Monument to Christopher Cass the Elder on East Side of St John's Gardens is a Grade II listed building in the Westminster local planning authority area, England. First listed on 5 October 1993. Monument.
Monument to Christopher Cass the Elder on East Side of St John's Gardens
- WRENN ID
- hidden-solder-gilt
- Grade
- II
- Local Planning Authority
- Westminster
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 5 October 1993
- Type
- Monument
- Address
- Monument to Christopher Cass the Elder on East Side of St John's Gardens, Horseferry Road, City of Westminster
- OS grid reference
- TQ 300 789
- Coordinates
- 51.49441, -0.1276
- Source
- Historic England listing
Description
The monument to Christopher Cass the Elder is located on the east side of St John's Gardens, off Horseferry Road. This Grade II listed structure was erected in memory of Christopher Cass, a prominent mason who lived from 1678 to 1734. The monument is made of granite and takes the form of a massive sarcophagus with a segmental lid, featuring an entablature and niches on its sides. It is believed to have been designed by Cass himself. The inscription reads: "CHRR CASS/ MASTER MASON/ TO HIS/ MAJ ORDNANCE/ DY'D APR. 21 1734". Cass was known for his work on significant buildings such as St John's Smith Square and Blenheim Palace. This monument is noted as the earliest granite monument in England.
Local climate
Monument to Christopher Cass the Elder on East Side of St John's Gardens sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 57% of listed buildings. Of these, 16 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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Similar buildings
The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.
- 1 Three Monuments in Churchyard South of Chancel of Church of All Saints
- 2 Monument to Sir Ernest Joseph Cassel, Kensal Green Cemetery
- 3 Caslon Tomb in St Luke's Churchyard
- 4 Monument to John Crosier, About Ten Yards North West of Chancel of St Giles' Church
- 5 Group of Five Monuments West and South West of Porch of Church of St Peter
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