14 and 16, St Thomas Street is a Grade II listed building in the Cornwall local planning authority area, England. Town house.

14 and 16, St Thomas Street

WRENN ID
salt-moat-candle
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Type
Town house
Address
14 and 16, St Thomas Street, Launceston
OS grid reference
SX 329 848
Coordinates
50.63908, -4.36393
Source
Historic England listing

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

Description

14 and 16 St Thomas Street are two small town houses built in the early to mid-19th century. The front features incised stucco, while the left-hand end has slate hanging. No. 16 has a rag slate roof, and No. 14 has an asbestos slate roof. There is a rendered lateral stack at the rear of No. 16 and an end stack on the right. The houses have a double-depth plan under two parallel roofs, with a small lean-to at the rear left. They are two storeys tall and have a total of five windows across the front. No. 16 has a symmetrical three-window front with original 12-pane hornless sash windows, a pair of two-panel doors, and a fretted wooden porch featuring a four-centred arched doorway. No. 14 has late 19th-century four-pane horned sash windows and a 20th-century panelled door. There are blind windows above the doorways. The interior has not been inspected.

Local climate

14 and 16, St Thomas Street sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 83% 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 18 freeze-thaw cycles a year, fewer than 82% of listed buildings. Of these, 8 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 — 5 transactions since 1997
  • No related consent applications matched
  • 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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