−20.7% under predicted

Jokipolku 25

00780 · TapaninvainioJokipolku 25 · Helsinki

Selling price
€264,000
€2,164/m²
Predicted
€333,102
€2,730/m²
Size
122 m²
4 rooms
Year
1977
Floor 1/2
Monthly fee
€300/mo
total housing co-op fee
Gross yield
rent ÷ asking

Price comparison

How this unit prices vs. the model and the surrounding 00780 market.

Asking is 20.7% below predicted
Asking price
€264,000
€2,164/m²
Predicted price
€333,102
€2,730/m²
Implied savings
−€69,102
vs. model estimate

Where this listing sits in the market

00780 · asking vs. predicted €/m²
Asking €2,164/m²
Predicted €2,730/m²
€1,828/m² €2,812/m² (postcode median) €4,077/m²

Recent quarterly €/m² trend · 00780

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Postcode median €/m² This listing's asking €/m²

Market context

How this listing compares to recent activity in 00780 TapaninvainioJokipolku 25 — actual sold prices, typical seller flexibility, and how long listings sit before they close.

Days on market
35 days
Median for 00780: 166 days (n=53). Fresh — seller likely firmer.
Typical negotiation in this postcode
-8.3%
Average sold-vs-asking gap across 20 matched sales in 00780. Implied close on this listing: €242,125.

Comparable realised sales · 00780

7 matched within ±30% size
Sold Size Asked Sold price €/m² vs ask
2025-12-17 88 m² €278,000 €260,000 €2,955 -6.5%
2025-11-26 145 m² €444,000 €430,000 €2,966 -3.2%
2025-11-26 108 m² €285,000 €265,000 €2,454 -7.0%
2025-09-20 114 m² €239,000 €185,000 €1,623 -22.6%
2025-08-20 126 m² €419,000 €406,000 €3,222 -3.1%
2025-08-05 110.5 m² €358,000 €342,500 €3,100 -4.3%
2025-05-16 88 m² €278,000 €291,000 €3,307 +4.7%

Matched against ARA realised-sale records within the same postcode and ±30% of this unit's size, sorted by sale date.

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
€333,102
€2,730/m²
Postcode reference
Median in 00780 TapaninvainioJokipolku 25: €2,812/m² · this unit asks €2,164/m²
Postcode median is one of 24 inputs (~12% of model importance) — not a baseline that adjustments are layered on.
Floor area
122.0 m²
Very high
Room count
4 rooms
Very high
Postcode
00780 · TapaninvainioJokipolku 25 (median €2,812/m²)
High
Condition
Satisfactory
High
Year built
1977
High
Pipe renovation
Completed 2023
High
Maintenance fee
€300/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.

Pipe renovation completed 2023

No imminent assessment expected; the cost is already absorbed into the asking price.

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
1977
Total floors
2
Elevator
No

Title

Land
Own plot
Pre-emption
No clause

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 €264,000
Transfer tax (1.5%) €3,960
Admin / drafting fee (est.) €380
Cash needed €268,340
Monthly running costs€/mo
Total housing-company fee €300
Implied annual €3,600
Realistic close estimate. Sales in 00780 settle 8.3% off ask on average (20 matched sales). At that rate, this listing closes near €242,125 (cash incl. tax + admin: €246,137).
Gross yield
rent ÷ asking
Implied annual rent
back-computed from yield
Implied monthly rent
annual ÷ 12

Mortgage estimate

Quick estimate of monthly principal + interest. Move the sliders for your situation.

20% · €
4.0%
25 years
Loan amount
debt-free price minus down payment
Monthly principal + interest
plus housing-company fee €— all-in
Total interest paid
over the full term

Illustrative only. Real offers depend on your credit, ECB / Euribor at draw-down, and the bank's margin.

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