Biedadviseur.nl
Karel Doormanlaan 378
Hilversum
Data-driven bidding advice based on actual transaction prices
20-10-2026
Bidding on a home is the largest financial decision most people ever make. Our goal: a well-founded bid that fits your situation.
A shame, but you did not overbid out of emotion. Someone else paid more than the house is worth.
You bought the home at a fair market price. And you did not overbid out of emotion.
To see which sources the model uses and who built it, read about our method.
We started Biedadviseur.nl for buyers who would rather not hire an expensive buying agent. You view the home yourself and you decide yourself. What we provide is the reasoning.
Kind regards,Niek and Dion
City: Hilversum
District & neighbourhood: Zuid | Zeeheldenkwartier
Asking price (per m²): € 350.000 (4.487)
Living area: 78 m²
Plot area: 78 m²
Volume: 250 m³
Year of construction: 1958
Property type: Galleried apartment
Number of floors: 2
Number of bedrooms: 3
Number of bathrooms: 1 bathroom and 1 separate toilet
Listed since: 2026-08-05
The WOZ value (official Dutch property valuation) for a given year is based on the reference date in the previous year. For 2025 the reference date is 1 January 2024, for 2026 it is 1 January 2025, and so on.
Boiler: Remeha (gas-fired combi boiler from 2019, owned)
Insulation: Mostly double glazed
Heating: CH boiler
Water heating: CH boiler
Heat pump: Unknown
Solar panels: Unknown
Karel Doormanlaan 378 is 37.6 kWh/m² away from energy label C.
Energy label recording date in the national EP database: 2026-07-28
3.3% above asking price
Which bid corresponds to which chance? These amounts follow from the same probability distribution as the graph above.
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 95% | 99% |
|---|---|---|---|---|---|---|---|---|---|---|
| €339.978 | €347.083 | €352.331 | €357.033 | €361.687 | €366.597 | €372.163 | €378.750 | €388.243 | €396.713 | €416.342 |
Want to improve your chances further? For €4.95 we write a personal bidding letter: built around the features of this property and rounded out with your own story, so you stand out to the seller.
Request your bidding letter for €4.95
This opens a WhatsApp conversation with us on +31 6 13975548.
Number of residents: 4290
Number of residents: 94393
Source: CBS (Statistics Netherlands), key figures for districts and neighbourhoods.
| Address | City | Asking price (per m²) | Sale price (per m²) | Vs. asking price | Sale date |
|---|---|---|---|---|---|
| Oosterengweg 75 | Hilversum | €335.000€5.000/m² | €342.500€5.112/m² | +2.2% | 12/05/2026 |
| Kolhornseweg 40 | Hilversum | €345.000€5.750/m² | €385.000€6.417/m² | +11.6% | 20/05/2026 |
| Eemnesserweg 1-28 | Hilversum | €350.000€5.224/m² | €350.000€5.224/m² | 0.0% | 26/05/2026 |
| Jacob van Campenlaan 145 | Hilversum | €317.500€5.474/m² | €317.500€5.474/m² | 0.0% | 05/06/2026 |
| Stroeslaan 133 | Hilversum | €375.000€5.282/m² | €390.000€5.493/m² | +4.0% | 28/05/2026 |
These are the sale prices of 5 comparable homes nearby that sold recently. They are officially registered sale prices, and they are what this report is built on. Our database contains many more homes that were included in the analysis. All addresses link to a funda page that was still active when this report was created. These links may stop working in the future.
You set out once where you want to live, drawn on the map, or by province, municipality, neighbourhood and street, and what your absolute minimum requirements are. From then on you get an e-mail every evening at 20:00 with every home that came available inside your search that day and meets them, each with its bidding advice report.
That includes homes that are not on Funda yet, and homes whose asking price has been reduced. So you also see the chances others miss.
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