1, Old Broad Street EC2 is a Grade II listed building in the City of London local planning authority area, England. First listed on 10 November 1977. Commercial building. 3 related planning applications.
1, Old Broad Street EC2
- WRENN ID
- carved-merlon-thistle
- Grade
- II
- Local Planning Authority
- City of London
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 10 November 1977
- Type
- Commercial building
- Address
- 1, Old Broad Street EC2, City and County of the City of London, EC2N 1DW
- OS grid reference
- TQ 329 812
- Coordinates
- 51.51427, -0.08592
- Source
- Historic England listing
Description
No 1 Old Broad Street is a building from 1903, designed by Chatfield Clarke. It features a stone-faced exterior with three main storeys and two attic storeys, the upper one being recessed. The building has a triangular shape with a rounded corner bay. There are four bays facing Threadneedle Street and seven bays on Old Broad Street, with the central three bays slightly recessed. The ground floor has semi-circular window arches with hollow splayed reveals. The first-floor windows have blocked surrounds, large keystones, and cornices. The second-floor windows are architraved and flanked by Ionic half pilasters. The lower attic storey, above a modillion cornice, has architraved windows with ears and a balustrade on top. The original steep roof storey has been replaced with a plain recessed upper attic.
Local climate
1, 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- No sale records on file
- 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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