Introduction This Practice Note is part of our student series, aimed specifically at students undertaking their LLB. It examines the development and modern operation of the doctrine of privity. It begins by outlining the orthodox common law position and its conceptual foundations, including the link between privity and consideration. The Practice Note examines the development, operation and reform of the doctrine. It begins by outlining the orthodox common law position and its conceptual foundations, including the relationship between privity and consideration. It then analyses the principal judicial responses to the doctrine’s rigidity, including collateral contracts, agency, trusts of a promise, restrictive covenants and recovery of third-party loss, with reference to leading cases. The Practice Note then analyses the statutory reform introduced by the Contracts (Rights of Third Parties) Act 1999, examining the structure and interpretation of sections 1(1)–1(6), including the identification requirement under section 1(3), and key authorities. It focuses on how third parties may now enforce contractual terms where clearly identified, and how the Act preserves certainty and party autonomy. A consolidated case table