Key data
| Regulation | Royal Decree-Law 29/2026, of October 6, adopting urgent measures for the protection of the social function of housing and the expansion of affordable housing supply |
|---|---|
| Publication | October 7, 2026 |
| Entry into force | October 7, 2026 |
| Affected parties | Tenants, landlords, large holders, investment funds, developers and construction sector |
| Category | Real Estate |
| Year | 2026 |
| Estimated deficit covered | 750,000 homes (according to the Bank of Spain) |
| Speculative purchase threshold | Prohibition of acquisition below 70% of appraisal value |
| State Plan | State Housing Plan 2026-2030 with protected financing |
| Activated state entity | CASA 47 |
| Official URL | BOE-A-2026-20823 |
Real estate investment funds, large holders and developers operating in stressed areas face an immediate change in rules. The Royal Decree-Law 29/2026, published and in force since October 7, 2026, introduces purchase restrictions, rent freezes and a new public housing framework that redefines the residential market in Spain. The regulation responds to a deficit estimated by the Bank of Spain at 750,000 homes.
What does this regulation establish?
RDL 29/2026 is structured around three main pillars:
| Pillar | Main measure | Affects |
|---|---|---|
| Market regulation | Rent freeze in stressed areas + prosecution of illegal tourist apartments | Landlords, short-term rental platforms |
| Citizen protection | Direct aid and tax incentives for tenants and small landlords | Tenants, individual landlords |
| Expansion of public stock | Activation of CASA 47 + State Plan 2026-2030 with protected financing + industrialized construction | Developers, builders, public sector |
The most disruptive measure for the private market is the prohibition of speculative purchases: no entity—investment funds, holding companies, large holders—can acquire properties below 70% of their appraisal value. This restriction seeks to eliminate fire-sale purchases that have characterized institutional capital entry into the Spanish residential market.
In parallel, CASA 47 is activated as a permanent state housing entity, responsible for managing and expanding the public affordable housing stock. The State Plan 2026-2030 accompanies this entity with protected financing, meaning resources cannot be redirected to other budget purposes.
On the supply side, the regulation incentivizes industrialized construction to accelerate housing production and attract labor to the sector, two levers that the conventional market has failed to activate on its own.
Economic and operational impact
For investment funds and large holders, the impact is immediate and structural. The prohibition on acquiring below 70% of appraisal value eliminates one of the main strategies for generating returns: distressed or discounted purchases. Any transaction that does not respect this threshold becomes illegal as of October 7, 2026.
For landlords in stressed areas, the rent freeze means they cannot increase rents upward while the stress declaration persists in their area. This directly affects portfolio returns and reinvestment decisions.
Small landlords and tenants have access to direct aid and tax incentives, although the regulation does not detail specific amounts beyond their incentive nature.
For the construction and development sector, incentives for industrialized construction open a business opportunity linked to the State Plan 2026-2030, with guaranteed public financing for five years.
Who does it affect?
- Real estate investment funds: Direct prohibition on purchases below 70% of appraisal value. Mandatory review of acquisition pipeline.
- Large holders: Same speculative purchase restriction. Possible impact on portfolio rotation strategies.
- Landlords in stressed areas: Rent freeze while stress declaration persists. No possibility of upward adjustment.
- Small landlords: Access to tax incentives and direct aid provided for in the regulation.
- Tenants: Protection against rent increases in stressed areas and access to direct aid.
- Developers and builders: Incentives for industrialized construction and access to State Plan 2026-2030 financing.
- Short-term rental operators: Active prosecution of illegal supply, with increased inspection pressure.
Practical example
A real estate investment fund identifies a portfolio of 50 homes in Madrid appraised at €200,000 per unit (€10 million total). The seller offers to close the transaction at 60% of appraisal value, that is, €120,000 per home (€6 million total).
Before RDL 29/2026, this transaction was legal and common. As of October 7, 2026, it is prohibited: the minimum legal price for the fund to acquire those homes is 70% of appraisal value, that is, €140,000 per unit (€7 million total). The fund must assume an additional cost of €1 million compared to the initial offer, or abandon the transaction.
This same principle applies to any entity—holding company, SOCIMI, debt fund—that acquires residential properties in Spain.
What should companies do now?
- Review the acquisition pipeline: Funds, SOCIMIs and large holders must audit all ongoing transactions and verify that the agreed price exceeds 70% of appraisal value. Those that do not comply must be renegotiated or cancelled.
- Update investment criteria: Investment committees must incorporate the 70% threshold as a compliance requirement in any new residential property purchase transaction.
- Identify if properties are in stressed areas: Landlords with rental properties must verify if their assets are in areas declared stressed, as the rent freeze applies immediately.
- Review the status of tourist apartments: Short-term rental operators must demonstrate the legality of their activity given the tightening of illegal supply prosecution.
- Explore State Plan 2026-2030 incentives: Developers and builders should analyze the conditions for accessing the plan's protected financing, especially in industrialized construction.
- Consult with specialized legal counsel: Given the immediate entry into force, any real estate transaction in progress must be validated with legal advice before closing.
Frequently asked questions
What does it mean that a fund cannot buy below 70% of appraisal value?
RDL 29/2026 prohibits any entity—investment funds, large holders, holding companies—from acquiring residential properties at a price below 70% of their official appraisal value. This measure seeks to eliminate speculative fire-sale purchases. If a property's appraisal is €200,000, the minimum legal purchase price for an entity is €140,000.
When does the rent freeze in stressed areas take effect?
The rent freeze in stressed areas is effective as of October 7, 2026, the date of publication and entry into force of RDL 29/2026. Landlords in these areas cannot increase rents upward while the stress declaration persists in their area.
What is CASA 47 and what role does it play in the market?
CASA 47 is the new permanent state housing entity activated by RDL 29/2026. Its function is to manage and expand the public affordable housing stock in Spain. It operates within the framework of the State Housing Plan 2026-2030, whose financing is budgetarily protected, guaranteeing its continuity regardless of political cycles.
How many homes does the deficit that justifies this regulation affect?
The Bank of Spain estimates the housing deficit in Spain at 750,000 units. This figure is the basis that justifies the urgency of RDL 29/2026 and the horizon of the State Plan 2026-2030, which includes incentives for industrialized construction to accelerate new supply production.
Are small landlords also affected by the rent freeze?
Yes, the rent freeze in stressed areas applies to all landlords, regardless of portfolio size. However, RDL 29/2026 also provides direct aid and specific tax incentives for small landlords, as a compensatory measure against rent limitations.
Official source
Consult complete regulation at official source
Notice: This article is for informational purposes only and does not constitute legal advice. For specific decisions, consult a qualified professional. Source: https://www.boe.es/diario_boe/txt.php?id=BOE-A-2026-20823
