Chain Back with conduit and milestone is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 14 July 1981. Retaining wall.
Chain Back with conduit and milestone
- WRENN ID
- brooding-bailey-frost
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
- Country
- Wales
- Date first listed
- 14 July 1981
- Type
- Retaining wall
- Address
- Chain Back with conduit and milestone, Pembroke
- OS grid reference
- SM 985 014
- Coordinates
- 51.6753, -4.91451
- Source
- Cadw listing
Description
The Chain Back is a Grade II listed retaining wall, approximately 75 meters long, made of stone rubble, which supports a raised roadway in front of several houses and is ramped at both ends. There is a flight of steps leading up to house number 70. The wall is topped with grey limestone coping beneath a 20th-century cemented kerb surface, which features embedded cast-iron bollards connected by iron chain railings from the middle bosses, an iron tubular rail from the top bosses, and ball finials. Embedded within the wall, below house number 74, is a conduit and milestone. This consists of a rectangular structure made of dressed grey limestone, featuring a semi-circular niche, a cornice, and a crowning semi-circular stone. A square cast-iron plate inscribed with 'Tenby/ 10/ miles' is attached to the structure, and there is a tap in the niche that is fixed to an iron plate marked 'J. Stone & Co Deptford'.
Local climate
Chain Back with conduit and milestone sits in a wetter-than-average part of the UK, with an average of 1,160 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 3 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 0.3°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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- No EPC on record for this property
- No sale records on file
- 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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