Conduit House is a Grade II listed building in the South Hams local planning authority area, England. First listed on 26 January 1967. A C18 Water conduit.

Conduit House

WRENN ID
gilded-portal-indigo
Grade
II
Local Planning Authority
South Hams
Constituency
South Devon MP: Caroline Voaden (LD)
Country
England
Date first listed
26 January 1967
Type
Water conduit
Address
Conduit House, Galpin Street, Modbury
OS grid reference
SX 659 515
Coordinates
50.3487, -3.88542
Source
Historic England listing

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

Description

Conduit House is a structure built in 1708, made of granite. It has a square shape and is set on an offset plinth, topped with a pyramidal granite roof that features a continuous moulded eaves course and a ball finial. The west side of the building has a blocked square opening with a worn panel or lintel that bears an illegible inscription. The main structure is constructed from squared granite blocks, while the back is made of rubble. This conduit is one of three that were part of the water supply system provided to the town by Nicholas Trist, the lord of the manor, in 1708, and it remained in use until the 1950s.

Local climate

Conduit House receives an average of 910 mm of rain a year. This makes it wetter than 69% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 88% 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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