Carney announces contest aimed at restoring Canada’s prime minister residence after rodent and mold problems

Mark Carney, the Canadian prime minister’s office appointee overseeing aspects of the residence file, announced plans for a contest intended to spur ideas for a renovation of the prime minister’s official residence in Ottawa, described in reporting as uninhabitable. The residence, a historic and sprawling property, has been empty, according to The Guardian, after a series of building problems including a rodent infestation and mold.

The reporting said the residence has faced persistent rodent issues over an extended period, despite the presence of a long-running effort to control mice using an officially recognized feline. For more than a decade, an officially recognized “chief mouser” has worked to keep rodent numbers down at the residence, the newspaper reported, but additional failures in building conditions and containment have continued.

The Guardian’s account contrasted that long-running rodent-control effort with what it described as an “unchecked explosion of rodents” over a similar stretch of time at the prime minister’s official residence. It also reported mold and other unaddressed issues have contributed to the decision to leave the property empty rather than house residents while repairs are pursued.

In announcing the contest, Carney framed the effort as a way to bring in fresh approaches to restoring the residence to safe, usable conditions. While The Guardian report did not provide in the excerpt any specific contest rules, award terms, or a detailed procurement schedule, it did describe the contest as a public-facing step tied to the renovation need created by the property’s current condition.

The development raises practical questions about continuity of government functions and the management of an official residence with major public visibility, including how quickly the government can identify a path forward for remediation and whether contractors will be selected through the contest process or follow-on procurement. It also spotlights the governance challenge of maintaining high-profile government-owned assets to public safety and habitability standards, particularly when conditions deteriorate in ways that require moving residents out.

Next steps, according to the reporting, hinge on how the contest will be run and how the government will translate submissions into repairs at the residence. Until remediation work proceeds, the residence is expected to remain out of use, with the announced contest functioning as the visible bridge between the present uninhabitable condition and the planned major overhaul.