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SUMMARY
We analyzed apartment rental yields in Cologne, as of 2026, for residential apartment buyers, using the raw dataset provided for this market. The work compares estimated purchase prices, monthly cold rents, gross yields, and net yields across Cologne neighborhoods and apartment sizes.
This tracker is updated regularly, so the figures should be read as a May 2026 snapshot of the Cologne apartment market rather than a permanent forecast.
The strongest income neighborhoods in the dataset are Kalk, Mülheim, Braunsfeld, Ehrenfeld, and Nippes. These areas show the clearest relationship between apartment purchase price and achievable monthly rent.
Kalk has the highest headline numbers, with estimated 1-bedroom net yield around 4.5% and a 1-bedroom entry price near €156,000. That is attractive, but it comes with higher micro-location and building-quality risk.
Mülheim is almost as strong on yield, with an estimated 1-bedroom net yield of about 4.4% and a purchase price near €161,000. It is a useful right-bank value case, but it is also uneven from street to street.
Braunsfeld is the most surprising performer in the dataset. Its estimated 1-bedroom purchase price is about €187,000, while monthly rent is about €900, producing a strong 4.3% net yield in a calmer and more established residential area.
Ehrenfeld and Nippes give a better beginner balance than many cheaper districts. Their 1-bedroom net yields, about 4.1% and 4.0%, are lower than Kalk, but tenant demand and resale psychology are easier to understand.
The weakest income profiles are in Neustadt-Süd, Altstadt-Nord, Altstadt-Süd, Bayenthal, and parts of Lindenthal. These are desirable places to live, but prices absorb much of the rental income.
Studios usually deliver the best percentage returns in Cologne because rent per square meter is highest for small apartments. A good 1-bedroom apartment is often the safer all-round choice because it attracts singles, couples, relocating professionals, and higher-budget students.
For a foreign individual buyer, the practical takeaway is simple: do not chase the highest gross yield alone. In Cologne, the better decision is to compare net yield, tenant depth, building condition, street quality, transport access, and resale liquidity together.
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Neighborhoods and apartment rental yields in Cologne in 2026
This table compares apartment rental yields in Cologne by neighborhood and apartment type.
For each area, the table shows estimated purchase price, estimated monthly rent, gross rental yield, and net rental yield for studios, 1-bedroom apartments, and 2-bedroom apartments.
Finally, please note you'll find much more detailed data, including fees, occupancy assumptions, time-to-rent signals, demand drivers, risks, and investment profiles, in our real estate pack about Cologne.
| Neighborhood | Studio average purchase price | Studio average monthly rent | Studio gross rental yield | Studio net rental yield | 1-bedroom average purchase price | 1-bedroom average monthly rent | 1-bedroom gross rental yield | 1-bedroom net rental yield | 2-bedroom average purchase price | 2-bedroom average monthly rent | 2-bedroom gross rental yield | 2-bedroom net rental yield |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Altstadt-Nord | €193,000 | €730 | 4.5% | 3.3% | €280,000 | €1,050 | 4.5% | 3.2% | €387,000 | €1,390 | 4.3% | 3.1% |
| Altstadt-Süd | €187,000 | €710 | 4.6% | 3.3% | €270,000 | €1,020 | 4.5% | 3.3% | €374,000 | €1,360 | 4.4% | 3.1% |
| Bayenthal | €186,000 | €660 | 4.3% | 3.2% | €269,000 | €960 | 4.3% | 3.2% | €372,000 | €1,270 | 4.1% | 3.0% |
| Braunsfeld | €130,000 | €620 | 5.7% | 4.3% | €187,000 | €900 | 5.8% | 4.3% | €259,000 | €1,190 | 5.5% | 4.1% |
| Deutz | €173,000 | €680 | 4.7% | 3.5% | €251,000 | €990 | 4.7% | 3.5% | €347,000 | €1,310 | 4.5% | 3.4% |
| Ehrenfeld | €140,000 | €650 | 5.6% | 4.1% | €203,000 | €940 | 5.6% | 4.1% | €281,000 | €1,240 | 5.3% | 3.9% |
