Lostwithiel Signal Box is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 30 April 2013. Signal box.
Lostwithiel Signal Box
- WRENN ID
- empty-mortar-moon
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- South East Cornwall MP: Anna Gelderd (Lab)
- Country
- England
- Date first listed
- 30 April 2013
- Type
- Signal box
- Address
- Lostwithiel Signal Box, Lostwithiel Railway Station, Grenville Road
- OS grid reference
- SX 106 597
- Coordinates
- 50.40747, -4.66564
- Source
- Historic England listing
Description
Lostwithiel Signal Box is a two-storey structure built of brick with timber weather-boarding and a slate-clad roof. It follows a standard Type 5 design, featuring a shallow-pitched roof with barge-boards and spear-point finials at the gable ends. The first-floor operating room has continuous glazing on the north-west side, facing the tracks, with uPVC windows that mimic the original paired horizontal sliding sashes. This glazing pattern also extends to the gable ends. The entrance is located at the south-east end, within a projecting timber porch that has a gabled roof, and is accessed by a set of modern wooden steps. The ground-floor locking room is reached through a semi-sunken doorway in the same gable wall. The lower half of the north-west elevation features three original windows with segmental-arched brick heads, while the south-east elevation has three similar ground-floor windows and two additional windows on the first floor.
Inside, the signal box retains a lever frame with 63 levers, installed in 1923, along with block instruments and a modern control panel.
Local climate
Lostwithiel Signal Box sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 10 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 4 follow at least 1 mm of rain in the preceding 48 hours. 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.
- No sale records on file
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- 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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