Broch Of Culswick

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Site Type BROCH
Canmore ID 337
Site Number HU24SE 4
NGR HU 25397 44801
Council SHETLAND ISLANDS
Parish SANDSTING
Former Region SHETLAND ISLANDS AREA
Former District SHETLAND
Former County SHETLAND
Datum OSGB36 - NGR

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Archaeological Notes

HU24SE 4 25397 44801

(HU 2538 4481) Brough of Culswick (NR)
OS 6" map, Shetland, 2nd ed., (1903).

One of the best preserved brochs in Shetland, still standing to a maximum height of 15'. Although the main structure is encumbered by fallen masonry, its general outline can be clearly followed, the overall diameter being 53' and the average wall thickness 14'.
Outside, at a distance varying from 11' to 25', there has been a wall or stone revetted rampart, 13' 6" thick. Only the remains of its inner and outer faces are visible, rising to a height of 6' 6". The area between the broch and the outer defence is covered with fallen stones, some of which at least appear to be from out-buildings.
RCAHMS 1946, visited 1931.

Broch of Culswick is as described by RCAHMS.
Visited by OS (RL) 11 June 1968.

2002
 PUBLICATION ACCOUNT

Project Euan W Mackie Broch Corpus 1

Notes
HU24 3 CULSWICK ('Cullswick') HU/254448 (visited 4/6/63 and 1/7/87)
Unexcavated broch in Sandsting, with a massive and close-fitting outer wall on top of a steep, smooth knoll near cliffs and the sea (Ills. 4.6 - 4.14). This is one of the best preserved brochs in Shetland and stands on raised ground near cliffs on the south side of Gruting Voe and in the midst of rolling cultivable land; there are two freshwater lochs nearby; it has a good view out to sea (Ills. 4.6-14). Culswick was even better preserved in 1774 [3, 89]; Low's drawing (Ill. 4.143) shows three complete intra-mural galleries preserved on top of the buried basal storey as well as the scarcement ledge on the inside face. The latter is referred to as "a sort of scarcement, as if designed for flooring".
Allowing for at least 4 ft. of wall being buried at the entrance (Ills. 4.13 and 4.14) the wall seems to be preserved to a height of up to 12 ft. (Ill. 4.8) and evidently reached about 23 ft. in the 18th century [3]; it has a clear batter on the outer face (Ill. 4.8). The broch is interesting in that it is a rare example of skilful building with unsuitable stone [4]. Some vandalism had occurred to the east side in 1987.
Structural analysis: The wall stands to the height of its first floor gallery; the inside face of an upper gallery can be seen above the entrance. An upper mural gallery is also visible on the wallhead at about 3 o'clock, which may have been lintelled over in 1774 [3]. There is also a void or doorway in the inner wall face at about 10 o'clock. There are no signs now of the second tier. The structure is full of debris with no sign of a scarcement ledge but a lintelled chamber is apparent over the inner end of the main entrance (Ills. 4.10 and 4.11); the lintels of the passage are not exposed here (Ill. 4.10), so if the scarcement ledge is at the level of its floor this must be concealed under debris. Four corbel stones were also noted projecting from the inner wall face [2].
The outer end of the main entrance is clear (Ill. 4.8) but debris in the passage rises to within 2 ft. of the covering lintels (Ill. 4.9). There are door-checks about 7 ft. from the exterior (they can be seen from the front in Ill. 4.9) and the outer lintel is a massive triangular stone (Ill. 4.8). A round mural cell (Ill. 4.12) is visible to the right of the main entrance, which is 14 ft. 6 ins. long [2], and is probably a tall guard cell. It is said that it "was originally entered from the courtyard" [2] but no reasons are given for this conclusion; perhaps the top of the doorway to the cell was visible in 193?.
The outer wall completely surrounds the broch though it has largely disappeared on the north side; its thickness is 13 ft. 6 ins. and the distance from the broch varies from 11-25 ft. (Ill. 4.14).
Dimensions. External diameter c. 53 ft., wall thickness averages 14 ft., walls proportion is therefore about 53%.
Sources: 1. OS card HU24SE 4: 2. RCAHMS 1946 vol. 3, no. 1397, 101-2 and figs. 589, 590 and 619: 3. Low 1774, 88: 4. Fojut 1982a; 5. Hibbert 1822, 453.

E W MacKie 2002

Further details

 
Books and References

Armit, I (2003) Towers in the North: the Brochs of Scotland, London
Page(s): 67 Held at RCAHMS E.9.1.ARM

Lamb, R G (1980a) Iron Age promontory forts in the Northern Isles, Brit Archaeol Rep, BAR British, vol.79 Oxford
Held at RCAHMS P.81

MacKie, E W (1975a) Scotland: an archaeological guide: from the earliest times to the twelfth century, London
Page(s): 282 Held at RCAHMS E.2.MAC

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