How this unit prices vs. the model and the surrounding 00390 market.
Asking is 9.4% below predicted
Asking price
€365,000
€2,808/m²
Predicted price
€402,885
€3,099/m²
Implied savings
−€37,885
vs. model estimate
Where this listing sits in the market
00390 · asking vs. predicted €/m²
Asking €2,808/m²
Predicted €3,099/m²
€2,319/m²€3,568/m² (postcode median)€5,174/m²
Recent quarterly €/m² trend · 00390
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Postcode median €/m²This listing's asking €/m²
Market context
How this listing compares to recent activity in 00390 Konala — actual sold prices, typical seller flexibility, and how long listings sit before they close.
Days on market
356 days
Counted from when we first observed the listing, capped at our tracking window.
Median for 00390: 249 days (n=223).
Typical negotiation in this postcode
-8.2%
Average sold-vs-asking gap across 20 matched sales in 00390.
Implied close on this listing: €334,977.
What the model considered
24 features · gradient-boosted regression
Predictions come from a non-linear XGBoost ensemble trained on a rolling 365-day window of Helsinki listings — not a postcode median with per-feature adjustments. Below are the values the model received for this unit, with each feature group's typical training-set importance.
Predicted
€402,885
€3,099/m²
Postcode reference
Median in 00390 Konala: €3,568/m²
· this unit asks €2,808/m²
Postcode median is one of 24 inputs (~12% of model importance).
Floor area
130.0 m²
Very high
Room count
5 rooms
Very high
Postcode
00390 · Konala (median €3,568/m²)
High
Condition
Satisfactory
High
Year built
1957
High
Pipe renovation
Not reported
High
Monthly fee
€598/mo
High
Floor in building
1 / 2
High
Land ownership
Own plot
Moderate
Elevator
No
Moderate
Sauna
Yes
Moderate
Balcony
Yes
Moderate
Importance is the typical share of model gain attributed to each feature group across the training set. The actual contribution to this specific prediction would require running SHAP on the live model.
Pipe renovation
Linjasaneeraus is the largest building-system replacement a Helsinki housing company performs — typical cost €25–55k per unit and often shifts the asking price.
No pipe renovation reported
The listing doesn't mention a recent or planned renovation. Check the housing-company report (isännöitsijäntodistus) for confirmation.
Building & title
Quick reference for things that move the price beyond size and location.
Apartment
Floor
1 / 2
Condition
Satisfactory
Energy class
E
Balcony
Yes
Sauna
Yes
Building
Year built
1957
Total floors
2
Elevator
No
Title
Land
Own plot
Pre-emption
Not reported
Deal economics
What you actually pay, what a realistic close looks like, and what a buyer can expect to earn from rent.
Cash at signing
€
Selling price
€365,000
Transfer tax (1.5%)
€5,475
Admin / drafting fee (est.)
€380
Cash needed
€370,855
Monthly running costs
€/mo
Total housing-company fee
€598
Implied annual
€7,171
Realistic close estimate.
Sales in 00390 settle
8.2% off ask
on average (20 matched sales).
At that rate, this listing closes near
€334,977
(cash incl. tax + admin: €340,381).