St Mary's Sunday School is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 19 June 1973. Former school. 2 related planning applications.

St Mary's Sunday School

WRENN ID
low-turret-swift
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
19 June 1973
Type
Former school
Address
St Mary's Sunday School, Old Bridge Street, Truro, TR1 2AQ
OS grid reference
SW 827 449
Coordinates
50.26429, -5.05032
Source
Historic England listing

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

Description

This is a former Sunday school, dated 1836. It is constructed of rubble, with granite dressings, and the street elevation is rendered. The roof is covered with Delabole slate and has coped gable ends. The building has a rectangular plan and is built in the Tudor-Gothic style.

It is two storeys high and has a single-window range to the street front gable end. The ground floor features a plinth and a central doorway with a chamfered, square head and hoodmould, containing a pair of planked doors. Above the doorway is an inscribed panel reading "St Mary's Sunday School A.D. 1836". A string course leads to a chamfered window opening with a hoodmould, containing a wooden cross window. The side walls incorporate window openings with three-light wooden mullioned windows, lacking hoodmoulds. The interior has not been inspected.

Local climate

St Mary's Sunday School 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 — 1 transaction since 2020
  • Related listed building consents — 2 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
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Nearby listed buildings

  1. 1, Old Bridge Street Grade II 12 m
  2. Old Bridge Over River Allen Grade II 14 m
  3. 19, Old Bridge Street Grade II 23 m
  4. 15, St Mary's Street Grade II 49 m
  5. 16, St Mary's Street Grade II 54 m
  6. 19, St Mary's Street Grade II 68 m
  7. Truro Cathedral Grade I 73 m
  8. 7, Cathedral Lane Grade II 74 m
  9. Old Cathedral School Grade II 74 m
  10. 31, Boscawen Street Grade II 84 m