| Kalk | €108,000 | €580 | 6.4% | 4.5% | €156,000 | €840 | 6.5% | 4.5% | €216,000 | €1,110 | 6.2% | 4.3% |
| Lindenthal | €184,000 | €720 | 4.7% | 3.6% | €266,000 | €1,040 | 4.7% | 3.6% | €367,000 | €1,380 | 4.5% | 3.4% |
| Mülheim | €111,000 | €580 | 6.3% | 4.4% | €161,000 | €840 | 6.3% | 4.4% | €223,000 | €1,120 | 6.0% | 4.2% |
| Neustadt-Nord | €178,000 | €720 | 4.9% | 3.5% | €257,000 | €1,040 | 4.9% | 3.5% | €356,000 | €1,380 | 4.7% | 3.3% |
| Neustadt-Süd | €202,000 | €730 | 4.3% | 3.1% | €292,000 | €1,060 | 4.4% | 3.1% | €404,000 | €1,400 | 4.2% | 3.0% |
| Nippes | €145,000 | €650 | 5.4% | 4.0% | €209,000 | €940 | 5.4% | 4.0% | €289,000 | €1,250 | 5.2% | 3.8% |
| Rodenkirchen | €150,000 | €630 | 5.0% | 3.8% | €218,000 | €910 | 5.0% | 3.8% | €301,000 | €1,210 | 4.8% | 3.6% |
| Sülz | €163,000 | €680 | 5.0% | 3.8% | €235,000 | €980 | 5.0% | 3.8% | €325,000 | €1,300 | 4.8% | 3.6% |
| Zollstock | €156,000 | €600 | 4.6% | 3.4% | €226,000 | €870 | 4.6% | 3.4% | €313,000 | €1,150 | 4.4% | 3.3% |
We have made this infographic to give you a quick and clear snapshot of the property market in Germany. It highlights key facts like rental prices, yields, and property costs both in city centers and outside, so you can easily compare opportunities. We’ve done some research and also included useful insights about the country’s economy, like GDP, population, and interest rates, to help you understand the bigger picture.
Which neighborhoods offer the best net yield among areas people actually want to live in Cologne?
The best net-yield neighborhoods among areas people actually want to live in Cologne are Ehrenfeld, Nippes, Braunsfeld, Sülz, and Mülheim.
These areas combine above-average net rental yields with enough tenant depth, transport access, and resale liquidity to make the income case believable.
For 1-bedroom apartments, the dataset shows about 4.1% net yield in Ehrenfeld, 4.0% in Nippes, 4.3% in Braunsfeld, 3.8% in Sülz, and 4.4% in Mülheim.
That compares with weaker income returns in more expensive central districts. Neustadt-Süd is around 3.1% net yield for a 1-bedroom apartment, while Altstadt-Nord is around 3.2%.
Ehrenfeld works because it is a lifestyle district without the same purchase-price pressure as Neustadt-Süd or Lindenthal. Nippes works because its renter base is broad and everyday, not only nightlife-driven.
Braunsfeld is the quiet overperformer. A 1-bedroom apartment is estimated at about €187,000 and €900 monthly rent, which gives one of the clearest rent-to-price relationships in the Cologne dataset.
Where can I find apartments with above-average yields and below-average entry prices in Cologne?
The clearest Cologne areas with above-average yields and below-average entry prices are Kalk, Mülheim, Ehrenfeld, Nippes, and Braunsfeld.
For a beginner buyer, Mülheim, Ehrenfeld, and Nippes are usually the cleaner value cases. Kalk can work, but it needs stricter unit and street selection.
Kalk has the lowest estimated 1-bedroom entry price in the table at about €156,000, with an estimated 4.5% net yield. Mülheim is close, at about €161,000 and 4.4% net yield.
Both areas sit well below the €250,000 to €292,000 entry prices seen in Deutz, Altstadt-Nord, Lindenthal, and Neustadt-Süd.
Ehrenfeld is not cheap in an absolute sense, but it still looks efficient. A 1-bedroom apartment is estimated at about €203,000, with a net yield around 4.1%.
Nippes is similar, with a 1-bedroom purchase price near €209,000 and an estimated 4.0% net yield. The practical takeaway is that the best Cologne value is not necessarily the cheapest neighborhood, but the area where rent, liquidity, and tenant demand still line up.
Where does the rent level justify the purchase price most clearly in Cologne?
The rent level most clearly justifies the purchase price in Braunsfeld, Ehrenfeld, Nippes, Mülheim, and Kalk.
These neighborhoods show the strongest relationship between monthly rent and entry price, which is the core signal for apartment rental yields in Cologne.
