Walls of the Ruined Fortalice is a Grade I listed building in the South Hams local planning authority area, England. First listed on 11 December 1969. A Medieval Fortification.

Walls of the Ruined Fortalice

WRENN ID
nether-remnant-violet
Grade
I
Local Planning Authority
South Hams
Constituency
South Devon MP: Caroline Voaden (LD)
Country
England
Date first listed
11 December 1969
Type
Fortification
Period
Medieval
Address
Walls of the Ruined Fortalice, Dartmouth
OS grid reference
SX 886 502
Coordinates
50.34184, -3.56648
Source
Historic England listing

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

Description

The walls of the ruined fortalice are part of the curtain wall from the original fortification at Dartmouth Castle. Dating from the late 14th century, with some alterations from the 18th century, the structure is built from local stone rubble. A section of the ruined wall is located to the south-west of the main castle complex and includes the remains of a circular mural tower. The masonry features a regular series of putlog holes. The stone steps within the tower are believed to have been added in the 18th century when the tower was adapted as a garden feature. This site is also designated as a Scheduled Ancient Monument.

Local climate

Walls of the Ruined Fortalice receives an average of 940 mm of rain a year. This makes it wetter than 71% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 2 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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