St Johns House is a Grade II listed building in the Hounslow local planning authority area, England. First listed on 21 May 1973. House. 4 related planning applications.
St Johns House
- WRENN ID
- long-rafter-birch
- Grade
- II
- Local Planning Authority
- Hounslow
- Constituency
- Hammersmith and Chiswick MP: Andy Slaughter (Lab)
- Country
- England
- Date first listed
- 21 May 1973
- Type
- House
- Address
- St Johns House, Chiswick Mall W4, W4 2PS
- OS grid reference
- TQ 219 781
- Coordinates
- 51.48878, -0.24525
- Source
- Historic England listing
Description
St John's House is a late 18th or early 19th century stucco building situated on Chiswick Mall. It is three storeys high and features two double-hung sashes within architraves. The ground floor is channelled and finished in ashlar, with a six-panel door framed by an architrave, both adorned with entablatures. The building is topped with a cornice and pediment. A later attic storey has been added. The structure has been strengthened to protect it from flooding. St John’s House, together with Cedar House, Swan House, Island House, and Norfolk House, along with their associated garden wall, railings (to Island House, Norfolk House, and St John’s House), are designated as a group.
Local climate
St Johns House 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 93% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 94% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 51% of listed buildings. Of these, 15 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 2020
- Related listed building consents — 4 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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