Gateway and Curtain Wall to South East of Captain's House is a Grade II* listed building in the Dorset local planning authority area, England. First listed on 17 May 1993. Gateway and curtain wall.
Gateway and Curtain Wall to South East of Captain's House
- WRENN ID
- dusted-mantel-dawn
- Grade
- II*
- Local Planning Authority
- Dorset
- Constituency
- South Dorset MP: Lloyd Hatton (Lab)
- Country
- England
- Date first listed
- 17 May 1993
- Type
- Gateway and curtain wall
- Address
- Gateway and Curtain Wall to South East of Captain's House, Castle Road, Portland
- OS grid reference
- SY 684 743
- Coordinates
- 50.56795, -2.44689
- Source
- Historic England listing
Description
The gateway and curtain wall to the southeast of Captain's House in Portland date from the mid-16th century and were originally part of the main enclosure and access to the Castle. The structure is made of fine squared dressed stone and measures approximately 15 meters in length and 3.5 meters in height. The left end of the wall abuts Captain's House. At the right end, there is a pair of early plank gates set within a four-centred double-chamfered arch, which is flanked by blind cruciform arrow slits. Above the arch, a deep recessed square panel contains the Royal Arms of 1660, made of lead. To the right of the gateway, there is a straight joint in the masonry. The back of the wall is plain, and there is a surviving section of the former curtain wall with a moat.
Local climate
Gateway and Curtain Wall to South East of Captain's House receives an average of 840 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 77% of listed buildings.
It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 5 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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- 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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