Braunsfeld is especially interesting. A 1-bedroom apartment is estimated at about €187,000, with monthly rent around €900, giving about 5.8% gross yield and about 4.3% net yield.
Ehrenfeld also looks rational for rental income. A 1-bedroom apartment at about €203,000 can support around €940 in monthly rent, giving about 5.6% gross yield and 4.1% net yield.
Mülheim has a strong rent-to-price ratio too. A 1-bedroom apartment is estimated at about €161,000 and €840 monthly rent, which keeps the net yield near 4.4%.
The caution is that Kalk and Mülheim need more attention to micro-location and building quality. Braunsfeld, Ehrenfeld, and Nippes are more forgiving for a foreign individual buyer.
We have actually built the our real estate pack about Cologne to make sure you won’t buy in the wrong area. Check it out.
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Where is the best place to buy if I want stable rental income rather than maximum yield in Cologne?
For stable rental income rather than maximum yield in Cologne, the best choices are Nippes, Sülz, Lindenthal, Ehrenfeld, and Rodenkirchen.
These neighborhoods do not always have the highest net rental yield in Cologne, but they have more durable tenant demand and more understandable resale appeal.
Nippes is one of the strongest stability choices because it gives both yield and tenant depth. Its estimated 1-bedroom net yield is about 4.0%, while its renter base includes professionals, couples, and small families.
Sülz and Lindenthal are lower-yield but resilient. Sülz shows around 3.8% net yield for a 1-bedroom apartment, while Lindenthal shows around 3.6%.
Rodenkirchen has a calmer rental profile. Its estimated 1-bedroom net yield is about 3.8%, supported by family and professional demand rather than nightlife or student turnover.
Ehrenfeld gives a higher yield than most prime areas, but tenant turnover can be more active because the renter base is younger and lifestyle-driven. That can still work well, but it creates more re-letting work than a quieter family district.
Which apartment type gives the best return for the lowest total investment in Cologne?
The apartment type that gives the best return for the lowest total investment in Cologne is usually the studio apartment, but the best all-round beginner product is often the 1-bedroom apartment.
Studios work because rent per square meter is highest for small units. A small apartment can therefore convert a lower purchase price into a stronger percentage yield.
The clearest example is Kalk. A studio is estimated at about €108,000 and €580 monthly rent, producing about 6.4% gross yield and 4.5% net yield.
Mülheim studios also look efficient, with an estimated purchase price of about €111,000, monthly rent around €580, and net yield near 4.4%.
The 1-bedroom format is usually safer because it attracts more tenant types. Singles, couples, relocating professionals, and higher-budget students can all fit the format.
Two-bedroom apartments earn higher absolute rent, but the percentage return is usually lower. In Cologne, a 2-bedroom apartment often makes more sense for stability or family demand than for maximum yield.
We give you more details in the our real estate pack about Cologne.
Which neighborhoods offer strong rental income with the lowest vacancy risk in Cologne?
The Cologne neighborhoods that offer strong rental income with the lowest vacancy risk are Nippes, Ehrenfeld, Sülz, Lindenthal, and Deutz.
These areas have broad rental appeal, which matters because a high rent is only useful if the apartment can be rented quickly and repeatedly.
Deutz is a good example of a lower-vacancy rental market. A 1-bedroom apartment is estimated to rent for about €990 per month, with a net yield around 3.5%.
The yield is not the highest in the dataset, but Deutz benefits from central right-bank access, fair and rail demand, and quick access to the inner city.
Nippes and Ehrenfeld are stronger from a yield perspective. Both have estimated 1-bedroom monthly rent around €940, but their entry prices are lower than Deutz or Neustadt.
Sülz and Lindenthal are lower-yield but very defensible. University access, family demand, green streets, and established local services make tenant demand easier to underwrite.
We did some research and made this infographic to help you quickly compare rental yields of the major cities in Germany versus those in neighboring countries. It provides a clear view of how this country positions itself as a real estate investment destination, which might interest you if you’re planning to invest there.
Which areas look overpriced relative to their rental income in Cologne?
The Cologne areas that look most overpriced relative to rental income are Neustadt-Süd, Altstadt-Nord, Altstadt-Süd, Bayenthal, and parts of Lindenthal.
These are attractive places to live, but the rental-income math is weaker because purchase prices are high compared with achievable rent.
Neustadt-Süd has the highest estimated 1-bedroom purchase price in the table at about €292,000, while rent is about €1,060 per month. That produces only about 3.1% net yield.
