Dolphin House is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 21 October 1977. Town house. 1 related planning application.

Dolphin House

WRENN ID
small-attic-snow
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
21 October 1977
Type
Town house
Address
Dolphin House, 27, St Gluvias Street, Penryn, TR10 8BL
OS grid reference
SW 785 344
Coordinates
50.16899, -5.10299
Source
Historic England listing

Also on this page: related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Dolphin House is a Grade II listed building located on Gluvias Street in Penryn. Originally three attached townhouses, it has also served as a public house and is now a single residence. The building dates back to the 17th century, was remodeled in the 18th century, and refronted in the mid-19th century. The front is finished in stucco over rubble, featuring a plinth, end pilasters, eared architraves, sill brackets, and a moulded mid-floor string, while the rest is painted rubble. It has steep dry slate roofs, with a rubble stack on the right and a brick axial stack on the rear wing. The L-shaped plan includes a former pair of small houses at right angles to the rear right and a former mill leat to the right. The structure is two storeys high and has a slightly asymmetrical three-window range. The windows are 20th-century hornless sashes with glazing bars. A pilastered doorway is slightly left of center, adorned with consoles and a dentilled cornice, leading to a 20th-century door. The interior was renovated around 1980, during which the 17th-century front roof structure was replaced. Surviving features include a 17th-century ovolo-moulded wooden window, relocated from the ground floor opening of the rear wing, an 18th-century dog-leg closed-string staircase with turned balusters and a moulded handrail, and a late 17th to early 19th-century bolection-moulded chimneypiece in the right-hand chamber.

Local climate

Dolphin House receives an average of 850 mm of rain a year. This makes it wetter than 59% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.

It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% 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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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 1 application
  • 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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  1. 33 and 35, St Gluvias Street Grade II 13 m
  2. 23, St Gluvias Street Grade II 13 m
  3. 26, St Gluvias Street Grade II 25 m
  4. 24, St Gluvias Street Grade II 29 m
  5. 22, St Gluvias Street Grade II 32 m
  6. 34, St Gluvias Street Grade II 32 m
  7. 37, St Gluvias Street Grade II 32 m
  8. Hornpipe Cottage Grade II 40 m
  9. 18 and 20, St Gluvias Street Grade II 42 m
  10. 39, 39a and 41, St Gluvias Street Grade II 46 m