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