An additional year's funding was made available to give time to examine alternative operating models, and in 2011 the museum was reopened by Charles Lambie, the chairman of the trustees of Canterbury Archaeological Trust, who intended to build an extension to the building focusing on the penal history of Westgate.
The museum received additional funding in 2011 to explore different operational models before reopening under the direction of Charles Lambie, chairman of the Canterbury Archaeological Trust, who planned to construct an extension focusing on Westgate's history of punishment.