Question to the Ministry of Defence:

To ask the Secretary of State for Defence, what was the cost of the latest refit of HMS Iron Duke.

The costs of the most recent deep maintenance periods (Docking Periods) for the specified Type 23 frigates are as follows:

• HMS Lancaster – £67.6 million - May 2017 - June 2020 - 156 weeks
• HMS Iron Duke – £102.9 million - May 2019 - May 2023 - 208 weeks
• HMS Richmond – £72.0 million – October 2017 - June 2020 –126 weeks.

These periods of planned deep maintenance were undertaken to sustain the ships’ operational capability and recertify the ships’ safety to operate in accordance with the Programme of Record (the ships’ sustainment) under the last government