18, Old Broad Street EC2 is a Grade II listed building in the City of London local planning authority area, England. First listed on 15 August 1997. Office.
18, Old Broad Street EC2
- WRENN ID
- half-shingle-briar
- Grade
- II
- Local Planning Authority
- City of London
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 15 August 1997
- Type
- Office
- Address
- 18, Old Broad Street EC2, City and County of the City of London, EC2N 1DS
- OS grid reference
- TQ 329 812
- Coordinates
- 51.51484, -0.08491
- Source
- Historic England listing
Description
No. 18 Old Broad Street is an office building constructed in 1868, featuring a stone exterior and a parapeted roof. It stands four storeys tall over a half basement known as a 'crypt'. The building is designed in the Italianate style and has a four-window range. The entrance is located under a cornice on the left party wall, with the ground floor designed as a half mezzanine. The wall surfaces exhibit banded rustication, and all windows are segmental arched, complete with architraves and sill bands. The sills are moulded and project to support metal balconettes designed in an authentic style. At the top, there is a boldly scaled cornice featuring two tiers of brackets and a recessed floor behind. The building is positioned unusually in relation to the adjacent facades, jogging forward at a curious angle, which may indicate earlier building lines or the survival of an old structure. It forms an attractive and notable group with nos. 13-17 and the City of London Club on Old Broad Street.
Local climate
18, Old Broad Street EC2 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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