Sion House is a Grade II listed building in the Tunbridge Wells local planning authority area, England. First listed on 24 November 1966. House. 2 related planning applications.
Sion House
- WRENN ID
- broken-brass-finch
- Grade
- II
- Local Planning Authority
- Tunbridge Wells
- Constituency
- Tunbridge Wells MP: Mike Martin (LD)
- Country
- England
- Date first listed
- 24 November 1966
- Type
- House
- Address
- Sion House, 15, Mount Sion, TN1 1UD
- OS grid reference
- TQ 583 388
- Coordinates
- 51.127, 0.26123
- Source
- Historic England listing
Description
Sion House, located at No 15 Mount Sion, is a mid-19th century building featuring two parallel ranges that rise three storeys and include a basement. The exterior is stuccoed, with the front range topped by a slate roof and the rear range by a tiled roof. The front facade is flanked by four plain pilasters and contains four sash windows that retain their glazing bars. There is a porch supported by square columns, and the property is enclosed by cast iron spear railings. The side elevation is finished with tile hanging. Sion House is part of a group with Nos 9 to 29 (odd).
Local climate
Sion House receives an average of 750 mm of rain a year. This makes it drier than 69% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 56% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 65% of listed buildings. Of these, 14 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
- Sale history — 1 transaction since 2007
- Related listed building consents — 2 applications
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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