The Spanish government approved two emergency decrees on September 29 that immediately capped rent increases at 2% or froze them if above reference indices, while mandating automatic five-year lease renewals. Although Congress rejected the measures in early October by narrow margins, Prime Minister Pedro Sánchez dissolved parliament and called for general elections on November 29, subsequently re-approving the decrees with technical changes for validation by the Diputación Permanente. Critics argue the rules retroactively alter private contracts, violating constitutional protections against restricting individual rights without due process.

Market reactions were swift, with reports indicating approximately 2,900 rental listings were withdrawn from portals within four hours of the announcement, and Madrid listings reportedly dropped by 20% in under 24 hours. The policy shift occurs amid a structural housing shortage, where the Bank of Spain estimates an accumulated deficit of roughly 750,000 homes between 2021 and 2025 due to scarce buildable land and rigid planning regulations. Proponents of alternative assets note that unlike real estate, which is fixed to a jurisdiction subject to regulatory change, Bitcoin offers a decentralized store of value immune to local legislative decrees.