Dublin
1990:047
Exchange Street Lower/Parliament Street/Essex Quay, Dublin
Urban medieval
0154342
Archaeological assessment of the site was carried out on the basis of trial borings and two test pits. The site is bounded on its west side by the line of the medieval city wall, running northwards to its north-east corner. The remains of Isolde's Tower are thought to survive beneath a standing building at the bend in Exchange Street Lower.

The borings indicated a build-up of up to lm of organic debris, over organic river silt outside the city wall, in the shallows of the River Poddle at its confluence with the Liffey.

The two test pits proved the presence of the city wall along the Exchange Street Lower frontage. It was levelled to a depth of 3.8m below present ground level to form the foundations of the recently demolished buildings. The remains, surviving over 1m high, indicate that the city wall is probably c. 2m wide.
Margaret Gowen, 5 St Catherine's Road, Glenageary, Co. Dublin.

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