AfAMax provides free, non-binding calculations for German residential real estate. Estimate building depreciation (AfA), remaining useful life, annual and monthly depreciation, indicative tax effects, or allocate a purchase price between land and building using the German BMF methodology. Inputs are validated, tools are read-only and idempotent, and results include assumptions, limitations, attribution, and a disclaimer. Operated by Rundum Immo UG in Heidelberg, Germany. For informational planning only; not a substitute for tax, legal, or professional appraisal advice.
How to use
- 1Add it in ChatGPT
Open AfAMax Property Calculations in ChatGPT's Plugin directory (button above), select + to add it and sign in if asked.
- 2Use it in a chat
Type @ in the composer and pick AfAMax Property Calculations, or start your message with its name. ChatGPT may also suggest it when it fits what you ask.
Disconnect
- 1Disconnect it in ChatGPT
Open Settings, then Apps or Plugins (the label depends on your rollout), select AfAMax Property Calculations and choose Disconnect. ChatGPT stops acting through your account; past conversations aren't deleted.