By DC Engineers | Architecture, Engineering & Construction
Foreign investment in Greek real estate has grown significantly in recent years, driven by the Golden Visa programme, strong tourism returns, and a recovering property market. For many international buyers, however, the process of acquiring property in Greece involves risks that are not immediately visible — and that a well-structured due diligence process is designed to address.
This guide provides a systematic overview of what foreign buyers must verify before committing to a property purchase in Greece, with particular focus on construction quality, legal compliance, and technical inspection. It is relevant both to buyers at the research stage and to those who have already identified a specific property.
The Greek Property Market: Key Characteristics
Greece has a well-established legal framework for foreign property ownership. EU and most non-EU nationals may purchase freely, subject to certain restrictions in border regions. The acquisition process, while procedurally involved, is well-defined and manageable with qualified professionals.
What demands more careful attention is the condition and legal standing of the properties themselves. Greece's building stock reflects decades of rapid construction, inconsistent regulatory enforcement, and frequent legislative change. The result is a market where properties of significantly varying quality and legal status coexist — often without clear external indicators.
Independent technical due diligence is therefore not a precautionary measure. It is a fundamental requirement of any responsible acquisition.
Step 1: Assemble Your Professional Team Before Signing Anything
The most consequential mistake foreign buyers make is entering into a preliminary agreement before their advisory team is in place. Once a pre-contract is signed, leverage to negotiate, withdraw, or request remediation is substantially reduced.
Your team should comprise the following professionals:
Independent Civil or Structural Engineer This must be an engineer retained directly by the buyer, with no connection to the seller, developer, or agent. Their mandate is to assess structural integrity, verify legal compliance of the construction, and identify any defects or risks that affect the property's safety or value. Independent technical inspection is not standard practice in Greece for domestic transactions — meaning most foreign buyers who omit it are accepting undisclosed risk.
Licensed Greek Real Estate Lawyer The notary's role in a Greek property transaction is to authenticate documents as a state official — not to protect the buyer's interests. A separate real estate lawyer is required to conduct title searches, identify encumbrances, and review the purchase contract in your interest.
Licensed Topographer / Surveyor Essential for land purchases, rural properties, and island plots, where boundary disputes and unregistered parcels are not uncommon.
Tax Advisor with Experience in Foreign Acquisitions Property transfer taxes, ongoing ownership costs, rental income obligations, and Golden Visa compliance requirements differ meaningfully from what most foreign buyers are accustomed to. Qualified advice at the outset avoids costly corrections later.
Step 2: Technical Inspection — What a Structural Engineer Must Assess
A thorough technical inspection covers the following areas.
2.1 Structural Integrity and Seismic Compliance
Greece is among the most seismically active countries in Europe. Athens experienced a major earthquake in 1999; significant seismic events affect the country regularly. The structural assessment of any property must be conducted with this context in mind.
Critical factors include:
- Construction period: Buildings constructed before 1985 predate modern seismic design codes. Those built between 1985 and 2000 fall under transitional regulations. Post-2000 construction should comply with Eurocodes, provided that design and supervision were properly executed.
- Concrete condition: Cracking patterns, concrete carbonation, and exposed or corroded reinforcement require assessment by a qualified structural engineer.
- Foundation system: Of particular relevance on hillside sites, island properties, and areas with fill material or poor bearing capacity.
- Structural modifications: Any alteration to the original structural configuration — removed walls, added loads, extended balconies — affects the integrity of the original design. These require individual evaluation.
2.2 Legal Compliance — Arbitrary Constructions
This is among the most important Greece-specific issues in property acquisition, and one that consistently generates problems for uninformed buyers.
A substantial proportion of Greek properties contain "arbitrary constructions" — elements built without a permit, or that deviate from the approved building plans. These range from enclosed balconies and basement conversions to significant structural additions. Their presence may affect the property's insurability, mortgageability, and resale value.
Greek Law 4495/2017 provides a mechanism for regularising certain arbitrary constructions through the payment of a prescribed fine. However, not all arbitrary elements qualify for regularisation, and sellers are not always forthcoming about what has been disclosed or resolved.
Your engineer will cross-reference the physical property against the approved building permit and flag all discrepancies. No property should be acquired without this verification.
2.3 Energy Performance Certificate
Greek law mandates an Energy Performance Certificate (EPC) for all property transactions. The rating scale runs from A+ to G. The majority of older Greek buildings fall in the D to F range.
Energy performance affects both the property's operating costs and its long-term compliance with tightening EU regulations. An engineer can provide a realistic assessment of the cost and scope of an energy upgrade, which should be factored into the acquisition economics.
