Inflation is an invisible tax. Nobody takes money from you, but the money you have is worth less tomorrow than today. Over 25 years, this cumulative effect becomes massive.
Chart
Comparative change 2000-2025
Base 100 = 2000. Existing-home price index (INSEE) vs cumulative inflation (harmonised CPI) vs Livret A savings account.
+115%
Property prices 2000-2025
INSEE
+52%
Cumulative inflation 2000-2025
HICP
+68%
Livret A with compound interest 2000-2025
Net of inflation: only +11%
× 1.42
Purchasing power of property
vs Livret A over the period
Beyond the appreciation of the property itself, RENTS are indexed to the IRL (Indice de Référence des Loyers, the French rent reference index), which is itself correlated with inflation. Your rental income therefore rises in step with prices. It is a double protection.

