Want to use Conny.de but stay in the same flat. Any experiences?

I've had friends who used Conny while staying in their Neukölln flat. The landlord company didn't make it pleasant, but they couldn't do much since the rent was clearly over the Mietspiegel. One thing to watch for is that some landlords will try to claim the flat needs major renovations after you win, then try to renoviction you. Make sure your contract isn't befristet and you should be fine legally. The tension is real though, expect them to be slow with any repairs after that.

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yeah so the thing with conny is they basically put ur landlord on notice that you're disputing the rent, which legally they can do but it does create tension. i've seen it go both ways with the big verwaltungen like deutsche wohnen or vonovia - sometimes they just cave and adjust, other times they drag it out and try to make things awkward at renewal time

if you really love the flat and don't want to move, maybe worth considering just doing the mietpreisbremse check yourself first. there are free berlin-specific checklists online (berliner mietspiegel 2023 is public). if you're clearly over the ortsübliche vergleichsmiete, then conny might be fine since you have a solid case

but if you're on staffelmiete that's already locked in, the savings might not be huge unless the base rent itself was illegal from the start. just something to factor in before you start the process

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yeah it's doable but prepare for the landlord to be cold about it. i used conny with a private landlord in prenzlauer berg and they didn't try to evict me but they basically stopped doing any repairs for like 6 months after the case closed. got about 200 euro back though so worth it for me. just know the relationship will shift from friendly to strictly business if you go through with it

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Worth noting that Berlin street names have official umlaut and ß rules that trip people up, so a sign showing "Strasse" versus "Straße" is not actually a spelling error, just an older transcription. Same with "ue" versus "ü" (e.g. "Kantstrasse" vs "Kantstraße"), both are considered valid renderings and you'll see the ß version on the blue Schilder and the ss version on older plaques or in databases that predate Unicode. If the difference you're seeing is between those two forms, there's nothing to fix and both are technically correct.

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if the signs u mean are the old enamel ones on the house facades those are often protected as Baudenkmal so nobody's allowed to correct them even if the spelling is outdated. the binding version is whatever is in the Berliner Strassenverzeichnis plus the entry in the Liegenschaftskataster, so if u tell me the street i can point u to the right Bezirksamt Mitte or Charlottenburg-Wilmersdorf page. tbh the merged district thing is real but the facade signs are a separate story, theyre basically museum pieces at this point

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honestly thats super common in Charlottenburg, the district offices were merged from older Bezirke and nobody ever fixed all the Schilder. if its a real street you can check the official strassenverzeichnis on berlin.de, that list is what the Burgeramt actually goes by. which street is it? some of the Kaiserdamm / Kantstrasse signs are notorious for this.

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