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Latitude: 51.1323 / 51°7'56"N
Longitude: -1.7002 / 1°42'0"W
OS Eastings: 421071
OS Northings: 137050
OS Grid: SU210370
Mapcode National: GBR 50L.WH3
Mapcode Global: VHC31.HS0T
Plus Code: 9C3W47JX+WW
Entry Name: Building 106, Chemical Defence Establishment, Porton Down
Listing Date: 29 May 1987
Grade: II
Source: Historic England
Source ID: 1300376
English Heritage Legacy ID: 319954
ID on this website: 101300376
Location: Wiltshire, SP4
County: Wiltshire
Civil Parish: Idmiston
Traditional County: Wiltshire
Lieutenancy Area (Ceremonial County): Wiltshire
Church of England Parish: Idmiston with Porton Gomeldon St Nicholas
Church of England Diocese: Salisbury
Tagged with: Building
IDMISTON - SU 23 NW 4/95 Building 106, Chemical Defence Establishment, Porton Down II
Headquarters building, 1916 for Royal Engineers Experimental Station (Gas Corps) now administration offices. Rendered brick with asbestos slate roof. Single storey, symmetrical, in Colonial style. Central entrance and circulation with wings ending in cross wings, forming an extended H-plan. Central pair of panelled doors with floating segmental pediment on consoles and 2-bays of timber paned cross windows either side, terminating in line rusticated raised quoins, the whole capped with elegant simple triangular pediment. Wings of 9 bays, each again symmetrical, the central bay set forward with slight pediment and window within wide architrave and apron. Wings at ends 5 x 3 bays with rusticated quoins to corners and central bay on each face also set forward and pedimented. Various later extensions at rear. Roofs hipped. Central timber clocktower with clock and windvane. Interior: lobby from entrance leads to octagonal domed circulation area with doors to cardinal faces and blind doors on angles, all with architraves. Central corridor to offices in wings, some with 8-panelled doors. North-west wing contains conference room. Important as the first building erected in Britain for the development of chemical warfare, under the command of Lt. Co. A.W. Crossley CMG, CBE, LLD, FRS, RE. The Old Chemistry Building, 1922, and the Old Physics Building, the first laboratories survive as stores, but are utilitarian and not of special interest.
Listing NGR: SU2107137050
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