Enter the basics. The engine anchors against sold comparables and fresh listings across Tenerife, applies hedonic adjustments for condition and view, and returns a fair value, a walk-away floor, and the reasoning. No login. No broker in the middle.
Sold comparables from the Registradores feed, plus fresh listings haircut to sold-equivalent. Filtered to ±30% m² of your subject, same region, same type, same bed count. Tiered fallbacks widen if the tight set is thin.
On top of the peer median €/m², priors for condition (reformed +7%, needs reform −12%), sea view (+3.5 to +10%), pool, finish tier, VV licence, beachfront proximity, and structural factors (detached, lift-on-high-floor).
A score from 10 to 90% reflecting effective peer count (Kish-weighted), peer dispersion, and feature coverage. Low confidence means "thin evidence — treat with care", not "we don't know".
hedonic-v1.3 — temporal weighting on sold comps (INE IPV lift + exponential decay on sold date), listings haircut of 5.5% to sold-equivalent, and a ±40% clamp on the combined hedonic factor so no stack of priors can drift the number to fantasy. Replaced by Model B (LightGBM on the Registradores training set) once enrichment coverage crosses the threshold.