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Private individuals are driving a sharp rise in buy-to-let lending in Germany. The share of mortgage financing tied to rental property purchases has climbed from 16% to 26% over the past decade, according to Dr. Klein Privatkunden AG. The trend reflects growing demand for long-term, asset-backed income—even as regulation tightens, yields remain modest, and entry costs stay high.
“Having passive income has always been an advantage,” says Roland Lenz, a construction finance specialist at Dr. Klein in Stuttgart. “Against the backdrop of significantly higher rents in recent years, investing in rental property is even more worthwhile.” He points to the continued housing shortage across German cities as a key reason why investor interest remains high.
The data also show a shift in investment strategy. While institutional buyers have largely retreated from residential acquisitions in the current high-interest environment, private landlords are stepping in, often with a view to long-term wealth preservation or retirement planning. The landscape remains conservative: buyers tend to be experienced, equity-rich, and focused on small, manageable flats that can be rented easily and held for decades.
Germany is not a yield hunter’s paradise. In major cities, gross rental yields for apartments typically range from 2% to 4%. But this belies the underlying appeal for private investors with stable incomes or available equity: favourable tax treatment, predictable tenant relationships, and relatively low volatility. Unlike the British buy-to-let model, often driven by capital gains speculation and rapid portfolio expansion, the German approach is notably more conservative—long-term, yield-focused, and shaped by stricter tenancy law and lending discipline.
Smaller apartments of 40 to 50 square metres are in strong demand, particularly among first-time buyers. These units are easier to finance and let, and often come with sitting tenants. According to Dr. Klein’s internal data, more than half of future landlords prefer properties no older than 30 years. New-builds, while offering higher energy efficiency and accelerated tax depreciation, appeal to only 26% of potential buyers, primarily due to price. Despite the tax perks for EH40/QNG+ properties, buyers remain cautious—high construction costs, limited availability, and delayed completions have kept many would-be investors focused on newer existing stock instead.
The tax treatment of rental property ownership is a major factor driving demand. Germany’s generous capital gains exemption allows landlords to sell after 10 years without paying tax on profits, provided the asset is privately held. In addition, owners can depreciate the value of the building annually—typically at 2% or 2.5%—under the Absetzung für Abnutzung (AfA) rule. For properties qualifying under energy-efficient new-build standards (EH40/QNG+), accelerated depreciation of up to 5% annually is now permitted until 2029.
These write-offs can be applied against a landlord’s entire income tax bill, not just against rental income. The net result, especially for high-income earners, is a marked reduction in taxable income during the early years of ownership. Some investors are even refinancing to maintain higher deductible interest costs or reselling to a spouse to restart depreciation schedules.
A recent article by Hypofriend’s affiliated platform Investfriend outlines how these tax advantages, when combined with prudent financing and patient holding periods, can produce robust long-term returns. “For about the first 15 years, a rental property is mostly beneficial from a tax perspective due to the money you get back from the tax office,” the company writes. “After that, the revenue typically exceeds the costs.”
Not all investors are in it for yield. Many of those looking to acquire rental apartments already own property, according to Dr. Klein’s latest survey. Of those planning to invest by 2030, three quarters already have one or more units in their portfolio. They are typically looking to expand holdings, make use of spare equity, or lock in long-term tax advantages.
Dr. Klein’s Lenz observes that financing terms remain manageable even amid today’s interest rate levels. “It is advisable not to set the repayment rate too high,” he notes. “This has tax advantages and allows you to build up reserves over time that can compensate for rent losses.” For some investors, especially those taking over existing tenancies, stable monthly inflows provide comfort in a volatile macro environment.
According to Investfriend, the model appeals most to four types of buyer: high-income earners seeking tax optimisation, first-time investors with limited capital, older buyers constrained by repayment terms, and asset-rich individuals looking to diversify away from equities.
Regulation remains the key drag. Rent regulation is a fact of life in many German cities. The Mietpreisbremse continues to cap rent increases in designated areas, while forthcoming reforms to index-linked leases (Indexmieten) and further restrictions on furnished lettings may squeeze flexibility. Evictions remain time-consuming and legally fraught. And the political mood is tilted toward strengthening tenant rights, not landlord returns.
Despite these constraints, more buyers are being drawn to the segment. They tend to favour locations with more than 100,000 inhabitants—large enough to ensure demand, but not at the price levels seen in A-locations like Munich or Hamburg. These B- and C-tier cities offer a better balance between entry cost and rental stability. As ever, long holding periods remain the rule.
The current wave of buy-to-let investment is unlikely to trigger a speculative boom. Germany’s tax system and conservative financing norms do not encourage fast churn or leverage-driven growth. But for private individuals seeking long-term exposure to real assets, the logic remains compelling.
As the institutional sector waits for prices to rebase and interest rates to soften further, private landlords—especially those already on the property ladder—are quietly expanding. They are betting that rents will continue to edge upwards, the housing shortage will persist, and that Germany’s tax code will keep working in their favour.
For now, this remains a private affair. But as other real estate segments struggle with valuation gaps and regulatory drag, the buy-to-let market may begin to look less like a niche and more like a backbone. Whether it stays that way depends on how far policymakers push their tenant-protection agenda, and how quickly capital costs begin to retreat.
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