To sell your house or apartment, you need all sorts of documents from the land register entry to various insurance policies. Your ImmoSky estate agent will, of course, help you to select and obtain the right paperwork.
You should keep these documents to hand for a quick sale:
Complete, up-to-date land register entry
Construction plans, floor plans
Property insurance paperwork (policy)
Household bills from the last two years
Official appraisal (if available)
List of investments made