Altstadt-Nord is similarly compressed. A 1-bedroom apartment costs about €280,000 and rents for about €1,050, giving around 3.2% net yield.
Bayenthal is solid as a residential area, but not outstanding for income. A 1-bedroom apartment at about €269,000 and €960 monthly rent gives only about 3.2% net yield.
Lindenthal is not bad value for lifestyle or capital preservation, but it is not a maximum-income choice. Around 3.6% net yield for a 1-bedroom apartment leaves less margin for repairs, vacancy, or financing costs.
Which neighborhoods should I avoid even if the rental yield looks attractive in Cologne?
A beginner should be careful with Kalk and the weaker micro-locations of Mülheim even though the rental yield looks attractive in Cologne.
The headline return can be misleading if the apartment has weak light, poor energy performance, an awkward layout, or a neglected building.
Kalk shows the best estimated numbers, with about 4.5% net yield for studios and 1-bedroom apartments. But that high yield partly comes from lower purchase prices, not only exceptional rent strength.
The risk in Kalk is not that nobody rents there. The risk is that tenant depth, resale liquidity, building quality, and perceived safety can vary sharply from street to street.
Mülheim is stronger than many beginners assume, but it is uneven. Good locations near transport, the river side, or improving mixed-use areas are very different from weaker stock in less connected pockets.
The better rule is not to avoid these districts completely. Buy only when the apartment is easy to explain to a tenant: good transport, clean building, sensible layout, realistic rent, and no hidden renovation risk.
Which neighborhoods look risky even though the rental yield is high in Cologne?
The high-yield Cologne neighborhoods that look riskier are Kalk and parts of Mülheim.
Their risk-adjusted return can be weaker than the headline net yield suggests, especially for foreign buyers who do not know the street-level market.
Kalk has the highest estimated 1-bedroom yield in the table at about 4.5% net. But the buyer is relying more on affordability demand and lower purchase prices than on premium tenant willingness to pay.
Mülheim has an estimated 1-bedroom net yield around 4.4%. That is attractive, but it covers a mixed district where building stock and street quality can change quickly.
The safer alternatives are Ehrenfeld, Nippes, and Braunsfeld. Their yields are slightly lower than Kalk and Mülheim, but tenant demand and resale buyer psychology are easier to understand.
For a foreign individual buyer, the honest interpretation is that a 0.5 percentage-point yield advantage is not worth much if the apartment is harder to rent, harder to manage, or harder to resell.
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What neighborhoods should I avoid when buying a rental apartment in Cologne?
When buying a rental apartment in Cologne, a beginner should avoid weak micro-locations in Kalk, lower-liquidity parts of Mülheim, and overpriced units in Neustadt-Süd or Altstadt-Nord.
This is not a simple neighborhood blacklist. The problem is different in each area.
In Kalk, the issue is risk quality. The yield is attractive, but a beginner can easily overestimate the rent for a secondary street or buy into a building with hidden maintenance risk.
In Mülheim, the issue is unevenness. Strong pockets can work well, while weaker buildings or less connected streets need a real purchase-price discount.
In Neustadt-Süd and Altstadt-Nord, the issue is price rather than tenant demand. A buyer may get a beautiful, liquid apartment, but only about 3.1% to 3.2% net yield for a 1-bedroom unit.
Bayenthal also needs discipline. It is livable and attractive, but the estimated 1-bedroom net yield is only around 3.2%, so the purchase price has to be right.
The simple beginner rule is to avoid bad micro-locations in high-yield districts and overpriced units in prestigious districts.
Which neighborhoods are seeing rental demand weaken, and why, in Cologne?
The neighborhoods where rental demand looks more fragile in Cologne are overpriced central lifestyle districts and uneven right-bank or affordability districts.
The issue is not a collapse in rental demand. The issue is affordability pressure and narrower tenant pools.
Neustadt-Süd and Altstadt-Nord still attract renters, but a 1-bedroom rent of about €1,050 to €1,060 per month is high for many long-term local tenants.
That means demand can become more selective. The landlord may depend more on higher-income singles, couples, expats, or furnished-rental tenants.
Kalk has a different risk. Demand is supported by affordability, but weaker buildings or less attractive streets can take longer to rent if tenants have better choices nearby.
Mülheim sits between these two cases. It has improving demand, but older or poorly presented apartments can be less competitive because the district is mixed and tenant expectations vary by pocket.
