Old County Hall is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 30 July 1993. County hall. 8 related planning applications.
Old County Hall
- WRENN ID
- endless-vault-crimson
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- Truro and Falmouth MP: Jayne Kirkham (Lab)
- Country
- England
- Date first listed
- 30 July 1993
- Type
- County hall
- Address
- Old County Hall, Station Road, Truro, TR1 3EX
- OS grid reference
- SW 814 448
- Coordinates
- 50.26295, -5.06727
- Source
- Historic England listing
Description
Old County Hall is a county hall built between 1910 and 1912 by T.B. Silcock. The building is constructed of dressed elvan stone with granite dressings and features dry Delabole slate roofs along with dressed stone axial and gable stacks. It has a large plan that encloses two small courtyards, with a central council chamber, and is designed in a classical style. The structure is two storeys high over a basement and has a symmetrical entrance front with a 1:4:1:4:1 bay arrangement.
The single bays are accentuated by quoin strips that are set forward and topped with triangular pediments. Moulded stone parapets are located between the bays, and the basement plinth is made of rock-faced granite. The windows include segmental-arched four-pane sashes, and all windows have twelve-pane sashes set within moulded stone square-headed architraves, with hoods above the first-floor openings. The single bays feature open pediments over the first-floor windows and round arches above the second-floor windows. The central entrance bay is highlighted by a bowed porch supported by Tuscan columns and has a balustrade on the parapet. A central cupola with open pediments crowns the building.
Inside, where inspected, the hall retains many original features, including an open-well staircase with heavy turned balusters, vaulted ceilings in the corridors, and parquet floors.
Local climate
Old County Hall receives an average of 890 mm of rain a year. This makes it wetter than 66% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.
It experiences an average of 6 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 2 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 — 2 transactions since 2022
- Related listed building consents — 8 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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