Apartment handovers
13 million professionally managed homes × 11% tenant turnover × 2 appointments.
Destatis 2024; turnover assumption supplied by Sascha (21 September 2026).
How the annual figures are calculated
The figures were confirmed by Sascha on 21 September 2026. They refer to 13 million professionally managed homes in Germany. They are internal calculations and rounded estimates, rather than four directly reported primary statistics. The sources below were supplied and were not independently recalculated during this design round.
Contractor work orders
13 million homes × 2.9 work orders per year, rounded to 38 million.
Internal property management statistics: 64,500 cases over 9 years, 2,500 units; supplementary comparison with Hemlane.
Damage costs
Insured building damage across Germany, scaled by floor area to the professionally managed portfolio (21.6%).
GDV statistics 2024 and Natural Hazards Report 2025; calculation supplied by Sascha (21 September 2026).
Landlords’ CO₂ costs
€76 in CO₂ costs per home × 13 million × 27% landlord share ≈ €266 million, rounded to €270 million (2025 prices).
Techem Atlas 2025; German Tenants’ Association, 23 January 2026; BEHG carbon price in 2025: €55/t.