Bellevue House is a National Historic Site designated for its association with Sir John A. MacDonald and its Italianate architecture and picturesque massing. Our scope of work began with a building condition assessment including a 20-year maintenance plan, and was followed by the rehabilitation of the roof, and the re-lamping of fixtures. Consolidating the plaster ceilings, reconfiguring of the electrical room, and rewiring of the light fixtures was added to the scope following the condition assessment. The overall scope supported the conservation of the building by addressing the deteriorations caused by on-going roof leaks, and by developing the 20-year maintenance plan to identify and plan for future work. All the interventions and recommended maintenance scope were based on the Parks Canada Standards and Guidelines for the