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1 and 3, Riding House Street W1

A Grade II Listed Building in City of Westminster, Westminster

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Latitude: 51.5183 / 51°31'5"N

Longitude: -0.1426 / 0°8'33"W

OS Eastings: 528971

OS Northings: 181563

OS Grid: TQ289815

Mapcode National: GBR D9.4X

Mapcode Global: VHGQZ.G3ZF

Plus Code: 9C3XGV94+8X

Entry Name: 1 and 3, Riding House Street W1

Listing Date: 12 April 1983

Grade: II

Source: Historic England

Source ID: 1265183

English Heritage Legacy ID: 425757

Location: West End, Westminster, London, W1W

County: Westminster

Electoral Ward/Division: West End

Built-Up Area: City of Westminster

Traditional County: Middlesex

Lieutenancy Area (Ceremonial County): Greater London

Church of England Parish: All Souls Langham Place

Church of England Diocese: London

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TQ 2881 NE

Nos 1 and 3



Office block. Designed as the Radium Institute and described as the first
institution of its kind in England. 1911. Architect Thomas Phillips Figgis. The
original western pavilion was extended in 1931 by a linking range to an identical
eastern pavilion. Stone-faced vigorously detailed Baroque building with green
Westmorland slate pyramidal roofs. Twin 3 window-wide pavilions linked by
simpler recessed 3-window range. Basement, 4 main storeys, attic and dormered
roof to each pavilion. Basement and ground floor of boldly channelled
rustication support channelled quoins hung with cartouches. Swagged frieze and
deep modillion cornice. Good mosaic wall tiling in corridors. Listed for both
its historic and architectural importance.

Listing NGR: TQ2897481563

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