By at least this date Redford was ordering changes to the 11th floor of the Federal Building to create a penthouse with lavish drapery, marble tiling, and more.
While contemporary reporting uncovered $3/4M of spending, the Wildrose Party (at the time an opposition party, prior to their merging with the PCs in 2017) obtained documents via FOIP and calculated a number just over $2M$.
At least one document shows the extent to which the government was attempting to keep the construction secret, roping in Ministers to override municipal building codes solely to avoid having to provide public disclosure.