Build To Rent: What It Is and How It Works (2026)

August 18, 2025

The Spanish real estate market is undergoing an unprecedented transformation. In a context where access to housing has become one of the main social and economic challenges, the Build to Rent (BTR) model has emerged as an innovative solution that is redefining the concept of residential rental.

Unlike the traditional market, where most developments are built to sell to individuals or small investors, BTR represents a paradigm shift, as it involves developing residential complexes specifically designed to be rented out professionally and on a long-term basis. This model, which is already dominant in markets such as the United States and the United Kingdom, is gaining extraordinary momentum in Spain, driven by international investment funds, changes in consumer habits, and a growing demand for flexibility on the part of tenants.

In this article, we will explore not only the fundamentals of BTR, but also its real impact on the Spanish market, the opportunities it offers investors, the advantages for tenants, and the challenges it faces. With data updated to the current year, we will examine how this model is growing in key cities, what sets it apart from the traditional approach, and why many experts consider it the future of the residential sector in Spain.

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What is Build to Rent?

Build to Rent (BTR) is a real estate business model in which homes are built for the sole purpose of being rented, rather than sold. Unlike the traditional market, where developments are designed for sale to individuals or investors, BTR focuses on offering a high-quality rental product with additional services and professional management.

These projects are usually developed by large investment funds, SOCIMIs (listed real estate investment companies) or specialized companies, which retain ownership of the property and manage it over the long term.

Origin and evolution

The concept of Build to Rent has its roots in Anglo-Saxon markets, particularly in the United States, where operators such as Greystar and Equity Residential have been managing large professional rental communities for decades. However, it was in the United Kingdom where the model took its current form, especially after the 2008 financial crisis, when the British government implemented tax incentives to boost the construction of rental housing in response to the decline in mortgage lending.

The first projects were carried out in the US in the 1990s and 2000s, with premium rental gated communities. From 2010 to 2015, the model expanded in the UK, with funds such as Legal & General investing billions. From 2016 to 2020, there was a tentative arrival in Spain, with pilot projects in Madrid and Barcelona. And from 2021 to 2026, there was an explosion of the model in Spain, with more than €4 billion invested in 2024 alone.

In Spain, BTR has found fertile ground due to the decline in young people's purchasing power, which delays home purchases, labor flexibility, which encourages geographic mobility, and the professionalization of renting, which reduces conflict between landlords and tenants.

Advantages

Superior quality of life for tenants

The design is intended for rental, with more functional spaces, durable materials, and an optimized layout. It may include premium services such as gyms, swimming pools, coworking rooms, and 24/7 concierge service, which are present in 80% of BTR projects in Spain. In addition, they feature integrated technology.

Stability and flexibility in contracts

Contracts last between three and five years, with the option to renew. The clauses are flexible, with the possibility of subletting in some cases. And rent increases come with no surprises, as they are usually indexed to the CPI, avoiding sudden spikes.

Attractive returns for investors

They have a stable yield of between 4% and 6% per annum, which is higher than traditional rentals. There is less vacancy, as professional management reduces periods without tenants, and BTR buildings tend to appreciate faster than standard homes.

Sustainability and energy efficiency

60% of BTR projects in Spain have green certifications such as BREEAM or LEED. They may also have lower operating costs due to solar panels, recycling systems, and home automation systems.

How does BTR work?

In the first phase, planning and development take place, with the selection of strategic locations close to transportation, business areas, and services. A rental-oriented design is considered, with greater emphasis on common areas and spatial efficiency.

In phase 2, construction and financing, the initial investment can be between €100,000 and €150,000 per home (depending on the city), and financing can be provided by institutional funds (70%), banks (20%), and crowdfunding (10%).

Operational management is then carried out by specialized companies such as Vivenio (Vonovia) or Azora, which handle day-to-day operations. Revenue models are typically 80% residential rentals and 20% additional services such as laundry, parking, or commercial spaces.

Finally, there is a scalability phase, with possible expansion to new cities or diversification of spaces, which may include co-living, student housing, and senior living.

Difference between Build to Rent and Build to Sell

The growth of Build to Rent in Spain

Spain has become one of the most dynamic markets for BTR in Europe, with a cumulative investment of €12 billion since 2020 and 18,500 homes in operation (65% in Madrid and Barcelona). The tenant profile is 70% young people between the ages of 25 and 40, with 50% being foreign professionals (especially in Barcelona and Malaga).

The factors that have contributed to this growth are unmet demand, as Spain has a rental rate of 25% (compared to 35% in the EU), institutional support, as SOCIMIs enjoy a favorable tax regime (tax rates of 15%), and international interest, as funds such as Blackstone, AXA, and Patrizia have portfolios of more than 5,000 BTR homes in Spain.

You may be interested in: types of real estate investment.

Where are there Build to Rent projects in Spain?

The main cities with BTR projects are Madrid (Opera District, Arroyo del Fresno), Barcelona (22@, Glòries), Malaga (Malaga Nostrum), Valencia (City of Arts), and Seville (Cartuja).

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Disadvantages and limitations of this project model

High barriers to entry

Developing a BTR project requires at least €50 million, which limits it to large operators. In addition, there is little land available, as competition with traditional housing drives up prices.

Regulatory risks

According to the Housing Law, restrictions on rent increases in some autonomous communities affect profitability. And there may be tax changes due to possible revisions of the advantages of SOCIMIs.

Geographic concentration

80% of the supply is concentrated in Madrid, Barcelona, and the Costa del Sol, leaving medium-sized cities out of the picture.

Sensitivity to economic cycles

During recessions, demand may fall, especially in premium segments.

You may be interested in: vacant housing in Spain.

The Future of Build to Rent: Trends and Projections

The outlook for BTR in Spain is optimistic, with several key trends, such as expansion into new types of housing, such as co-living and senior living.

Technology and smart buildings are also integrated with 3D models to manage predictive maintenance, or tokenization, using blockchain.

Growth is expected in secondary cities such as Zaragoza, Alicante, and Bilbao, which will be the next focal points, with higher yields (up to 6.5%).

And the trend sets sustainability as the standard. By 2027, 90% of new BTR projects will be carbon neutral.

Frequently Asked Questions (FAQs)

Is it profitable to invest in Build to Rent?

Yes, because it offers returns of 4 to 6% per year, which are higher than other assets.

Who can invest in Build to Rent?

Funds, SOCIMIs, and large investors, although there are crowdfunding platforms for small investors.

What is the average return on a rental property in Spain?

Between 3.5 and 5%, depending on the area.

Is rent-to-rent legal in Spain?

Yes, but you must comply with the Urban Lease Law.

What services are included in Build to Rent homes?

In general, they include cleaning, maintenance, gym, common areas, and security.

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Conclusion

Build to Rent is a booming model that responds to new market demands, offering flexibility, services, and professionalization. In Spain, its growth is unstoppable, attracting international investors and offering a real alternative to traditional renting.

Sergio Navarro

Expert in blockchain, investments, and personal finance.

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