Rear Premises of the Adelphi Theatre is a Grade II listed building in the Westminster local planning authority area, England. First listed on 15 January 1973. Former terrace houses. 4 related planning applications.
Rear Premises of the Adelphi Theatre
- WRENN ID
- pale-lancet-gilt
- Grade
- II
- Local Planning Authority
- Westminster
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 15 January 1973
- Type
- Former terrace houses
- Address
- Rear Premises of the Adelphi Theatre, 18-20, Maiden Lane Wc2, City of Westminster, WC2E 7NN
- OS grid reference
- TQ 303 807
- Coordinates
- 51.51042, -0.12332
- Source
- Historic England listing
Description
The rear premises of the Adelphi Theatre, located on Maiden Lane in Westminster, were originally built around 1635 as terrace houses. They were converted into offices, dressing rooms, and a stage door for the theatre. Nos. 18 and 19 were acquired by the theatre in 1834, and No. 20 was added in 1867. Between 1868 and 1869, all three buildings were refaced by Joseph Lavender as part of the theatre's renovations.
The buildings are faced with stucco and have a slate roof, standing four storeys tall. No. 18 features four windows, while Nos. 19 and 20 each have three windows. The channelled ground floor includes doorways, with two on the right side and one on the left. The furthest right doorway was the former Royal Entrance to the theatre, featuring a door with a semicircular fanlight set in an egg and dart enriched surround, adorned with a female head key, rosettes, and rinceaux ornamentation in the spandrels, along with the Royal Arms in a panel above. The other doors are square-headed, with panels above them flanked by consoles.
The upper floors have sash windows with architraves, featuring console bracketed pediments on the first floor and cornices on the second floor. The third floor has segmental-headed half dormers. Additional architectural details include a moulded cornice over the ground floor, sill bands, string courses, and a dentil cornice over the second floor.
Local climate
Rear Premises of the Adelphi Theatre 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 — 4 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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