Germany’s Left Party (Die Linke) is stepping up its fight against exploitative rents with a new nationwide campaign aimed at helping tenants reclaim overpaid rent and expose illegal charges.
The Left Party’s leadership has declared a “rent emergency”, insisting that only sustained public pressure and collective action can force meaningful change and stricter enforcement of rent controls. Building on the momentum of its popular rent gouging app, which has reportedly helped thousands of Berlin residents identify and contest excessive rents, Die Linke is now seeking to mobilise renters across the country.
The campaign, called “Secure housing instead of rent rip-offs,” is designed to put pressure on both landlords and the federal government, which the party accuses of failing to protect tenants from soaring housing costs.
READ ALSO: Almost all rents in Berlin found to be illegally high
To kick off the campaign, the Left Party has organised more than 80 tenant meetings across Germany, many of which are scheduled for Thursday this week.
These gatherings are designed to bring renters together, generate ideas for further action, and build local networks of support. Anyone interested in joining can find their nearest meeting and more information here.
Two apps and rent exploitation sheriffs
At the same time, the party is expanding its rent gouging app across Germany.
Designed to enable tenants to check if their rent exceeds the legal limit by entering basic details about their flat, the app is now available in selected cities across the country.
If the app finds that the rent is more than 20 percent above the local average price (Mietspiegel), tenants can report the case directly to their local housing office for investigation.
Die Linke also offers a free “heating cost check.”
Many tenants are reportedly unaware that if their building lacks a central heat meter, they may be entitled to a 15 percent refund on their heating and hot water costs. To run a check, tenants can upload their annual utility bill to this app, where experts will review it and help with reclaiming any overpayments.
In addition, the Left Party is calling for the creation of Mietwuchersheriffs (rent exploitation sheriffs) in every municipality in Germany, who would be responsible for investigating complaints from tenants about illegal rents.
According to the proposal, these “sheriffs” would have the authority to impose and enforce fines on landlords found to be breaking the law.
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Why is the Left party launching a nationwide campaign?
Die Linke’s decision to launch a nationwide campaign is rooted in alarming findings from its rent gouging app and recent rent reports – as well as its failure to secure enough support in the Bundestag in November this year to pass stricter rent control legislation.
In Berlin alone, the app has been used over 200,000 times, according to the party. According to the party, two-thirds of the rents checked were at least 20 percent above the local average rent, and therefore illegal.
Across Germany, the situation is similarly dire: around six million tenants are considered extremely overburdened (spending more than 40 percent of their disposable income on rent) and over twelve million people fear they may soon be unable to afford their homes, according to information from the German Tenants' Association.
Exploitative rent law rejected
This November Left Party lawmakers attempted to introduce a law known as the Mietwuchergesetz (exploitative rent law) aimed at making it easier to enforce fines against landlords who charge excessive rents. The law proposed weakening the current requirement to prove that landlords were deliberately exploiting housing shortages when setting rents, and raising potential fines for exploitative landlords from €50,000 to €100,000.
READ ALSO: 'Completely new' - What the first fine for excessive rent in Berlin means for tenants
Although the bill was introduced by Die Linke, the original proposal came from the Bavarian State Chancellery, led by the CSU party.
The Left party essentially brought this proposal to the Bundestag, aiming for nationwide application. But when the law was voted on in the Bundestag, it was rejected decisively. The vote count was 131 in favour and 440 against, with backing coming only from the Left and Green Parties.
The governing black-red coalition government, made up of the conservative Christian Union parties (CDU/CSU) and the centre-left Social Democrats (SPD), justified its refusal to back the bill by claiming that it preferred to wait for the advice of an expert working group on rental law.
That group is due to report on its findings at the end of 2026.
In response, Die Linke is stepping up its campaign, insisting that only sustained public pressure and collective action can force meaningful change and stricter enforcement of rent controls.
At the same time, the party accuses the federal government of protecting landlords and real estate bosses rather than standing up for renters.
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