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image SM (71) 82/3/1

Reference number

SM (71) 82/3/1


Working drawing for the foundations, May 1830


71 Section shewing the level of the low Water Mark of the River Thames / as compared with the Level of the Park at the late Dowager / Lady Suffolks House


bar scale of 1/2 inch to 1 foot


as above, labelled: Low Water Mark, 13'8'', the Level of the Gravel around the site of Lady Suffolks House / St Jamess Park, the Level at the Gate watermans Store, 4'4'', the level at the Corner of Lord Carringtons House 2'11'', the Level from entrance Horse Guards into Park, 2'7'', Level at the Gate entrance into the / Enclosure St Jameses (sic) Park, 1'0'', the Old Brick / Foundation, Water, Oak Plank, Oak Sleepers and dimensions given

Signed and dated

  • May 1830
    May 24th 1830

Medium and dimensions

Pen, blue, yellow and pink washes, pricked for transfer on thin wove paper (318 x 556)


?clerk of works (same hand as drawings 1-5, 9-12 and 47-49)


The foundations were designed by Soane so as to make the new building damp-proof. They consisted of solid materials built on top of a 3 foot-deep bed of broken granite that was layered and grouted.



Digitisation of the Drawings Collection has been made possible through the generosity of the Leon Levy Foundation

If you have any further information about this object, please contact us: drawings@soane.org.uk

Sir John Soane's collection includes some 30,000 architectural, design and topographical drawings which is a very important resource for scholars worldwide. His was the first architect’s collection to attempt to preserve the best in design for the architectural profession in the future, and it did so by assembling as exemplars surviving drawings by great Renaissance masters and by the leading architects in Britain in the 17th and 18th centuries and his near contemporaries such as Sir William Chambers, Robert Adam and George Dance the Younger. These drawings sit side by side with 9,000 drawings in Soane’s own hand or those of the pupils in his office, covering his early work as a student, his time in Italy and the drawings produced in the course of his architectural practice from 1780 until the 1830s.

Browse (via the vertical menu to the left) and search results for Drawings include a mixture of Concise catalogue records – drawn from an outline list of the collection – and fuller records where drawings have been catalogued in more detail (an ongoing process).