With the move from steam to diesel, the allocation of locomotives at St Blazey was only shunters with no larger locomotives officially shedded there. By the late 1970s there were five Class 08 shunters allocated, and by 1995 this had reduced to three Class 08s, although by now all of these were fitted with air brakes. With the move from sectorisation to privatisation, under EWS there were no locomotives formally shedded at St Blazey as all shunters in the EWS Great Western Lines pool were reported as being allocated to Cardiff Canton depot, although locomotives still used the shed.