 Dunkley was the only woman hanged at Berrima Gaol.In 1866 the Gaol was renovated to the standards described by the prison reform movement for a "model prison", enlarging the prison such as to provide separate cells for 110 prisoners.However, Berrima Gaol had solitary confinement cells which measured 8 feet by 5 feet, some smaller, where it was intended that all prisoners spent one year.