Vonovia Pushes Through Berlin Rent Hikes as Mid-Year Portfolio Test Looms
Published on 06/26/2026 at 12:22 | Redaktion boerse-global.de
Germany’s largest residential landlord is pressing ahead with a 4.8% average rent increase in Berlin, citing the city’s new rental index, even as political backlash intensifies and the ECB’s tightening cycle threatens to undermine the company’s stated asset values. The move, which affects an undisclosed number of the roughly 130,000 Vonovia apartments in the capital, comes just days before the group’s mid-year portfolio valuation on June 30 — a review that will test whether operating momentum can offset rising discount rates.
The legal basis for the increase rests on Berlin’s updated rent index, which shows the median net-cold rent climbing from €7.21 to €7.71 per square meter, a 6.9% jump. Vonovia is undercutting that by two percentage points, capping the hike at 4.8%, or roughly €0.35 per square meter. The maximum monthly increase for any single tenant stands at about €70. Berlin is Vonovia’s largest individual market with 138,000 units, where the average rent stood at €8.23 per square meter at the end of March and vacancy was a wafer-thin 0.8%.
The political reaction has been sharp. SPD parliamentary leader Raed Saleh publicly urged Vonovia to suspend the increases, while the Left party launched a nationwide campaign titled “Stop the Vonovia Rip-Off,” inviting tenants to report overcharging or ignored maintenance through an online portal. Yet Vonovia’s legal position appears robust, and the company has shown no willingness to bend to political pressure — a stance that has held through previous controversies.
For investors, the rent increase underscores the underlying health of the core letting business, even as macro headwinds batter the stock. In the first quarter, organic rent growth across the portfolio ran at 4.0%, the average rent rose 3.8% year-on-year to €8.46 per square meter, occupancy hit 97.7% and the collection rate reached 99.6%. Germany’s chronic housing shortage reinforces that pricing power: only 206,600 new apartments were completed nationwide in 2025, an 18% decline from the prior year and the lowest tally since 2012.
Should investors sell immediately? Or is it worth buying Vonovia?
The problem is that higher interest rates are simultaneously eroding the balance-sheet value of that same portfolio. The ECB lifted all three key rates by 25 basis points on June 11, pushing the deposit facility to 2.25%, while the yield on 10-year Bunds hovers around 3.1%. Higher discount rates directly depress the fair value of real estate, and Vonovia’s mid-year revaluation will reflect that pressure. At the end of the first quarter, the company reported a portfolio fair value of €84.7 billion and an EPRA net tangible asset value of €46.57 per share. With the current share price of €21.51, that implies a discount of more than 50% — a chasm that only a credible valuation or a sharp drop in yields can close.
Management has not been idle on the financing front. On June 23, Vonovia placed a €850 million zero-coupon convertible bond, up from an initially planned €750 million, signaling robust investor demand. The conversion price of €28.04 is well above the current market price, meaning dilution would only materialise if the shares rally significantly. The company has also tapped foreign-currency markets, issuing bonds in British pounds and Australian dollars to broaden its investor base. Still, around €1.6 billion of refinancing falls due in 2026, and higher rates will add directly to interest costs. Adjusted net profit attributable to shareholders fell 7.2% in the first quarter to €365.6 million, a first sign of the earnings drag.
The next ECB decision in July is already in focus. Markets assign a 37% probability of another 25-basis-point increase, while a pause is the base case. For Vonovia, another hike would come at the worst possible moment — immediately after the portfolio valuation and ahead of the half-year report. A significant downward revision to the €84.7 billion portfolio would push the loan-to-value ratio, currently 45.1%, higher, a metric that rating agencies and bond investors track closely.
Vonovia at a turning point? This analysis reveals what investors need to know now.
Deutsche Bank analysts recently upgraded the stock from “Hold” to “Buy” and lifted the price target from €25 to €26, arguing that operating momentum can bridge the valuation gap. But the share price has not co-operated: Vonovia is trading roughly 11% below its level at the start of the year and nearly 29% off the 52-week high of €30.13. The June 9 low of €19.53 is only about 10% below current levels, leaving little technical room for error.
The two near-term events — the portfolio appraisal at month-end and the half-year report expected in August — will determine whether the bull case of operational strength and market access outweighs the bearish trifecta of interest costs, dilution risk and valuation compression. Vonovia’s full-year adjusted EBITDA target of €2.95 billion to €3.05 billion will be the ultimate benchmark. Meeting it would be the strongest rebuttal to the market’s persistent scepticism about the book value of Germany’s biggest rental portfolio.
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