19, Mallams is a Grade II listed building in the Dorset local planning authority area, England. First listed on 17 May 1993. A C19 House.
19, Mallams
- WRENN ID
- muffled-granite-gilt
- Grade
- II
- Local Planning Authority
- Dorset
- Constituency
- South Dorset MP: Lloyd Hatton (Lab)
- Country
- England
- Date first listed
- 17 May 1993
- Type
- House
- Address
- 19, Mallams, Portland
- OS grid reference
- SY 685 734
- Coordinates
- 50.5603, -2.44499
- Source
- Historic England listing
Description
No. 19 Mallams is a house in a row built in the early 19th century. It features painted coursed squared blocks and a slate roof. The building has three storeys and a single window. All windows are 16-pane sashes, and to the left, there is a 20th-century door. The right side has a coped verge, and no chimney stack is visible. This property appears to have been constructed at the same time as the adjoining No. 17, but it is stepped down to follow the line of the street. It is one of the few houses on this side of the street that has not been fundamentally altered in the 20th century.
Local climate
19, Mallams 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.
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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