New Tredegar Workmen's Hall & Institute originally opened as a workmen's institute in 1878 at a cost of £1,500. Enlarged in 1910 at a cost of £500. The workmen's hall was constructed in 1906 at a cost of £3000. Now demolished, the site exists as waste ground.

Daryl Leeworthy, RCAHMW, 12 September 2011.