Onslow Hall is a Grade II listed building in the Richmond upon Thames local planning authority area, England. First listed on 24 December 1968. Hall. 3 related planning applications.
Onslow Hall
- WRENN ID
- stubborn-span-sienna
- Grade
- II
- Local Planning Authority
- Richmond upon Thames
- Constituency
- Richmond Park MP: Sarah Olney (LD)
- Country
- England
- Date first listed
- 24 December 1968
- Type
- Hall
- Address
- Onslow Hall, Little Green, TW9 1QS
- OS grid reference
- TQ 179 750
- Coordinates
- 51.46193, -0.30406
- Source
- Historic England listing
Description
Onslow Hall is a mid-19th century building designed in the Italianate style. It stands four storeys tall and is five bays wide, constructed from gault brick and stucco. The ground floor is designed as an architectural basement, featuring channeled stucco and round-arched windows, along with a triglyph frieze and cornice. The first and second floors showcase a national giant order, with a plain frieze and modillion cornice. The windows on the first floor have architrave surrounds and segmental pediments, while the second floor windows are connected by a plain stucco cill band. The third floor is treated as an attic storey above the main cornice, featuring brick pilasters, a stucco cornice, and blocking. To the left, there is a single-storey wing with a balustraded parapet that contains the main entrance, and further to the left is a two-storey modern extension.
Local climate
Onslow Hall sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 92% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 90% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 64% of listed buildings. Of these, 13 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2017
- Related listed building consents — 3 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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