3.4% below the model's estimate ● Listed

Oulunkyläntie 2

00600 · Koskela · Helsinki

Asking price
€399,000
€3,093/m²
Model estimate
€413,163
€387,141–€575,840
Size
129 m²
4 rooms
Year
1961
Floor 1/2
Monthly fee
€1,351/mo
total housing co-op fee · 28 Oct 2026
Gross yield
5.5%
vuokra-arvio · rent ÷ asking

Data updated 28 Oct 2026.

Price comparison

How the asking price compares with the price model's estimate and the price level of 00600.

Asking 3.4% below the estimate
Asking price
€399,000
€3,093/m²
Model estimate
€413,163
€3,203/m²
Gap to the model's estimate
−€14,163
asking price minus estimate

Asking price and the model's estimate

€387,141model's 80% range€575,840

The model expects 80% of flats like this to ask €387,141 to €575,840. The asking price is inside the range, so the gap to the estimate is within the model's ordinary error. The estimate is an asking price, not a sale price.

The median asking price of listings for sale in 00600 is €4,267/m²; this flat asks €3,093/m².

Recent quarterly €/m² trend · 00600

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

Market context

How this listing compares with realised sales in 00600 Koskela (to the end of 2025) and with other listings for sale.

Days on market
563 days
Counted from 23 Apr 2025, when we first saw this flat for sale. It has since been listed again once under a new listing number. Median for 00600: 48 days (n=18).
Sale price vs. asking in this postcode
—
Not enough matched sales for a reliable estimate.

Price changes for this flat

23 Apr 2025 €498,000 → €399,000 −19.9%

Highest debt-free ask since 23 Apr 2025, and the current one. The flat was listed again under a new listing number, so some of the cuts were made on earlier listings.

What the model considered

27 inputs · XGBoost · v2.5

The estimate comes from a tree model trained on the asking prices of Helsinki listings. It is not a postcode average plus adjustments; the model uses all inputs together. Below are the values the model received for this flat, and each input group's weight in the model.

Model estimate
€413,163
€3,203/m²
Postcode reference
Median asking price in 00600 Koskela: €4,267/m² · this unit asks €3,093/m²
The median asking price of the listings still online in this postcode, after each postcode’s outliers are trimmed back to its interquartile fence. It is a reference, not a model input: the model reads its own training encoding of the postcode, which is clamped and can differ.
Input group
This flat
Weight in the model
Size
129 m² · 4 rooms
44.0%
Location
00600 Koskela
29.9%
Amenities
Elevator: No · Sauna: No · Balcony: No
7.8%
Condition
Good
6.2%
Pipe renovation
Completed 2017
4.6%
Land
Leased plot
2.6%
Fees
€1,351/mo
1.9%
Year built
1961
1.7%
Floor
1 / 2
1.3%

Weight is the input group's share of the model's gain in training. It shows what the model generally relies on, not how much each value moved this flat's estimate.

Pipe renovation

A pipe renovation (linjasaneeraus) is the largest building-systems project a housing company undertakes, and its status often shows in the asking price.

Pipe renovation completed 2017

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
Good
Energy class
—
Balcony
No
Sauna
No

Building

Year built
1961
Total floors
2
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 €399,000
Transfer tax (1.5%) €5,985
Admin / drafting fee (est.) €380
Cash needed €405,365
Monthly running costs€/mo
Total housing-company fee €1,351
Implied annual €16,212
Estimated monthly rent
€1,839
€1,623–€2,952 · vuokra-arvio.fi
Gross yield
5.5%
estimated rent ÷ asking
Implied annual rent
€22,068
estimate × 12
Refine the rent estimate on vuokra-arvio.fi → Property-specific rent model, accounts for furnishing, amenities, and floor.

Mortgage estimate

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

20 % · —
—
25 years
Loan amount
—
debt-free price minus down payment
Monthly principal + interest
—
— a month with the housing-company fee
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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