Question to the Department for Work and Pensions:

To ask His Majesty's Government, further to the Department for Work and Pension's Estimated costs of uprating State Pension in frozen rate countries: 2024 to 2028, published on 19 July, whether there is any precedent where, when pensions were once frozen but started being uprated as a result of an international agreement, the pensions concerned were raised to the level they would have been had they never been frozen.

There is no standard model for international agreements on social security, which are agreed on a case-by-case basis between countries or groups of countries. The UK's international agreements on social security which include State Pension provisions are included here:

https://www.ilo.org/dyn/natlex/natlex4.listResults?p_lang=en&p_country=GBR&p_count=3017&p_classification=23.01&p_classcount=160