17.7% below the model's estimate

Orioninkatu 8

00550 · Vallila - Hermanni · Helsinki

Asking price
€139,500
€4,681/m²
Model estimate
€169,583
€155,507–€200,783
Size
29.8 m²
1 room
Year
1957
Floor 1/4
Monthly fee
€292/mo
€216 maintenance + €76 capital
Gross yield
6.5%
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 00550.

Asking 17.7% below the estimate
Asking price
€139,500
€4,681/m²
Model estimate
€169,583
€5,691/m²
Gap to the model's estimate
−€30,083
asking price minus estimate

Asking price and the model's estimate

€155,507model's 80% range€200,783

The model expects 80% of flats like this to ask €155,507 to €200,783. The asking price is below that range, so it is low even after allowing for the model's error. The estimate is an asking price, not a sale price: realised sales in 00550 closed on average 6.5% below the asking price (25 sales to the end of 2025).

The median asking price of listings for sale in 00550 is €5,848/m²; this flat asks €4,681/m².

Recent quarterly €/m² trend · 00550

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

Market context

How this listing compares with realised sales in 00550 Vallila - Hermanni (to the end of 2025) and with other listings for sale.

Days on market
538 days
Counted from 12 May 2025, when we first saw this flat for sale. It has since been listed again 3 times under new listing numbers. Median for 00550: 66 days (n=48).
Sale price vs. asking in this postcode
−6.5%
Mean of 25 realised sales in 00550 to the end of 2025, the same figure the sales archive shows. At the same gap this listing would sell for about €130,385.

Price changes for this flat

12 May 2025 €169,959 → €140,930 −17.1%

Highest debt-free ask since 12 May 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.

Comparable realised sales · 00550

8 newest sales between 21 and 42 m²
Sold by Size Asked Sold price €/m² vs ask
2025Q4 24 m² €128,000 €108,000 €4,500/m² −15.6%
2025Q4 37 m² €229,000 €193,000 €5,216/m² −15.7%
2025Q4 40 m² €264,000 €246,000 €6,150/m² −6.8%
2025Q4 41.5 m² €239,000 €225,000 €5,422/m² −5.9%
2025Q4 26 m² €179,000 €155,000 €5,962/m² −13.4%
2025Q4 33 m² €179,000 €158,000 €4,788/m² −11.7%
2025Q3 29 m² €179,000 €160,000 €5,517/m² −10.6%
2025Q3 40 m² €259,000 €252,000 €6,300/m² −2.7%

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
€169,583
€5,691/m²
Postcode reference
Median asking price in 00550 Vallila - Hermanni: €5,848/m² · this unit asks €4,681/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
29.8 m² · 1 room
44.0%
Location
00550 Vallila - Hermanni
29.9%
Amenities
Elevator: No · Sauna: No · Balcony: No
7.8%
Condition
Good
6.2%
Pipe renovation
Completed 2008
4.6%
Land
Leased plot
2.6%
Fees
€292/mo
1.9%
Year built
1957
1.7%
Floor
1 / 4
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 2008

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
Good
Energy class
F
Balcony
No
Sauna
No

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.

Selling price
€138,070
myyntihinta — paid to seller
+
Debt share
€1,430
lainaosuus — co-op loan
=
Debt-free price
€139,500
velaton hinta — true total cost
Cash at signing · assume the loan€
Selling price €138,070
Transfer tax (1.5%) · on debt-free €2,092
Admin / drafting fee (est.) €380
Cash needed €140,542

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 €139,500
Transfer tax (1.5%) €2,092
Admin / drafting fee (est.) €380
Cash needed €141,972

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

Likely sale price. In 00550, sales closed on average 6.5% below the asking price (25 sales to the end of 2025). At the same gap this listing would sell for about €130,385 (cash including transfer tax and fees: €132,720).
Estimated monthly rent
€750
€709–€848 · vuokra-arvio.fi
Gross yield
6.5%
estimated rent ÷ asking
Implied annual rent
€9,000
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 · 00550