30 St John's Terrace and garden wall to south is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 12 March 1986. House.

30 St John's Terrace and garden wall to south

WRENN ID
first-gable-hawthorn
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
12 March 1986
Type
House
Address
30 St John's Terrace and garden wall to south, Feock
OS grid reference
SW 796 390
Coordinates
50.21037, -5.08961
Source
Historic England listing

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

Description

30 St John's Terrace is a house built around the 1840s, located in Devoran. The structure is made of Killas rubble with granite quoins, jambstones, and lintels, topped with a hipped asbestos slate roof and brick chimneys on the side walls.

The house features a double depth plan with a central entrance hall that leads to a staircase, flanked by principal front rooms. It is two storeys high with a symmetrical three-window south front and a small single-storey extension to the left. The central doorway has a six-panel door and an intricately designed wooden porch with lattice work. The windows are two-paned horned sashes with thick slate sills and lead flashings.

The front is bordered by a low coped granite rubble wall. This house is part of a row of similar contemporary houses in St John's Terrace, which together create an impressive group despite some later alterations to individual houses. The interior has not been inspected.

Local climate

30 St John's Terrace and garden wall to south 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.

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Nearby listed buildings

  1. 31 St John's Terrace and garden walls to south Grade II 14 m
  2. 28 and 29 St John's Terrace and garden walls and railings to south Grade II 19 m
  3. 25, 26 and 27 St John's Terrace and garden walls to south Grade II 41 m
  4. Nos 23 and 24 and Garden Wall and Fence to South Grade II 59 m
  5. 22 St John's Terrace and garden wall to south Grade II 72 m
  6. 20 and 21 St John's Terrace and garden wall to south Grade II 90 m
  7. 18 (Waterside) and 19 St John's Terrace and garden wall to south Grade II 110 m
  8. 16 and 17 St John's Terrace and garden wall to south and west Grade II 131 m
  9. Old Quay House, Including Garden Wall to South and West Grade II 147 m
  10. 11, 12 (Tideways) 13 and 14 St John's Terrace and garden wall and railings to south Grade II 176 m