How We Price Properties: Hedonic Regression in Spanish Real Estate

By Henrik Kolstad, Founder

Hedonic Regression: The Engine Behind Our Pricing Model

Every property in the Avena Terminal database carries a market price estimate. The model achieves an R-squared of 0.87, meaning it explains 87% of the variance in property prices.

Key Findings

  • Location explains approximately 45% of total price variance
  • Each additional m2 adds EUR 1,800-2,400 to value
  • Each kilometre closer to the coast adds 4-6% to value
  • Private pool premium: EUR 35,000-50,000
  • A rating energy premium: 5-8%

How We Calculate Discounts

Discount = (Model Estimated Price - Asking Price) / Model Estimated Price x 100. A 19% average discount across the dataset means new builds are priced 19% below model predictions.

Technical methodology note: weighted least squares with robust standard errors, clustered by town.

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