Latitude: 51.5064 / 51°30'23"N
Longitude: -0.1359 / 0°8'9"W
OS Eastings: 529467
OS Northings: 180256
OS Grid: TQ294802
Mapcode National: GBR FG.N5
Mapcode Global: VHGQZ.LDHJ
Plus Code: 9C3XGV47+HJ
Entry Name: 20 and 21, St James's Square SW1
Listing Date: 24 February 1958
Grade: I
Source: Historic England
Source ID: 1264890
English Heritage Legacy ID: 426688
ID on this website: 101264890
Location: St James's, Westminster, London, SW1Y
County: London
District: City of Westminster
Electoral Ward/Division: St James's
Parish: Non Civil Parish
Built-Up Area: City of Westminster
Traditional County: Middlesex
Lieutenancy Area (Ceremonial County): Greater London
Church of England Parish: St James Piccadilly
Church of England Diocese: London
Tagged with: Building
TQ 2980 SW CITY OF WESTMINSTER ST. JAMES'S SQUARE SW1 81/103 Nos 20 and 21 24.2.58 GV I Terraced town houses. No 20 (comprising 3 northernmost bays) of 1771-75 by Robert Adam for Sir Watkin Williams Wynn, No 21 rebuilt very tactfully in 1936 by Mewls and Davis so as to duplicate the facade of No 20 and form one composition. Portland stone, slate roof. 4 storeys, basement and stone dormers in mansard of 1936. 7 windows wide. Rusticated ground floor with windows and doors each end in semicircular arched openings, doors with side lights and delicately patterned fanlights; glazing bar sashes. The square headed glazing bar sashes of 1st and 2nd floors, those on piano nobile in semicircular arched panels with consoled pediments, are articulated by a giant order of fluted Corinthian pilasters carrying main entablature with Paterae frieze. 1936 attic storey with dentil cornice and balustraded parapet. Enriched plat band to 2nd floor between giant pilasters. Cast iron area railings. Rear elevation has a bow and a wing on north side of courtyard. Very fine Adam interior of No 20 virtually intact; grand staircase with copper balustrade of openwork balusters, top lit in oblong well, former Eating Room and Music Room on ground floor, 1st floor drawing rooms, all retaining original plasterwork, paintings by Zucchi, mahogany doors and door furniture etc Survey of London; vol XXIX .
Listing NGR: TQ2965580489
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