14, 16 and 18, St Thomas Street is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 21 October 1977. A C18 Town house. 1 related planning application.

14, 16 and 18, St Thomas Street

WRENN ID
seventh-garret-raven
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
21 October 1977
Type
Town house
Address
14, 16 and 18, St Thomas Street, Penryn, TR10 8JN
OS grid reference
SW 785 343
Coordinates
50.16751, -5.10191
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 group of three town houses, originally built in the 18th century on a site with earlier foundations. The walls are of rubble construction with timber lintels, and the roof is covered in slate with a cast-iron ogee gutter. The building has a double-depth plan, featuring rear extensions. Originally a wider front was remodelled in the early to mid-19th century to create a four-window facade. The windows are hornless sash windows with glazing bars. Early to mid-19th century alterations reduced the width of the window openings, except for a blocked window on the first floor, third from the left. Number 18 on the left has a pair of doors between two windows, while numbers 16 and 18 have a similar arrangement of doors and windows to their left and right respectively. The doors are panelled, with the upper panels glazed, except for the right-hand door of number 18. The interior was not inspected, but when surveyed in 1980, it contained several original 18th century features, including two-panel doors.

Local climate

14, 16 and 18, St Thomas Street 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.

More on this building

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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 7 transactions since 1999
  • Related listed building consents — 1 application
  • 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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