Published on and written by Cyril Jarnias
As Greece intensifies its efforts to align its real estate sector with European sustainable development goals, interest in green real estate continues to grow, placing the country at the heart of the energy transition.
In 2025, Athens will introduce strict ecological standards for new construction and building renovation, sparking a wave of innovative and sustainable projects.
These initiatives are reinforced by significant government subsidies, aimed at making the transformation possible for all market players, from developers to individual homeowners.
Tax support and financial incentives are not only transforming the Greek urban landscape but also redefining property value by integrating an ecological dimension that is becoming increasingly essential in the eyes of residents and investors.
Green Building Trends in Greece
Recent initiatives by the Greek government to encourage green building include the implementation of new regulations since 2023 aimed at promoting energy efficiency, limiting building height, and prohibiting construction expansion beyond certain urban areas. These measures are part of a national strategy that also promotes the use of innovative solutions for resource management and reducing the carbon footprint of the real estate sector.
Technological Innovations and Sustainable Materials Used:
- Smart irrigation systems reusing ancient infrastructure, such as Roman aqueducts brought back into service to save drinking water in urban green spaces.
- Widespread use of connected pumps and cisterns for storing and recycling non-potable water.
- Growing use of bio-based materials (certified local wood, natural insulation) and recycled materials (low-carbon concrete from demolition).
- Widespread installation of solar thermal or photovoltaic panels on flat roofs or terraces.
Popular Architectural Trends in New Green Projects:
- Maximum integration into the existing urban fabric through renovation of old buildings rather than massive new construction.
- Bioclimatic architecture leveraging natural orientation, cross-ventilation, and the preservation or restoration of collective green spaces on rooftops or inner courtyards.
- Creation of multifunctional buildings (housing/social groups/services) to optimize energy use.
| Innovations & Trends | Description |
|---|---|
| Heritage Reuse | Leveraging historical infrastructure to reduce energy needs |
| Sustainable Materials | Prioritizing certified local wood & natural insulation |
| Bioclimatic Design | Optimizing orientation/ventilation/green spaces |
Impact on the Real Estate Market:
- Significant increase in land value for properties incorporating these ecological innovations.
- Growing adoption by developers seeking to anticipate increased demand for energy-efficient housing before 2025.
- Institutional investors now massively favoring this type of green operation in their portfolios.
Adoption by Developers/Investors:
- Major Greek real estate groups are adapting their financial models to the new environmental standards imposed by these laws since 2023;
- Incentive tax measures (temporary relief) further accelerate this transition towards a more sustainable building stock.
Specific Challenges to Overcome to Meet 2025 Goals:
- Costly modernization of the aging existing building stock (75% built before 1980), requiring substantial public/private investment
- Cultural resistance to rapid architectural change
- Persistent administrative complexity sometimes hindering the quick obtainment of ecological permits
- Urgent need for specialized professional training in green technologies
Summary List of Challenges:
- Massive renovation needed for old building stock
- Sufficient financing for all types of real estate players
- Increased regulatory simplification expected by the industry
- Technical training adapted to emerging innovations
Good to Know:
Since 2023, Greece has stepped up its efforts in favor of green building with the introduction of new laws encouraging the use of sustainable materials like ecological concrete and integrated solar panels. Innovations include technologies such as smart energy management systems and green roofs, which have become highly sought after. Architectural designs blending modernity with local tradition are generating keen interest, notably incorporating bioclimatic structures. These trends are stimulating the real estate market, with developers and investors increasingly adopting these practices to meet growing demand. However, Greece must overcome challenges such as the high cost of ecological materials and the lack of skilled labor to achieve the ambitious goals set for 2025.
Subsidies for Renewable Energy in Greece
Subsidies for renewable energy in the Greek real estate sector by 2025 are available through various mechanisms, government programs, and tax incentives aimed at accelerating the adoption of solar, wind, and geothermal installations. These measures are part of an ambitious legislative framework, aligned with the National Energy and Climate Plan (NECP), which sets targets for carbon neutrality and energy independence by 2050.
Types of Subsidies Available
- Direct investment subsidies for the construction or renovation of buildings incorporating solar photovoltaic, thermal, or hybrid systems.
- Financial support for the installation of domestic and community wind turbines.
- Specific support programs for geothermal projects in suitable areas.
- Facilitated access to European funding via the REPowerEU plan and the special fund for decarbonized islands (€1.6 billion dedicated notably to green infrastructure).
- Subsidized loans from the European Investment Bank for green real estate projects.
Tax and Financial Incentives
- Tax deductions on property or professional income related to investments in renewable energy equipment.
- Temporary VAT reduction on certain equipment (photovoltaic panels, heat pumps).
- Guaranteed tariffs for electricity produced by private installations connected to the grid.
| Type of Incentive | Description | Beneficiaries |
|---|---|---|
| Direct Subsidy | Partial financing of initial cost | Private/Collective Owners |
| Tax Deduction | Proportional tax relief | Real Estate Developers |
| Subsidized Loan | Reduced rate on bank financing | Companies in the sector |
Eligibility Criteria
- Compliance with national standards for building energy performance (reinforced thermal regulations since 2023).
- Project located in a zone compatible with RES development according to territorial planning.
- Validated technical file demonstrating a measurable energy gain above the threshold defined by Greek law (generally >20% reduction in primary energy consumption).