Which neighborhoods are seeing new developments that could create stronger rental demand in Cologne?
The Cologne neighborhoods where new developments could create stronger rental demand are Deutz, Mülheim, Ehrenfeld and Braunsfeld, and Rodenkirchen or Rondorf.
The important point is that demand-creating development is not the same as new apartment supply. Jobs, amenities, transport, offices, and schools can deepen the tenant pool, while new apartments can also create competition.
Deutz benefits from its role as a right-bank business, fair, rail, and event location. That supports professional tenants who want central access without living directly in the left-bank Innenstadt.
Mülheim benefits from the wider right-bank regeneration story. If offices, creative uses, riverfront projects, and amenities continue improving, the tenant base can deepen beyond affordability demand.
Ehrenfeld and Braunsfeld benefit from west-side employment, media, creative, and lifestyle demand. They are already established, so some upside is priced in, but rental liquidity remains strong.
Rodenkirchen and Rondorf are more family-oriented. New residential growth can support demand, but investors must be careful because new apartment supply can dilute rents unless jobs, schools, transport, and amenities grow alongside it.
We created this infographic to give you a simple idea of how much it costs to buy property in different parts of Germany. As you can see, it breaks down price ranges and property types for popular cities in the country. We hope this makes it easier to explore your options and understand the market.
Which neighborhoods have become less attractive for apartment investors over the last 12 months in Cologne?
The Cologne neighborhoods that have become less attractive for income investors are mainly Neustadt-Süd, Altstadt-Nord, Bayenthal, and parts of Lindenthal.
They remain desirable residential locations, but the balance between purchase price, rent, net yield, and margin of safety has become less forgiving.
The issue is yield compression. Neustadt-Süd has a 1-bedroom net yield around 3.1%, Altstadt-Nord around 3.2%, and Bayenthal around 3.2%.
Those returns leave little room for vacancy, repairs, financing costs, or an owner who accidentally overpays for a renovated unit.
Cologne rents rose into 2026, but the most desirable districts still price in scarcity, lifestyle demand, and resale liquidity. Rent per square meter does not rise infinitely with prestige.
These areas can still work for capital preservation, self-use optionality, or a very long holding period. For a beginner seeking rental income, the margin of safety is weaker.
The better approach is to buy these districts only at a discount, with a rare layout, or when lifestyle and long-term resale matter more than annual income.
Which apartment types are becoming harder to rent in Cologne, and in which neighborhoods?
The apartment types becoming harder to rent in Cologne are overpriced 2-bedroom apartments in expensive districts and low-quality studios in weaker micro-locations.
The weakness is not citywide. It depends on price, layout, building condition, and whether the neighborhood can support the asking rent.
Two-bedroom apartments in Neustadt-Süd, Altstadt-Nord, Bayenthal, and Lindenthal can be expensive to buy. In the table, a 2-bedroom apartment in Neustadt-Süd is estimated around €404,000, with net yield around 3.0%.
That type of apartment can still rent, but the tenant pool is narrower. Families may prefer quieter areas, sharers may be price-sensitive, and high-income couples may compare against better buildings or more space elsewhere.
Studios have the opposite problem. They can yield well, but in weaker parts of Kalk or Mülheim, a poor studio can rely too much on affordability demand.
Bad light, weak energy performance, an old bathroom, or tired furnishings can hurt rentability quickly. The most liquid Cologne apartment type remains the 1-bedroom apartment in a connected, livable district.
The practical rule is to avoid buying the wrong size for the neighborhood. Do not buy an expensive 2-bedroom only because the rent looks high, and do not buy a cheap studio unless the micro-location is genuinely rentable.
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INSIGHTS
These insights are drawn from the Cologne apartment rental yield dataset, with a focus on what a foreign individual buyer should understand before buying a residential apartment to rent out.
You’ll find even more insights in our our real estate pack about Cologne.
- Kalk has the strongest headline apartment rental yield in Cologne, but it is not automatically the best beginner choice. The high return is partly compensation for weaker resale perception, more uneven streets, and higher building-selection risk.
- Mülheim is one of the most important value signals in the dataset. Its 1-bedroom apartment estimate of about €161,000 and 4.4% net yield shows how much the right-bank discount can matter.
- Braunsfeld is the dataset's quiet overperformer. It combines a calmer residential profile with 1-bedroom net yield around 4.3%, which is unusually strong for an established Cologne area.
