4.5% below the model's estimate ● Listed

Karhutie 42 A

00800 · Länsi-Herttoniemi · Helsinki

Asking price
€197,000
€4,805/m²
Model estimate
€206,362
€164,566–€230,860
Size
41 m²
2 rooms
Year
1955
Floor 1/2
Monthly fee
€353/mo
total housing co-op fee · 28 Sep 2026
Gross yield
4.6%
vuokra-arvio · rent ÷ asking

Data updated 28 Sep 2026.

Price comparison

How the asking price compares with the price model's estimate and the price level of 00800.

Asking 4.5% below the estimate
Asking price
€197,000
€4,805/m²
Model estimate
€206,362
€5,033/m²
Gap to the model's estimate
−€9,362
asking price minus estimate

Asking price and the model's estimate

€164,566model's 80% range€230,860

The model expects 80% of flats like this to ask €164,566 to €230,860. 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: realised sales in 00800 closed on average 8.5% below the asking price (14 sales to the end of 2025).

The median asking price of listings for sale in 00800 is €5,000/m²; this flat asks €4,805/m².

Recent quarterly €/m² trend · 00800

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

Market context

How this listing compares with realised sales in 00800 Länsi-Herttoniemi (to the end of 2025) and with other listings for sale.

Days on market
58 days
Counted from when we first observed the listing, capped at our tracking window. Median for 00800: 58 days (n=21).
Sale price vs. asking in this postcode
−8.5%
Mean of 14 realised sales in 00800 to the end of 2025, the same figure the sales archive shows. At the same gap this listing would sell for about €180,340.

Comparable realised sales · 00800

8 newest sales between 29 and 57 m²
Sold by Size Asked Sold price €/m² vs ask
2025Q4 41.5 m² €167,000 €130,000 €3,133/m² −22.2%
2025Q4 35 m² €149,000 €135,000 €3,857/m² −9.4%
2025Q4 54 m² €269,000 €220,000 €4,074/m² −18.2%
2025Q3 35 m² €135,000 €106,000 €3,029/m² −21.5%
2025Q3 41 m² €198,000 €180,000 €4,390/m² −9.1%
2025Q3 46.2 m² €255,000 €240,000 €5,195/m² −5.9%
2025Q3 37 m² €195,000 €180,000 €4,865/m² −7.7%
2025Q3 56.5 m² €329,000 €303,500 €5,372/m² −7.8%

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
€206,362
€5,033/m²
Postcode reference
Median asking price in 00800 Länsi-Herttoniemi: €5,000/m² · this unit asks €4,805/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
41 m² · 2 rooms
44.0%
Location
00800 Länsi-Herttoniemi
29.9%
Amenities
Elevator: No · Sauna: No · Balcony: No
7.8%
Condition
Good
6.2%
Pipe renovation
Not reported
4.6%
Land
Leased plot
2.6%
Fees
€353/mo
1.9%
Year built
1955
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 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
1 / 2
Condition
Good
Energy class
—
Balcony
No
Sauna
No

Building

Year built
1955
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.

Selling price
€152,300
myyntihinta — paid to seller
+
Debt share
€44,700
lainaosuus — co-op loan
=
Debt-free price
€197,000
velaton hinta — true total cost
Cash at signing · assume the loan€
Selling price €152,300
Transfer tax (1.5%) · on debt-free €2,955
Admin / drafting fee (est.) €380
Cash needed €155,635

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 €197,000
Transfer tax (1.5%) €2,955
Admin / drafting fee (est.) €380
Cash needed €200,335

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

Likely sale price. In 00800, sales closed on average 8.5% below the asking price (14 sales to the end of 2025). At the same gap this listing would sell for about €180,340 (cash including transfer tax and fees: €183,426).
Estimated monthly rent
€763
€720–€893 · vuokra-arvio.fi
Gross yield
4.6%
estimated rent ÷ asking
Implied annual rent
€9,156
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.

← Back to Finder · 00800