Anyone moving into a new apartment in Berlin already has enough on their plate: assembling furniture, registering their address, getting to know the neighbors. What many forget in the process—and what counts as the most important security measure on day one—is changing the front door lock upon moving in. Nobody knows how many key copies of the old apartment are still in circulation. A professional lock replacement by a locksmith service in Berlin immediately creates a clear situation.
Why the door lock should be changed upon moving in
Even if previous tenants have reliably returned all keys, duplicates can be made quickly and cheaply. Craftsmen, neighbors, or acquaintances of the previous tenants might still have access to your new apartment without your knowledge. In Berlin, where tenant turnover is particularly high in districts like Wedding, Mitte, or Pankow, this risk is statistically real.
A professional lock replacement usually takes 30 to 60 minutes. After that, only you and people you trust have access to your apartment – and that is exactly how it should be.
When a lock replacement is particularly urgent
There are some situations in which you should not hesitate for long:
When moving into a rented apartment – especially if the apartment has been vacant for a longer period of time or has had multiple previous tenants. We see this regularly in Reinickendorf and Wedding: apartment buildings with a high turnover rate where no one has an overview anymore of how many keys are in circulation.
After losing a key - anyone who loses their apartment key should have the lock replaced immediately. Always report the loss to the landlord as well.
After a break-in or attempted break-in – even if nothing was stolen: door locks can be damaged during a break-in attempt and then no longer provide reliable protection.
After a breakup – if one person moves out of the shared apartment, it is advisable to change the locks in order to clearly regulate future access.
How much does a lock replacement cost in Berlin?
The costs depend on the lock type, the brand, and the time of day. A high-quality profile cylinder with a security card costs between 40 and 120 euros at a specialized retailer – plus the labor time. With a reputable locksmith service in Berlin, you will receive the price before work begins, transparently and bindingly.
Important: Unfortunately, there are service providers in Berlin who charge excessive fees for emergency services. Make sure to look for clear fixed-price quotes and check reviews before hiring anyone. XK-Schlüsseldienst in Reinickendorf has stood for fair prices and transparency for years—as reflected in our more than 450 reviews with a ⭐ 5.0 rating.
What to look out for when replacing a lock
Choose a brand cylinder with DIN certificationCheap no-name locks often offer little real protection. Cylinders with a security card and drilling protection are recommended – a professional will advise you on-site regarding the right models for your door.
Measuring the cylinder correctlyAn excessively long cylinder protrudes on the outside and is a vulnerable point for burglars. A professional measures precisely before installation—this doesn't take extra time, but it prevents mistakes.
Have several keys copied right awayHave the required number of keys made directly when replacing the lock. This saves you a second appointment.
Your locksmith Berlin – 24/7 near you
XK-Schlüsseldienst is your local partner for Reinickendorf and all of Berlin—whether you need a lock replacement when moving in, a door opened, or locksmith services in Wedding, Spandau, or Pankow. We’re available 24 hours a day, 7 days a week, and will be on-site in no time.
You can find more about our services and prices at schluesseldienst-berlin-xk.de.