The modernization of Parliament’s Centre Block is within budget so far, but the federal government needs to do a better job of making up its mind before major construction begins, the federal auditor general says in a new report.

Karen Hogan warns in a report released Monday that if decision-making remains fragmented, it could lead to construction delays — and more costs for taxpayers.

The rehabilitation of Centre Block already comes with a price tag of up to $5 billion, and is set to be completed by 2031.

“Given the size and complexity of this undertaking, a streamlined decision-making process will be required to continue effectively managing the costs and timelines of the rehabilitation program, as construction work accelerates between now and the planned completion date,” says the report, which covers the period from January 2010 to July 2022.

The government is responsible for deciding how it wants Centre Block to look, including how many office spaces, committee rooms and security measures are needed, the report says.

“All these elements are important to determine the construction cost and schedule of the program and to keep it on track,” it reads.

In response, the federal government said it will start submitting project reports to the Speakers of the House of Commons and Senate twice a year, and it has committed to a study to ensure the space is inclusive.

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