Question to the HM Treasury:

To ask His Majesty's Government what was (1) the total whole-life cost, and (2) number of projects, in the Government Major Projects Portfolio in each of the past seven financial years; and what was the headcount of the Infrastructure and Projects Authority in each of those years.

As published in the Infrastructure and Project Authority’s most recent Annual Report for 2023 to 2024, the whole-life cost followed by the number of projects on the Government Major Projects Portfolio for each of the last seven financial years is as follows:

• 2018: £461bn across 133 projects
• 2019: £496bn across 133 projects
• 2020: £481bn across 125 projects
• 2021: £581bn across 184 projects
• 2022: £678bn across 235 projects
• 2023: £805bn across 244 projects
• 2024: £834bn across 227 projects

This information is presented within the Infrastructure and Project Authority’s most recent Annual Report for 2023 to 2024.

The headcount for the Infrastructure and Projects Authority for each of the last seven years (the number of the Full-Time Equivalent staff from the 1^st April each year) is as follows:

• 2018, 156.3
• 2019, 155.7
• 2020, 194.1
• 2021, 199.6
• 2022, 190.6
• 2023, 177.4
• 2024, 183.6