HuisKoopWijzer is a free, privacy-first toolkit for the Dutch housing market. Unlike bank calculators, it sells no data and hides no costs.
Key features:
• Complete buyer’s costs (kosten koper) estimator (transfer tax, notary fees)
• Hyper-local data & overbidding trends for 65+ Dutch cities
• Rent vs. Buy & extra repayment calculators
• Built-in AI assistant for Dutch housing laws
• Zero account needed; all calculations run client-side.
