43, GREAT PORTLAND STREET W1 (See details for further address information) is a Grade II listed building in the Westminster local planning authority area, England. First listed on 14 October 1985. Office block. 12 related planning applications.
43, GREAT PORTLAND STREET W1 (See details for further address information)
- WRENN ID
- outer-solder-bone
- Grade
- II
- Local Planning Authority
- Westminster
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 14 October 1985
- Type
- Office block
- Address
- 43, GREAT PORTLAND STREET W1 (See details for further address information), 93, Mortimer Street, City of Westminster, W1W 7SS
- OS grid reference
- TQ 290 814
- Coordinates
- 51.5174, -0.14194
- Source
- Historic England listing
Description
This building, located at 43 Great Portland Street, is an office block constructed between 1906 and 1910 by architects W. and E. Hunt. It features a Portland stone facade and a slate roof, showcasing a bold neo-Grec design that is early for this architectural style. The structure has four storeys, with the ground floor and first floor combined as a podium, and includes a basement.
The building is five bays wide, with an arcaded rusticated podium. The entrance is situated in the central bay, designed as an Ionic columned aedicule porch with a pediment that rises in front of the mezzanine window within the tympanum of the arch. Flanking the entrance are shop windows, with a fret-ornamented band at the impost level and scrolls adorning the key blocks of the arcade.
The upper floors feature architraved metal casements framed by a giant Ionic order that extends from the podium to a heavy dentilled entablature, which is decorated with wreaths over the columns and antae, along with acroteria faced stops above. There is a moulded bandcourse at the second floor and enriched cornices above the second-floor windows, which include an open cartouche pediment over the central window. The section of the building at 43 Great Portland Street has a stone facade of similar character but is plainer in design.
Local climate
43, GREAT PORTLAND STREET W1 (See details for further address information) 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
- Related listed building consents — 12 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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