Integration into the Sustainable Legislative Framework
The subsidies are directly integrated into the revised NECP: any new real estate project must aim for an increasing share of integrated renewable energy. Major renovations also benefit if they allow a significant improvement in the overall energy rating.
Concrete Example:
A pilot residential complex near Athens benefited in 2024 from European REPowerEU co-financing: hybrid solar roof installation + battery storage + geothermal pump. This project achieved over 80% annual electrical self-sufficiency and a property value increase above the regional average.
Potential Impacts on the Green Real Estate Market
The rapid growth of aid has generated:
- Marked increase in private investment: over €2 billion invested in residential/commercial real estate RES expected by 2025
- Estimated creation of over 210,000 jobs/year starting this year thanks to related projects
- Significant increase (>2%) in national GDP linked solely to direct economic spin-offs
All of this not only helps boost the local market but also positions Greece as a regional leader in sustainable real estate.
Good to Know:
In Greece, the government offers various subsidies for renewable energy in real estate, notably for solar, wind, and geothermal installations, with tax and financial incentives aimed at stimulating the adoption of these technologies. Programs such as “Green Energy Homes” offer subsidies covering up to 30% of costs for small residences, while tax reductions are available for larger projects. Eligibility criteria include the use of certified technologies and compliance with current sustainable construction standards, according to 2025 legislation. Successful examples include residential complexes in Athens integrating solar panels, which benefit from tax reductions and have seen their property value increase by an average of 15%. These measures contribute to transforming the real estate market towards more ecological models, stimulating economic growth and reducing the national carbon footprint.
BREEAM Certification: A Growing Standard in Greek Real Estate
BREEAM (Building Research Establishment Environmental Assessment Method) was created in 1990 by the Building Research Establishment (BRE) in the United Kingdom. It is the first method for assessing the sustainability of buildings, designed to promote environmentally friendly practices throughout the building’s life cycle, from design to operation and maintenance. BREEAM is based on principles of holism, flexibility, and transparency, evaluating a wide range of criteria such as energy efficiency, water and waste management, carbon emissions, and material selection.
Evolution and Diffusion
Since its launch, BREEAM has established itself as an international reference for sustainable real estate. Its modular system offers several versions adapted to different types of buildings: New Construction for new builds, In-Use for existing buildings, and Refurbishment for major renovations.
Impact on the Greek Real Estate Market
The gradual introduction of BREEAM standards in Greece has helped transform the local real estate sector towards greater sustainability. Several emblematic projects have obtained this certification in recent years:
| Project | City | Type | BREEAM Level |
| The Orbit | Athens | Office | Excellent |
| Green Plaza | Thessaloniki | Commercial | Very Good |
| Athens Marina Tower | Piraeus | Residential | In Progress |
These projects illustrate a qualitative upgrade in Greek real estate construction. The observed benefits include:
- Significant reduction in energy consumption
- Optimization of indoor comfort (air quality, natural light)
- Better overall environmental management
- Increased asset value for international investors
Challenges Faced by Developers
Greek developers face several challenges during the process:
- Higher initial costs related to the early integration of environmental criteria
- Administrative complexity due to the need for exhaustive technical documentation
- Relative lack of locally accredited “BREEAM assessors”
To overcome these obstacles and accelerate adoption, certain economic incentives are offered by the Greek government or through European funds dedicated to the energy transition. These notably include:
- Partial subsidies for integrated energy studies in large urban projects.
- Specific tax relief if certain environmental thresholds are met.
- Preferential access to green financing offered by local banks or European institutions.
Influence on Buyers/Investors
The presence of a BREEAM certification significantly influences high-end market preferences:
- Institutional investors now predominantly favor this type of certified asset as a guarantee of resilience against future regulatory risks.
- Tenant companies seek out these high-performance offices to improve their CSR (Corporate Social Responsibility) image.
- On the premium residential side — although more recent — there is growing demand from international buyers sensitive to green labels.
BREEAM certification is thus perceived as a major differentiating argument that allows not only operational optimization but also sustainable financial value enhancement.
In summary: The rapid evolution of the BREEAM label in Greece responds both to a local need and to the growing demand from international capital for greater real estate sustainability – although this remains conditional on the progressive strengthening of national public incentives.
Good to Know:
Launched in 1990 in the United Kingdom, BREEAM certification has gradually gained ground internationally, becoming a standard of choice for sustainable real estate in Greece. Indeed, emblematic projects such as the renovation of the Golden Hall shopping center in Athens have obtained these qualifications, illustrating the rigorous sustainability and energy efficiency criteria imposed by this certification. Greek developers, although faced with challenges of high initial costs and increased process complexity, benefit from notable economic incentives from the state, aimed at alleviating these obstacles. These subsidies aim to promote wider adoption of BREEAM standards, crucial for strengthening the appeal of green buildings for buyers and investors seeking greener and economically viable long-term real estate options.
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Cyril Jarnias is an independent expert in international wealth management with over 20 years of experience. As an expatriate himself, he is dedicated to helping individuals and business leaders build, protect, and pass on their wealth with complete peace of mind.
On his website, cyriljarnias.com, he shares his expertise on international real estate, offshore company formation, and expatriation.
Thanks to his expertise, he offers sound advice to optimize his clients' wealth management. Cyril Jarnias is also recognized for his appearances in many prestigious media outlets such as BFM Business, les Français de l’étranger, Le Figaro, Les Echos, and Mieux vivre votre argent, where he shares his knowledge and know-how in wealth management.
