Centuries of Neglect / American War of Independence

It was not as easy to destroy the castle as Cromwell had hoped but his men did considerable damage. The local population did some more as they plundered the castle for its stone.

Pembroke Castle remained an ivy-covered ruin until 1880 when a Mr J R Cobb of Brecon spent three years restoring what he could. Nothing further was done until Major-General Sir Ivor Philipps of Cosheston Hall acquired the ruins in 1928.