Chilworth Gunpowder Mills
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Albury History Society - alburyhistory.org.uk GUILDFORD BOROUGH COUNCIL Chilworth Gunpowder Mills CONSERVATION MANAGMENT PLAN VOLUME 2 NOVEMBER 2011 GUILDFORD BOROUGH COUNCIL Chilworth Gunpowder Mills CONSERVATION MANAGMENT PLAN VOLUME 2 NOVEMBER 2011 Plate 1: Reused millstones to rear of 1860s incorporating mill Plate 2: Expense magazine CONTENTS CONTENTS 1 INTRODUCTION AND BACKGROUND .......................................1 1.1 The site .......................................................................................................1 1.2 Context and purpose ......................................................................................... 2 1.3 Objectives ............................................................................................................ 2 1.4 Basis and structure ............................................................................................ 2 1.5 Methodology ...................................................................................................... 3 1.6 Consultation and acknowledgements ............................................................ 3 2 UNDERSTANDING THE SITE .......................................................... 5 2.1 Introduction ........................................................................................................5 2.2 Designations .......................................................................................................5 2.3 Topography and setting ....................................................................................6 2.4 Historical overview and development phases ..............................................6 2.5 Early development of the Gunpowder Industry in Britain and abroad ..12 2.6 Phase I: 1626 - 1650 ..........................................................................................13 2.7 Phase II (c.1650 - 1698) .................................................................................... 15 2.8 Phase III: 1719 - 1819 ....................................................................................... 17 2.9 Phase IV: 1819 - 1885 ....................................................................................... 20 2.10 Phase V: 1885 - 1920 .........................................................................................20 2.11 Phase VI: 1920 - present day .......................................................................... 23 2.12 Current and historic character of the site .....................................................25 2.13 Natural and ecological heritage of the area .................................................31 3 SIGNIFICANCE OF THE SITE .............................................................. 33 3.1 Basis of the assessment ................................................................................... 33 3.2 Chilworth Gunpowder Mills summary statement of signifi cance ...........34 3.3 Individual assessments of signifi cance ........................................................ 34 4 CONSERVATION ISSUES AND POLICIES ..................................... 43 4.1 Aims and approaches .....................................................................................43 4.2 Existing policy framework .............................................................................44 4.3 Conservation issues and policies .................................................................. 45 4.4 Policy Area A: CONSERVATION ..................................................................46 4.5 Policy Area B: PROTECTION OF SIGNIFICANCE ................................... 48 4.6 Policy Area C: SUSTAINABILITY .................................................................53 4.7 Policy Area D: PUBLIC INTEREST, ENHANCEMENT, LEGIBILITY AND ACCESS ............................................................................................................. 53 4.8 Policy Area E: RESOLUTION OF CONFLICT ............................................ 60 4.9 Policy Area F: UNDERSTANDING, RECORDING AND RESEARCH ...62 APPENDIX 1 BIBLIOGRAPHY AND SOURCES ....................................................... 67 CHILWORTH GUNPOWDER MILLS CONSERVATION MANAGEMENT PLAN • NOVEMBER 2011 PLATES Plate 1 Reused millstones to rear of 1860s Incorporating Mills ............Inside cover Plate 2 Expense magazine ..........................................................................Inside cover Plate 3 Powder Punts (copyright A Hammond, from The Gunpowder Industry by Glenys Crocker, Shire publications) ................................................................7 Plate 4 The earliest illustration of a gun, from De Offi ciis Regum, 1326 (Christ Church, Oxford) ...............................................................................................12 Plate 5: Chilworth Gunpowder Works Women’s Football Team (from Damnable Inventions by Glenys and Alan Crocker) ...................................................... 23 Plate 6: Dragons tooth at site ....................................................................................... 24 Plate 7: 1948 Aerial photograph .................................................................................. 26 Plate 8: Modern Aerial photograph ............................................................................27 Plate 9: Land use in the early 19th century (information taken from Estate Plan of 1813) ................................................................................................................... 27 Plate 10: View of works from St Martha’s Church, 1888 (from Wymans Commercial Encyclopedia) ..................................................................................................... 29 Plate 11: View of Waltham Abbey Mills in 1735 ......................................................... 30 Plate 12: Yew trees planted at Chilworth for blast protection .................................. 30 Plate 13: Date ‘1873’ built into brickwork of expense magazine ..............................36 Plate 14: Second World War pillbox at site .................................................................. 38 Plate 15: Romantic ruins of incorporating mill at site ................................................40 Plate 16: Vegetation causing damage to remains ........................................................50 Plate 17: Vegetation growing on 1880s Incorporating Mill ....................................... 54 Plate 18: New Cut ............................................................................................................ 56 FIGURES Figure 1: Historical growth of complex .....................................................After page 12 Figure 2 : Detail of John Seller’s map of Surrey, c.1679 ............................................... 17 Figure 3: Chilworth Gunpowder Works in 1728 (Plan taken from Dangerous Energy. Redrawn from British Library Althorp Papers). .........................................18 Figure 4: Detail of Estate map, 1813 (© Surrey History Service, taken from Damnable Inventions by Alan and Glenys Crocker) .....................................................19 Figure 5: 1872 Ordnance Survey map laid over modern layout ................................... .........................................................................................................After page 22 Figure 6: 1896 Ordnance Survey map laid over modern layout ................................... .........................................................................................................After page 24 Figure 7: 1916 Ordnance Survey map laid over modern outline .................................. .........................................................................................................After page 24 CHILWORTH GUNPOWDER MILLS CONSERVATION MANAGEMENT PLAN INTRODUCTION AND BACKGROUND CHILWORTH GUNPOWDER MILLS CONSERVATION MANAGEMENT PLAN • NOVEMBER 2011 INRODUCTION AND BACKGROUND 1 INTRODUCTION AND BACKGROUND 1.1 The site 1.1.1 The Gunpowder Mills at Chilworth in Surrey is a Scheduled Monument and a site of national importance in the history of gunpowder manufacture. Its signifi cance lies partly in its longevity, it having been used to produce powder for almost 300 years prior to its closure at the end of the First World War, as well as its size and scale of operations. Unlike the Royal Gunpowder Mills at Waltham Abbey it remained a private works, although there were periods in its early history when it was the sole supplier of gunpowder to the King, and the changes in its ownership closely refl ect developments in the wider gunpowder industry and society generally. It was of considerable importance in the Civil War, when it supplied powder to the Parliamentarians (very shortly after having supplied the King) as well as numerous wars with continental powers in the 17th and 18th century when the site’s fortunes fl uctuated with demand for powder. It is also of interest for its international links, both in its original establishment by the East India Company to supply powder for its overseas operations, and towards the end of its manufacturing history when the site was purchased and greatly expanded by an Anglo-German company. 1.1.2 Each of these elements to its history provide it with a multi-layered interest which can be used to interpret and communicate important elements of British history in the post-medieval period. 1.1.3 Although the large majority of the buildings on the site were demolished in several phases during the 20th century the site retains the substantial