Before 1960 the village was served by Argoed railway station. This was initially a stop on the Sirhowy Tramroad, which opened in 1822. The tramroad was converted to a conventional standard gauge railway in 1865, the Sirhowy Railway. The station closed in 1960 and the railway has been converted into a cycle path.
On 6 November 2014 Cerys Yemm was killed in The Sirhowy Arms Hotel, Argoed, which was providing accommodation to released prisoners as an 'approved premises'. The suspected murderer, Matthew Williams a recently released prisoner, was Tasered at the scene by officers of Gwent Police, and died shortly afterwards. The Independent Police Complaints Commission announced an investigation into the Police's handling of the incident.[2][3]