Athens Riviera Boom Cuts Rental Returns — New Index Shows Where Yields Have Slipped

Sale prices outpacing rents: what the new index means for real estate Greece

If you track the real estate Greece market, a recent analytical tool offers a clear signal: sale prices on the Athens Riviera grew faster than rents between 2019 and 2025, and that growth has cut buy-to-let returns. Presented at the "Greece 2026: Business, Real Estate, Investments" conference, the new "Property Thermometer" from Ilias Papageorgiadis and Spitogatos CEO Dimitris Melachrinos uses millions of platform data points to answer a simple question for investors: how many rental payments does it take to buy a home in each area?

The answer matters because the higher the number of rents required, the lower the gross rental return. For areas such as the Athens Riviera and parts of inner Athens, the index shows clear yield compression. That does not make those neighbourhoods poor investments in every case, but it does change the risk‑return calculation for buyers focused on rental income.

How the Property Thermometer works and why it matters

The Thermometer expresses price versus rent as the number of rental payments needed to equal the sale price of a typical home in a given area. The measure is straightforward and intuitive for investors who base decisions on income returns rather than pure capital gains.

• The index is built on millions of listings and transaction-related datapoints from Spitogatos.
• It reports the number of rental payments needed to buy a representative property for 2019 and 2025, allowing comparison across time and submarkets.
• A rising number means sale prices have increased faster than rents and that gross yields have fallen.

Our reading is that the Thermometer is a practical complement to conventional metrics: it translates price-to-rent dynamics into a single figure investors can compare across micro-markets. For buy-to-let investors this is more actionable than broad average price growth because it ties directly to cash flow expectations.

Key regional findings from the Thermometer: winners and losers

The Thermometer split Attica into several zones. The headline patterns are clear: the south coastal belt and many parts of central Athens saw sale prices climb faster than rents between 2019 and 2025. In contrast, northern and eastern suburbs recorded roughly parallel growth in prices and rents, while the wider Rest of Attica saw rents outpace sale prices.

Here are the main figures the index presented for each zone (number of rental payments required):

• Athens city centre: 2019: 161 rents, 2025: 212 rents — sale prices increased faster than rents.
• Historic Centre (lowest return in 2025): 317 rents.
• Northern suburbs: 2019: 271 rents, 2025: 288 rents — prices and rents grew at roughly the same pace; Papagou (lowest return): 459 rents.
• Southern suburbs (includes the Athens Riviera): 2019: 241 rents, 2025: 311 rents — sale prices rose faster; Argyroupoli (lowest return): 387 rents.
• Western suburbs: 2019: 202 rents, 2025: 238 rents — sale prices increased faster; Petroupoli (lowest return): 335 rents.
• Eastern suburbs: 2019: 250 rents, 2025: 256 rents — roughly similar pace; Gerakas (lowest return): 331 rents.
• Piraeus: 2019: 184 rents, 2025: 242 rents — sale prices increased faster; Neo Faliro (lowest return): 284 rents.
• Piraeus suburbs: 2019: 181 rents, 2025: 241 rents — sale prices increased faster; Drapetsona (lowest return): 332 rents.
• Rest of Attica: 2019: 246 rents, 2025: 221 rents — rental prices increased faster than sale prices; Saronida (lowest return): 333 rents.

Two figures stand out. The Athens Riviera and the southern suburbs show a move from 241 rents in 2019 to 311 rents in 2025. That change means a meaningful fall in implied gross rental yield for that zone, as explained below.

Translating rents-required into yield: a quick primer for investors

The Thermometer's number can be converted to a simple gross yield estimate if you assume the index measures monthly rental payments. The calculation is straightforward: gross yield (percent) = (12 / number_of_rents) × 100. We apply that formula to several Thermometer values to give investors a sense of scale.

• Athens Riviera / Southern suburbs, 2025: 311 rents → gross yield ≈ 3.9%.
• Athens city centre, 2025: 212 rents → gross yield ≈ 5.7%.
• Glyfada, 2025: 342 rents → gross yield ≈ 3.5%.
• Petroupoli, 2025: 335 rents → gross yield ≈ 3.6%.
• Drapetsona, 2025: 332 rents → gross yield ≈ 3.6%.
• Papagou, 2025: 459 rents → gross yield ≈ 2.6%.
• Neo Faliro, 2025: 284 rents → gross yield ≈ 4.2%.

These are gross figures and do not account for taxes, management fees, maintenance costs, insurance, vacancy or capital expenditure. Once those are included, net yields fall further, often by one percentage point or more. For example commercial accounts or experienced local landlords typically subtract 20 to 30 percent from gross yield to approximate net cash yield, depending on expense structure.

Why expensive and cheap areas can show similar returns

One of the Thermometer's most instructive findings is that neighbourhoods with very different price levels can deliver similar income returns. The index highlighted three areas with close numbers of required rents in 2025:

• Glyfada: 342 rents
• Petroupoli: 335 rents
• Drapetsona: 332 rents

Glyfada is a higher-priced seaside suburb; Petroupoli and Drapetsona are much more affordable. The similar Thermometer outcomes show that supply constraints and buyer demand can push sale prices up faster than rental rates, compressing yields in high-demand locations. In plain terms, limited resale stock and buyer interest in premium neighbourhoods can turn a price rally into a yield compression that matches lower-cost suburbs.

For investors this means a simple price comparison is not enough. You must weigh:

• The pace of future rent growth versus expected capital appreciation.
• Supply-side drivers such as new-build completions, planning constraints and second-home demand.
• The type of tenant pool: long-term residents, corporate expats, short-term holiday renters.

Practical implications for different investor types

Different buyers will react to the Thermometer findings in different ways. Below are tactical implications for the three common investor categories.

Buy-to-let income investors who need cash flow

• Yield compression in the Athens Riviera and several inner city pockets means these areas are less attractive if your objective is steady positive cash flow.
• Look instead at suburbs where rents rose faster than prices, for example parts of Rest of Attica and some northern/eastern suburbs where the number of rents required stayed stable or improved.
• Target properties where you can raise net rental income through renovation, legal short-term rentals or better management to offset lower headline yields.

Buyers focused on capital appreciation

• High demand areas like Glyfada and parts of the Riviera may still offer capital upside if you expect continued buyer interest, but the price now includes a premium that narrows margin for error.
• Consider development- or value-add projects where you can control timing of sale and upgrade quality to capture price differentials.

Occasional users and second-home buyers

• If you are buying for lifestyle reasons and occasional rental, the Thermometer matters less. But you should be aware that liquidity and running costs in these markets are impacted by the same supply constraints that push prices up.

Risks and caveats investors should weigh

The Thermometer is useful, but it is not a complete investment model.