Milestone at SW 992512 is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 20 December 1988. Milestone.

Milestone at SW 992512

WRENN ID
dark-chamber-grove
Grade
II
Local Planning Authority
Cornwall
Constituency
St Austell and Newquay MP: Noah Law (Lab)
Country
England
Date first listed
20 December 1988
Type
Milestone
Address
Milestone at SW 992512, St. Mewan
OS grid reference
SW 992 512
Coordinates
50.32672, -4.82155
Source
Historic England listing

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

Description

Milestone located in St Mewan, dating from the late 18th century to early 19th century. This painted granite monolith stands about one metre high and features a rounded head. It has carved and painted lettering in upper case with serifs, displaying the Roman numerals: ST AUSTEL II MILE TRURO XII. Notably, the second stroke in the Roman numerals for St Austell is half length, indicating a distance of 1 1/2 miles.

Local climate

Milestone at SW 992512 receives an average of 960 mm of rain a year. This makes it wetter than 74% 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 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 0.3°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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  • 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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Nearby listed buildings

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  2. Trelowth Methodist Church Grade II 577 m
  3. Trelowth Farmhouse Grade II 740 m
  4. Gateway at the South West Entrance to the Churchyard of St Mewan Grade II 798 m
  5. The Old Rectory Grade II 832 m
  6. Church of St Mewan Grade II* 839 m
  7. St Mewan Sunday School Grade II 869 m
  8. Engine House at Polgooth Mine Grade II 1.2 km
  9. Hembal Manor Grade II 1.3 km
  10. Manor Farmhouse (Marked on Os Map As Bungullow Manor Farmhouse) Grade II 1.3 km