Gate Piers at Entrance to Drive East of Harlyn House is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 20 May 1988. Gate piers.

Gate Piers at Entrance to Drive East of Harlyn House

WRENN ID
silent-mullion-poplar
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
20 May 1988
Type
Gate piers
Address
Gate Piers at Entrance to Drive East of Harlyn House, St. Merryn
OS grid reference
SW 873 751
Coordinates
50.53776, -5.0023
Source
Historic England listing

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

Description

The gate piers at the entrance to the drive east of Harlyn House date from the early 18th century and are a pair of original granite piers. There are also two additional gate piers and gates from the 20th century. The outer gate piers are tall, square in shape, and rusticated, featuring large moulded granite caps topped with ball finials. The inner gate piers, which are from the 20th century, are plain granite monoliths also topped with ball finials, and they are connected to the outer piers by low granite walls. The entrance is completed with 20th-century wrought iron gates.

Local climate

Gate Piers at Entrance to Drive East of Harlyn House sits in a wetter-than-average part of the UK, with an average of 1,000 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% 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.

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