Carlton House is a Grade II listed building in the Portsmouth local planning authority area, England. First listed on 30 October 1969. House.
Carlton House
- WRENN ID
- sleeping-tracery-weasel
- Grade
- II
- Local Planning Authority
- Portsmouth
- Constituency
- Portsmouth South MP: Stephen Morgan (Lab)
- Country
- England
- Date first listed
- 30 October 1969
- Type
- House
- Address
- Carlton House, 49, St Thomas'Ss Street, City of Portsmouth
- OS grid reference
- SZ 632 994
- Coordinates
- 50.79098, -1.10359
- Source
- Historic England listing
Description
Carlton House is a house built in the late 18th century, located on St Thomas's Street in Portsmouth. The building is finished in stucco and features a plain tile roof with a rendered stack on the right side. It has two storeys and an attic, with a single bay.
On the left side, there is a door made up of six fielded panels, which is set within a moulded architrave. Above the door, there is a marginal glazed overlight and a flat unmoulded hood supported by shaped brackets. To the right, there is a 30-pane fixed glazed bow window, which has a frieze and a flat roof above it. On the first floor, there is a 12-pane sash window that features a cornice on head-shaped brackets. The building is topped with coped parapets. The interior has not been inspected.
Local climate
Carlton House receives an average of 810 mm of rain a year. This makes it drier than 52% 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 19 freeze-thaw cycles a year, fewer than 79% of listed buildings. Of these, 8 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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