Boston Lodge is a repair and maintenance works, still in use, built for the Ffestiniog Railway (nprn 34660). It is set at the east end of the Cob (nprn 34165) and covers an area about 200m north-south by 100m. The complex comprises many buildings, including an erecting shop (nprn 34921) and crane (nprn 34930), machine shop (nprn 34924), foundry (nprn 407752), smithy (nprn 34922), brass foundry (nprn 34927), general store (nprn 34928), oil store (nprn 34926) and manager's office (nprn 34925).
B.A.Malaws, RCAHMW, 26 September 1997.