Watermens Hall is a Grade II* listed building in the City of London local planning authority area, England. First listed on 4 January 1950. A Georgian Hall. 2 related planning applications.
Watermens Hall
- WRENN ID
- odd-sandstone-wagtail
- Grade
- II*
- Local Planning Authority
- City of London
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 4 January 1950
- Type
- Hall
- Period
- Georgian
- Address
- Watermens Hall, 17 and 18, St Mary at Hill Ec3, City and County of the City of London, EC4N 8AD
- OS grid reference
- TQ 330 806
- Coordinates
- 51.50949, -0.0839
- Source
- Historic England listing
Description
Watermen's Hall, located at Nos 17 and 18 St Mary at Hill, was built between 1778 and 1780, possibly by William Blackburn, with an extension added to the north in 1786. This small building features a distinguished front made of Portland stone and consists of two main storeys. The ground floor is rusticated and includes a round-arched window, flanked by square-headed doorways and carved panels above. The upper part is adorned with pairs of Ionic pilasters that support an entablature with an enriched frieze and a pediment that rises through the parapet.
A large Venetian window with a fanlight in the lunette and carved arms on the apron enhances the façade. The building has a modern mansard roof covered in copper. Inside, there is a vaulted entrance passage and a simple curved stone stair with an enriched upper section and a lantern. The first-floor courtroom is notable for its pilasters and pendentives supporting an enriched circular ceiling. A carved marble chimney-piece with arms above is made of wood or plaster. The north extension is constructed of yellow brick with painted dressings. The ground floor includes a shop, while the first floor features a three-light window with a semi-elliptical arch, decorated mullions, and a fanlight, topped by a lunette. A small cornice and rendered parapet complete the building's design.
Local climate
Watermens Hall 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- No sale records on file
- 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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