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Summary

A redan of triangular plan, consisting of a platform with stone faces angled south east and south west, projects from the mid-C18 curtain wall.

Protected Status

• Listed Building (I) 62521: OUTER WALLS AND GATEWAY
• Scheduled Monument 15434: POST-MEDIEVAL BREASTWORK, CURTAIN WALL AND ASSOCIATED DEFENSIVE STRUCTURES ON THE PERIPHERY OF THE GARRISON, ST MARY'S

Other References/Statuses

• National Monuments Record: SV 80 NE 121
• National Record of the Historic Environment to Historic Environment Records data transfer
• National Record of the Historic Environment: 1445627
• Primary Record No. (1985-2009): 7906.21
• SMR No. (OS Quarter-sheet and SMR No.): SV80NE 31

Monument Type(s):

• BASTION OUTWORK (18th Century - 1701 AD to 1800 AD)

Full description

A redan of triangular plan, consisting of a platform with stone faces angled south east and south west, projects from the mid-C18 curtain wall (7906) at this location. The site is a Listed Building, Grade I and is Scheduled (h1). This section of the Garrison walls does not apppear on the 1741 map (b1). A 1742 plan indicates a proposed line and redans differing from those built (b2). The section of wall with redans as built is shown in 1746, but may not have been completed then - the source refers to the line proposed (b3). The redan is marked on Tovey's 1750 map as a salient angle (b4). On a visit in 1990, a central embrasure in each face - one with evidence of metal fixings - was noted (h2). The site is 'Redan E' on the 1991 survey (h3). The monument is included in the Schedule.

Described in 1995 (8): The walls are generally 1.35m thick, 1.3m high internally and 2m high externally. The steeply battered wall is faced with fairly regular ashlar blocks in courses 0.2m to 0.3m high, with larger blocks along the top and an outward chamfer created by a raised inner coping.

Described in 2005 (9): A well preserved redan with internal and external wall faces of coursed and semi-coursed roughly-dressed blocks of various sizes with, internally a fine top course of squared blocks. There is no pointing or through-wall drains. One of the two embrasures points out to sea; the second flanks redan `b'. The sloping wall top is covered by close-cut grass. A corrugated iron shed visible in 1972 against the external wall has been removed

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Site history:
1: 1978. NJA/OS
2: 1990. JOHNSON, N/CAU
3: 1991. UNKNOWN/EH
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National Monument Record, The Garrison Survey, St. Mary's, Isle of Scilly (Survey). SCO29940.

<1> UNKNOWN, 1741, A PLAN OF HUGH GARRISON IN ST MARY'S ISLAND AT SCILLY (Unedited Source). SCO5540.

<2> UNKNOWN, 1742, A PLAN OF HUGH FORT ALIAS THE STAR CASTLE (Unedited Source). SCO5544.

<3> UNKNOWN, 1746, A PLAN OF THE HUGH FORT (Unedited Source). SCO5552.

<4> Tovey, A, 1750, A Plan of the Peninsula and Fortifications on St Mary's (Bibliographic reference). SCO4950.

<5> Birch, JF, 1974, Plan of the Garrison on the Island of Saint Mary, Scilly (Bibliographic reference). SCO2851.

<6> Ordnance Survey, 1880s, 1st Edition 1:2500 Map (Cartographic materials). SCO4048.

<7> Ordnance Survey, 1900s, 2nd Edition 1:2500 Map (Cartographic materials). SCO4050.

<8> Field Investigator's Comments, MPPA/Hooley, D. 1995. (Survey). SCO29739.

<9> Field Investigator's Comments, EH/Fletcher, M. 2005. (Survey). SCO29739.

Sources / Further Reading

Associated Finds: none recorded

Associated Events

• ECO3128 - Garrison Walls, Isles of Scilly, conservation plan
• ECO6309 - The Garrison, St. Mary's: Survey

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