May House is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 26 June 1987. House. 2 related planning applications.
May House
- WRENN ID
- guardian-casement-acorn
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- North Cornwall MP: Ben Maguire (LD)
- Country
- England
- Date first listed
- 26 June 1987
- Type
- House
- Address
- May House, 15, Dolphin Street, St. Endellion, PL29 3RJ
- OS grid reference
- SW 997 807
- Coordinates
- 50.59222, -4.83105
- Source
- Historic England listing
Description
May House is a house dating from around the mid-19th century, situated in Dolphin Street, Port Isaac. It is constructed of rendered and painted stone rubble, with the rear elevation slate-hung. The roof is slate-covered, with hipped ends and deep overhanging eaves, and features a brick chimney stack on the right-hand hipped end. The house has a double-depth plan, with rooms arranged on either side of a central stair hall.
The symmetrical front facade is three windows wide. The ground floor has two likely late-19th century two-light French windows, flanking a central timber open-gabled porch, containing a 19th-century four-panelled door and a fanlight above. The first floor has three 19th-century sash windows and a stair window.
Inside, a prominent 19th-century open-well staircase features a wreathed and ramped handrail with stick balusters. The house has a significant elevation looking onto the harbour.
Local climate
May House sits in a wetter-than-average part of the UK, with an average of 1,060 mm of rain a year. This makes it wetter than 85% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.
It experiences an average of 8 freeze-thaw cycles a year, fewer than 93% of listed buildings. Of these, 3 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 — 4 transactions since 1998
- 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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