- Ehrenfeld offers one of the best lifestyle-yield combinations in Cologne. It is not as cheap as Kalk or Mülheim, but it has deeper renter appeal and stronger resale psychology.
- Nippes is a strong risk-yield compromise. Its 1-bedroom net yield of about 4.0% is lower than Kalk, but the tenant base is broader and easier for a beginner to understand.
- Studios usually produce the best percentage returns in Cologne because small apartments monetize rent per square meter more efficiently. That does not mean every studio is safe, because the building and micro-location still matter.
- One-bedroom apartments are the cleanest beginner format. They usually offer less yield than studios but attract more tenant types, which can reduce re-letting risk.
- Two-bedroom apartments are usually less efficient for pure rental income. They can produce higher monthly rent, but the purchase price rises faster than the rent in many Cologne neighborhoods.
- Neustadt-Süd is attractive to tenants, but the numbers are tight for income buyers. A 1-bedroom net yield around 3.1% leaves little margin for mistakes.
- Altstadt-Nord is a liquidity market more than a yield market. The central location helps resale and tenant interest, but the purchase price absorbs much of the rent.
- Bayenthal is solid but expensive. It can be a good place to own, but at about 3.2% net yield for a 1-bedroom apartment, it is not a high-income strategy.
- Lindenthal is safer for capital preservation than for maximum income. Buyers are paying for prestige, university access, green streets, and long-term desirability.
- Deutz offers centrality and tenant stability, but not the highest income return. Its 1-bedroom net yield around 3.5% reflects the price premium for transport, Messe access, and right-bank centrality.
- Rodenkirchen is a stability play. The yield is not spectacular, but the family and professional renter profile can be easier to manage than a more volatile nightlife district.
- Zollstock looks cheaper than Sülz, but the yield advantage is not large enough to buy blindly. A buyer still needs to compare street quality, building condition, and tenant depth.
- The strongest Cologne investment logic is not high yield alone. It is the combination of net yield, tenant depth, manageable building risk, and a resale story that another buyer will understand later.
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OUR METHODOLOGY TO BUILD THIS TRACKER
To estimate purchase price, monthly rent, and rental yield in different Cologne neighborhoods, we built the analysis manually from the ground up by neighborhood and apartment type. For each area, we looked separately at studios, 1-bedroom apartments, and 2-bedroom apartments, using comparable size ranges.
We did not reuse a third-party yield dataset. We manually researched current residential sale and rental listings across major German real estate platforms relevant to Cologne, including ImmoScout24, immowelt, and Kleinanzeigen.
For each neighborhood, area, and apartment type covered in the tracker, we collected comparable sale listings and comparable rental listings ourselves. We then cleaned, filtered, normalized, and interpreted the data before calculating rental yield estimates.
On the purchase side, we removed duplicates, non-comparable properties, unrealistic asking prices, luxury outliers, distressed assets, serviced-style offers, incomplete listings, and other properties that would distort the estimate. We kept only reasonably comparable apartments based on location, property type, size, condition, and listing quality.
We estimated realistic purchase prices using the median price as the main reference where possible. We used the average only when the sample was clean and not distorted by extreme listings.
We built the rental side of the dataset separately. For the same neighborhood and property type, we manually collected rental listings, removed outliers and non-comparable offers, and estimated realistic monthly cold rent using the median rent where possible.
Purchase prices and rents were then matched by neighborhood and apartment type to estimate gross rental yield. The formula is simple: gross rental yield equals annual rent divided by estimated purchase price.
To estimate net yield, we did not apply one flat discount to every apartment. The deduction was adjusted by neighborhood and property type because different apartments have different cost structures.
For Cologne apartments, the adjustment considers vacancy risk, non-recoverable building costs, maintenance reserve, management costs, letting friction, repairs, service charges, tax friction, and other ownership costs that can affect real rental income. A small central studio and a larger apartment in a less liquid area should not be treated as if they have the same operating profile.
Each estimate is assigned a confidence level based on the quality and size of the comparable listing sample. Around 30 to 40 comparable listings means higher confidence. Around 20 to 30 comparable listings means usable but less robust. Fewer than 20 comparable listings means directional only, unless the comparable area is widened carefully.
These estimates are updated regularly and should be read as structured market estimates, not guarantees of future rental income. Honesty, quality, and rigor are central to our work, and they are also what you will find in our real estate pack about Cologne.
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