Most of the Moore Street/Moore Lane area was originally a quarry or brickfield, which was later filled in with rubbish during the 18th and 19th Centuries before being built over.
Some 1916 relatives groups and historians have expressed concern about the status of a 'Georgian rubbish dump' known to exist underneath the Moore Street terrace and surrounding area.
Mr Kelly says the site is "sitting on a great wealth of archaeological material" and he is concerned at the lack of public knowledge about it and the failure by government agencies to refer to the material as midden, which would give it protection. Other items found in digs in 2015 and 2016 included bottles, nails, pottery fragments, paper, cardboard, lipsticks, cutlery and sewing paraphernalia