Direct answer: Replacing a door lock or Euro cylinder in Poznan costs a flat 84 PLN for labor at CleanWhale (minimum handyman booking is 200 PLN, so you can combine multiple locks, handles, or home repairs in one visit). Same-day or next-day slots and 23% VAT invoices are available online.
Professional Door Lock & Cylinder Replacement
Our vetted handyman removes the old cylinder or mortise lock, installs and aligns the new mechanism on front, bedroom, or security doors, and tests smooth key operation before finishing.