Post medieval gun battery.


Although not part of the protected monument, as it lies under the public highway and adjacent properties, the 'new worke' was an integral part of the modernisation of the castle defences undertaken by the 7th Earl of Derby during the Civil War. It provided improved artillery defences overlooking the harbourmouth, whilst simulateously protecting the outer gate of the barbican.


A watching brief conducted in July 2016 whilst groundworks were being undertaken showed that the north wall facing the harbour and the east wall facing the harbourmouth still survived below ground as substantial masonry structures, constructed using large stones and mortared in clay.


The outer face of the north wall had suffered damage as the result of the construction of a series of small store-rooms accessed at a lower level from the adjacent quayside.