−2.2% under predicted ● Offline

Ruonasalmentie 17 E 40

00830 · Helsinki

Selling price
€483,652
€5,827/m²
Predicted
€494,655
€5,960/m²
Size
83 m²
3 rooms
Year
2025
Floor —
Monthly fee
€1,498/mo
total housing co-op fee
Gross yield
rent ÷ asking

Price comparison

How this unit prices vs. the model and the surrounding 00830 market.

Asking is 2.2% below predicted
Asking price
€483,652
€5,827/m²
Predicted price
€494,655
€5,960/m²
Implied savings
−€11,003
vs. model estimate

Where this listing sits in the market

00830 · asking vs. predicted €/m²
Asking €5,827/m²
Predicted €5,960/m²
€2,626/m² €4,040/m² (postcode median) €5,858/m²

Recent quarterly €/m² trend · 00830

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

Market context

How this listing compares to recent activity in 00830 — actual sold prices, typical seller flexibility, and how long listings sit before they close.

Days on market
349 days
Median for 00830: 225 days (n=47). Stale — seller likely more flexible.
Typical negotiation in this postcode
-4.1%
Average sold-vs-asking gap across 2 matched sales in 00830. Implied close on this listing: €463,971.

Comparable realised sales · 00830

1 matched within ±30% size
Sold Size Asked Sold price €/m² vs ask
2026-02-09 100 m² €519,000 €485,000 €4,850 -6.6%

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
€494,655
€5,960/m²
Postcode reference
Median in 00830: €4,040/m² · this unit asks €5,827/m²
Postcode median is one of 24 inputs (~12% of model importance) — not a baseline that adjustments are layered on.
Floor area
83.0 m²
Very high
Room count
3 rooms
Very high
Postcode
00830 (median €4,040/m²)
High
Condition
Good
High
Year built
2025
High
Pipe renovation
Not reported
High
Maintenance fee
€1,498/mo
High
Floor in building
High
Land ownership
Leased plot
Moderate
Elevator
No
Moderate
Sauna
No
Moderate
Balcony
No
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 status not reported

We couldn't parse a clear status from the listing text. Verify with the seller.

Building & title

Quick reference for things that move the price beyond size and location.

Apartment

Floor
Condition
Good
Energy class
Balcony
No
Sauna
No

Building

Year built
2025
Total floors
?
Elevator
No

Title

Land
Leased 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.

Selling price
€193,461
myyntihinta — paid to seller
+
Debt share
€290,191
lainaosuus — co-op loan
=
Debt-free price
€483,652
velaton hinta — true total cost
Cash at signing · assume the loan
Selling price €193,461
Transfer tax (1.5%) · on debt-free €7,255
Admin / drafting fee (est.) €380
Cash needed €201,096

You take over the housing company's loan share and service it via the monthly capital fee (rahoitusvastike).

Cash at signing · pay off the loan
Debt-free price €483,652
Transfer tax (1.5%) €7,255
Admin / drafting fee (est.) €380
Cash needed €491,287

You pay the loan share upfront — the monthly capital fee disappears, only the maintenance fee remains.

Realistic close estimate. Sales in 00830 settle 4.1% off ask on average (2 matched sales). At that rate, this listing closes near €463,971 (cash incl. tax + admin: €471,311).
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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