The Perpetuities and Accumulations Act 2009 (c. 18) is an Act of the Parliament of the United Kingdom that reforms the rule against perpetuities.

The Act resulted from a Law Commission report published in 1998.

[3] It abolishes the rule against perpetuities in most non-trust contexts, such as easements.

A will drawn up before 6 April but executed later (upon the death of the testator) will continue to be bound by prior rules.

[4] Sections 22 to 24 came into force on 12 November 2009[5] Sections 1 to 21 and the Schedule came into force on 6 April 2010.