−4.8% under predicted ● Offline

Punahilkantie 12 E

00820 · RoihuvuoriPunahilkantie 12 E · Helsinki

Selling price
€118,000
€3,869/m²
Predicted
€123,950
€4,064/m²
Size
30.5 m²
1 room
Year
1957
Floor 1/4
Monthly fee
€191/mo
total housing co-op fee
Gross yield
rent ÷ asking

Price comparison

How this unit prices vs. the model and the surrounding 00820 market.

Asking is 4.8% below predicted
Asking price
€118,000
€3,869/m²
Predicted price
€123,950
€4,064/m²
Implied savings
−€5,950
vs. model estimate

Where this listing sits in the market

00820 · asking vs. predicted €/m²
Asking €3,869/m²
Predicted €4,064/m²
€2,391/m² €3,679/m² (postcode median) €5,335/m²

Recent quarterly €/m² trend · 00820

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

Market context

How this listing compares to recent activity in 00820 RoihuvuoriPunahilkantie 12 E — actual sold prices, typical seller flexibility, and how long listings sit before they close.

Days on market
166 days
Median for 00820: 166 days (n=70).
Typical negotiation in this postcode
-6.0%
Average sold-vs-asking gap across 26 matched sales in 00820. Implied close on this listing: €110,972.

Comparable realised sales · 00820

4 matched within ±30% size
Sold Size Asked Sold price €/m² vs ask
2025-09-20 28.5 m² €149,000 €143,000 €5,018 -4.0%
2025-08-20 35 m² €157,000 €139,000 €3,971 -11.5%
2025-06-25 27 m² €120,000 €115,000 €4,259 -4.2%
2025-06-25 27 m² €132,500 €130,000 €4,815 -1.9%

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
€123,950
€4,064/m²
Postcode reference
Median in 00820 RoihuvuoriPunahilkantie 12 E: €3,679/m² · this unit asks €3,869/m²
Postcode median is one of 24 inputs (~12% of model importance) — not a baseline that adjustments are layered on.
Floor area
30.5 m²
Very high
Room count
1 room
Very high
Postcode
00820 · RoihuvuoriPunahilkantie 12 E (median €3,679/m²)
High
Condition
Satisfactory
High
Year built
1957
High
Pipe renovation
Completed 2020
High
Maintenance fee
€191/mo
High
Floor in building
1 / 4
High
Land ownership
Leased plot
Moderate
Elevator
No
Moderate
Sauna
Yes
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 completed 2020

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 / 4
Condition
Satisfactory
Energy class
E
Balcony
No
Sauna
Yes

Building

Year built
1957
Total floors
4
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.

Cash at signing
Selling price €118,000
Transfer tax (1.5%) €1,770
Admin / drafting fee (est.) €380
Cash needed €120,150
Monthly running costs€/mo
Total housing-company fee €191
Implied annual €2,293
Realistic close estimate. Sales in 00820 settle 6.0% off ask on average (26 matched sales). At that rate, this listing closes near €110,972 (cash incl. tax + admin: €113,017).
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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