2.4 Mechanical and Electrical Installations
The following require direct inspection:
- Electrical installation age and specification — aluminium wiring, common in pre-1980s buildings, presents a documented fire risk
- Heating and hot water systems — condition, age, and fuel type
- Plumbing — materials and condition; lead piping in pre-1970s buildings and degraded polyethylene in some 1980s–1990s installations are known issues
- Elevator compliance certification, where applicable
- Roof waterproofing integrity
2.5 Common Areas (Apartment Acquisitions)
For apartment purchases, the condition and financial standing of the building as a whole is a shared liability. The inspection should cover:
- Roof and structural common elements
- Status of the building's management committee and maintenance fund
- Outstanding common area expenses, which may transfer to the new owner
- Any pending major works or unresolved defects in shared systems
Step 3: Title Search and Legal Verification
Your lawyer will conduct searches at the relevant Land Registry or Mortgage Registry to confirm:
- Unencumbered ownership — the seller holds clear title to the property being offered
- Absence of mortgages, court orders, liens, or third-party claims
- No inheritance disputes or unresolved co-ownership issues
- Consistency between the registered property description and its physical reality
Note that Greece's national cadastral programme (Ktimatologio) remains incomplete in certain areas, particularly on the islands. In these locations, older mortgage registry records apply and the title search requires additional diligence.
Step 4: Golden Visa Acquisitions — Specific Considerations
Foreign buyers acquiring property under the Greek Golden Visa programme should be aware of the following:
- Investment thresholds have been revised upwards in recent years and vary by geographic zone. The applicable threshold must be confirmed with your lawyer prior to any agreement, as it directly affects property selection.
- Short-term rental of a Golden Visa property is legally permitted, subject to registration with the Greek tourism authority (MHTE) and compliance with applicable tax and licensing requirements.
- Golden Visa acquisitions frequently involve properties requiring renovation. A pre-purchase structural and cost assessment is strongly advisable before finalising the purchase price. Renovation costs in Greece, particularly for island properties, vary considerably depending on building condition, access logistics, and the scope of required works.
Step 5: New Construction vs. Existing Property
New Construction
New builds offer the advantage of modern seismic design compliance and, in principle, known construction quality. In practice, the quality of supervision and materials varies.
For any new build, the following documentation should be requested and reviewed:
- Building permit
- Engineer's supervision logbooks
- Energy Performance Certificate
- Building Electronic Identity — a legal requirement for new buildings
- Structural completion certificate or warranty from the supervising engineer
Existing Property for Renovation
Renovation properties represent both the highest potential returns and the greatest technical risk in the Greek market. Accurate cost assessment prior to purchase is essential to sound investment decisions.
Common issues identified in Greek renovation projects that are not apparent from a visual inspection include:
- Structural interventions required for seismic compliance under current codes
- Asbestos-containing materials in pre-1990s buildings (roof tiles, adhesives, insulation)
- Concealed water ingress behind tiled finishes
- Insufficient electrical supply capacity for contemporary equipment and air conditioning loads
- Planning restrictions applicable to listed buildings and properties within traditional settlements, which limit the scope of permissible alterations
Step 6: Remote Acquisitions
A significant proportion of international buyers complete part or all of their Greek property transaction from abroad. This is procedurally straightforward but requires specific safeguards:
- Retain an engineer to conduct a physical inspection with video documentation and a formal written report — not a verbal summary
- Grant your lawyer a notarised Power of Attorney to execute the purchase on your behalf
- Structure any renovation contract with milestone-based payments tied to inspected progress, not elapsed time
- Conduct all key communications in writing, with clear scope and cost agreements in advance
Common Errors in Foreign Property Acquisitions
The following patterns are encountered repeatedly in transactions where problems subsequently arise:
- Relying on the seller's or developer's engineer for the structural assessment
- Accepting verbal assurances regarding arbitrary constructions without independent verification
- Underestimating renovation costs, particularly for island properties where logistics materially increase both materials and labour costs
- Failing to account for the full cost of acquisition — transfer tax (3%), notary fees, legal fees, and agent commissions typically aggregate to 8–12% above the agreed purchase price
- Signing the preliminary agreement before due diligence is complete, under pressure of artificial urgency
Summary
The Greek property market offers genuine opportunity for well-informed foreign buyers. The legal framework for foreign ownership is established, the investment fundamentals for quality properties are sound, and demand in the residential and short-term rental sectors remains strong.
The principal risk is not the market itself but the condition and legal standing of individual properties — variables that are fully assessable through structured technical and legal due diligence, conducted by independent professionals before any commitment is made.
DC Engineers — Independent Technical Advisory for International Buyers
DC Engineers is a licensed Architecture, Engineering & Construction (AEC) practice with offices in Athens and Andros, Cyclades. We provide independent pre-purchase property inspections, construction supervision, renovation project management, and technical advisory services to international clients — conducted and communicated in English.
Enquiries are welcome from buyers at any stage of the acquisition process.
This article is provided for informational purposes and does not constitute legal or financialadvice. Readers are advised to seek qualified legal counsel for advice specific to theircircumstances and transaction.