Heimer
Buy a house with someone on your side

Buy a house with someone on your side

The app that helps you understand the home and its surroundings, from first listing to moving in.

Common faults in similar houses

Damp, a roof near the end of its life, old wiring. We know what's typical for the house's age and what it can cost to fix.

What we found

  • Roof Past its lifespan
  • Windows No data, ask
  • Drainage Nearing end
  • Facade Nothing urgent

What it costs to own

See the monthly cost in one place. In the app, adjust the interest rate and your circumstances to see how your buffer changes.

Monthly cost →
What it costs to own

19 600 kr/mo

Mortgage 13 100 kr/mo
Running 3 900 kr/mo
Upkeep 2 600 kr/mo

At 6% rate: 22 800 kr/mo

Get to know the area

See what is nearby and how everyday life could work. Explore the surroundings and find out what to check in person.

Explore areas →

Nørrebro, København

  • Public transport
  • Grocery shops
  • Schools and childcare

Go into bidding with a plan.

See what different bids mean for your monthly cost and set a limit that fits your finances.

Brønshøj, København

Monthly cost

19 600 kr/month

MortgageRunningUpkeep
Your chosen bid limit 4 495 000 kr

Follow up unanswered questions before bidding.

Compare what sets them apart

Put two homes side by side: monthly cost, commute and condition.

Birkevej 8

Fyrrestien 3

Monthly cost
19 600 kr/month17 900 kr/month
Commute
23 min38 min
Energy class
CE

A reading list for the condition report

What's worth a closer look in this particular house, so you understand the red and yellow marks before you sign.

Know what to do next.

Keep track of what remains, from viewing to signing and handover. If you need to sell first, your sale fits into the same plan.

  1. Prepare to buy

    Bring together your budget and what you are looking for.

  2. Go to the viewing

    Save questions and observations for each home.

  3. Plan your bids

    Choose your limit and follow up what you need to know.

  4. Before signing

    Get help understanding what to check before you sign.

  5. Before handover

    Keep track of what remains before you get the keys.

Start with one home.

Analyse a home

Numbers you can trust

We keep track of what needs checking and fixing, so you don’t have to hold it all in your head.

  • Every number can be adjusted, and you see what it builds on.
  • When a figure is missing we say so, rather than guess.
  • Amounts, rules and thresholds are checked against official sources.

600+

areas with price data

2026

loan and tax rules

See what the house costs to own before you bid

See a finished analysis, or start with a home you're looking at.

Read on

Condition report, electrical report and hidden defects: how to see what is wrong with the house The condition report (tilstandsrapport) and the electrical installation report (elinstallationsrapport) show the house's defects, and together with an offer of change-of-ownership insurance (ejerskifteforsikring) they release the seller from the 10-year liability for hidden defects. Read the colour scale red/yellow/grey/black, the electrical report's icons and what the insurance actually covers, before you bid. What does it cost to own a home? Owner expenses, energy label and radon The real monthly cost of owning a home is more than the loan. Owner expenses (ejerudgifter) (land tax, property value tax, insurance, association), heating cost driven by the energy label (energimærke), and radon below 100 Bq/m³ decide what the home costs you every month. Here are the numbers. Registration duty and purchase costs 2026: what the deal costs on top of the price On top of the purchase price you typically pay 25,000-50,000+ kr in purchase costs. Registering the deed (skoede) costs 1.850 kr + 0,6 %, the mortgage charge (pant) 1.825 kr + 1,25 % (cut from 1,45 % as of 1 Jan 2026), and a property lawyer 4.450-10.000 kr. The estate agent is paid by the seller. Here is the whole calculation, so you know exactly what to have ready in the account before you bid. Can I afford it? Mortgage bond loans, down payment and debt-to-income ratio explained How to work out how much you can borrow for a home in Denmark: a mortgage bond loan (realkreditlån) up to 80 percent, at least a 5 percent down payment (udbetaling), a debt-to-income ratio (gældsfaktor) below 4, and an interest-rate stress test of plus 1 percentage point with a floor of 4 percent. Get an overview of fixed versus variable rates, interest-only periods and the administration margin. Monthly cost · Calculate What a home in Denmark costs per month: interest, amortisation and owner expenses or the co-op charge, stress-tested.

Common questions

What does Heimer cost?

Your first analysis is free. After that, Premium is 249 kr a month for unlimited analyses.

Which sites work?

A link from Boligsiden, Boliga or most agent sites works fine.

Do you replace a condition report?

No. We get you ready to read it. You'll know what's worth a closer look, so the report and the viewing are worth more.

How do you know what might be wrong?

We start from the build year and what's known about homes from that time. We never claim a fault exists, we show what's worth checking.

Looking for a different property type? Apartment

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