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Description: Former Mast House and Mould Loft
Date Listed: 13 August 1999
English Heritage Building ID: 476543
OS Grid Reference: TQ7602569434
OS Grid Coordinates: 576025, 169434
Latitude/Longitude: 51.3966, 0.5289
There is also a scheduled monument, Chatham Dockyard, former working Mast House and Mould Loft, at the same location as this building or very close to it. This may be related in some way or possibly a different name for the same structure.
TQ 76 NE CHATHAM MAIN ROAD
(East side) Chatham Dockyard
Former Mast House and Mould Loft
Mast house and mould loft, now museum. 1753-55, altered 1833. Weather-boarded timber frame and slate roof. PLAN: rectangular open plan with mould loft to 3 middle bays. EXTERIOR: single storey with second storey to middle 3 ranges, and attic to middle. Near-symmetrical range of 5 gables with a further W range, the middle one taller, with raking
.roof across to flanking bay above the mould loft. Ground-floor of continuos garage doors, and wide windows above with glazing bars. Middle range has 7 first-floor 6/9-pane sashes, and 5 attic 9-pane windows, flanking ranges have 2 first-floor 6/6-pane sashes. Middle range has large flat-headed dormers and 3 small ridge louvres, flat roof lights to other ranges, the end ones with 4 dormers.
INTERIOR: an extensive open internal space, the mould loft supported by large posts with diagonal and ships' knee braces, a king post roof to outer sections, and central mould loft floor with a 13-bay collared queen post roof.
HISTORY: used for shaping and storing masts on the ground floor, and for drawing out plans in the wide space of the first-floor loft. The mould loft was extended 1833 to include part of the flanking bays, and was used to layout HMS Victory in 1759, and HMS Achilles in 1860, the first all metal warship in the world. From 1855 it was used as a store.
The last surviving timber mast house in a naval yard, providing evidence in the joints and members of ship-builders' techniques applied to building construction, and part of a fine group of naval buildings within a complete Georgian dockyard.
(Sources: Coad J: Historic Architecture of Chatham Dockyard 1700-1850: London: 1982: 153 ; Coad J: The Royal Dockyards 1690-1850: Aldershot: 1989: 159-161 ; MacDougall P: The Chatham Dockyard Story: Rainham: 1987: 61).
Listing NGR: TQ7602569431
This text is a legacy record and has not been updated since the building was originally listed. Details of the building may have changed in the intervening time. You should not rely on this listing as an accurate description of the building.
Source: English Heritage
Listed building text is © Crown Copyright. Reproduced under licence.