2.1% below the model's estimate

Insinöörinkatu 14

00880 · Keski-Herttoniemi - Roihupelto · Helsinki

Asking price
€398,000
€5,727/m²
Model estimate
€406,600
€5,850/m²
Size
69.5 m²
3 rooms
Year
2022
Floor 5/8
Monthly fee
€348/mo
total housing co-op fee
Gross yield
3.3%
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 00880.

Asking 2.1% below the estimate
Asking price
€398,000
€5,727/m²
Model estimate
€406,600
€5,850/m²
Gap to the model's estimate
−€8,600
asking price minus estimate

Asking price and the model's estimate

The model's average error on new listings is ±10.5%. This listing's gap to the estimate is smaller than that, so it is ordinary model error. The estimate is an asking price, not a sale price.

The median asking price of listings for sale in 00880 is €5,740/m²; this flat asks €5,727/m².

Recent quarterly €/m² trend · 00880

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

Market context

How this listing compares with realised sales in 00880 Keski-Herttoniemi - Roihupelto (to the end of 2025) and with other listings for sale.

Days on market
0 days
Counted from when we first observed the listing, capped at our tracking window. Median for 00880: 151 days (n=8).
Sale price vs. asking in this postcode
—
Not enough matched sales for a reliable estimate.

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
€406,600
€5,850/m²
Postcode reference
Median asking price in 00880 Keski-Herttoniemi - Roihupelto: €5,740/m² · this unit asks €5,727/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
69.5 m² · 3 rooms
44.0%
Location
00880 Keski-Herttoniemi - Roihupelto
29.9%
Amenities
Elevator: Yes · Sauna: Yes · Balcony: Yes
7.8%
Condition
Good
6.2%
Pipe renovation
Not reported
4.6%
Land
Own plot
2.6%
Fees
€348/mo
1.9%
Year built
2022
1.7%
Floor
5 / 8
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.

No pipe renovation reported

The listing doesn't mention a recent or planned renovation. Check the housing-company report (isännöitsijäntodistus) for confirmation.

Building & title

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

Apartment

Floor
5 / 8
Condition
Good
Energy class
A
Balcony
Yes
Sauna
Yes

Building

Year built
2022
Total floors
8
Elevator
Yes

Title

Land
Own 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 €398,000
Transfer tax (1.5%) €5,970
Admin / drafting fee (est.) €380
Cash needed €404,350
Monthly running costs€/mo
Total housing-company fee €348
Implied annual €4,170
Estimated monthly rent
€1,096
€937–€1,291 · vuokra-arvio.fi
Gross yield
3.3%
estimated rent ÷ asking
Implied annual rent
€13,152
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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