Below are some useful links for various calculations
Acquisition costs
Calculate the costs for the purchase of a house and/or building land https://www.notaire.be/calcul-de-frais
Investment
Simulation of your real estate investment
Brutto income : ((rent * 12) / (sales act + notary fees, VAT, registration, etc))*100
Netto income : (( rent * 10) / (sales act + notary fees, VAT,registration, etc))*100
Indexation
Easily calculate the indexation of your rent.
https://statbel.fgov.be/fr/themes/prix-la-consommation/calculateur-de-loyer
If the energy certificate of your property corresponds to F or G, please use the following link.
Index figures
Discover the indexes of recent years.
https://statbel.fgov.be/nl/themas/consumptieprijsindex/gezondheidsindex