Terminology

Short, plain-English definitions used in this app.

App Term UK German (DE) Meaning
Nebenkosten Service charges Nebenkosten Recurring operating costs passed through to tenants (e.g., heating, water, common electricity, cleaning, caretaker).
Maintenance Repairs and maintenance Unterhalt / Wartung Owner’s routine repairs and upkeep to keep the property functional (e.g., plumber, minor repairs, boiler service).
Reserve Fund Reserve / Sinking fund Erneuerungsfonds / Rücklage Monthly set‑aside for future major replacements (e.g., roof, boiler, windows).
Rent Income Rent Mieteinnahmen Monthly rent received from tenants (excluding once‑off fees and deposits).
Personal Housing Expense Personal rent Eigene Mietausgaben Your monthly rent outflow for properties you rent yourself (tenant‑mode).
Loan‑to‑Value (LTV) Loan‑to‑value (LTV) Beleihungsauslauf (LTV) Mortgage balance as a percentage of property value or purchase price.
Interest‑Only (IO) Interest‑only Nur Zinsen / Zinszahlungsdarlehen Monthly payment that covers interest only, with no principal reduction.
Obligation Pace Amortisation to target Amortisationspflicht bis Ziel‑LTV Fixed monthly principal amount to reach a target LTV within the specified years.
Lease Tenancy agreement / Lease Mietvertrag Agreement defining rent amount, start/end dates, and participants for a unit/property.
Tenant Tenant Mieter(in) Person who occupies the unit under a lease and pays rent.
Guarantor Guarantor Bürge / Bürgin Person who guarantees the tenant’s obligations but doesn’t occupy the unit.