realkredit.ai

Does it pay to refinance your mortgage?

Compare your current loan with a new loan after tax. We calculate the redemption, the new loan's costs and the net gain month by month.

You save about DKK 1,034 a month after tax in the first year.

You have earned back the costs after 10 months.

Payment before (first month)
DKK 12,321
Payment after (first month)
DKK 10,699
Difference per month after tax (year 1)
DKK 1,034
New principal
DKK 2,014,306
Change in outstanding debt
DKK 14,306
Totalkredit states that all private customers with a Totalkredit loan can get a KundeKroner discount of 0.25% of the outstanding debt per year until 31/12/2029. What happens after that has not been decided – we assume 0% from 2030.

What we have assumed

  • The redemption fee is set to DKK 1,250 (the highest we know).
  • The loan is repaid at a price of 100. This requires notice to a payment date, and you pay interest until that date – this is not included here.
  • Registration duty is calculated as if your old mortgage deed is for the outstanding debt. If it is for more, the duty will be lower.
  • Any bank fee for the refinancing is not included. Ask your bank.
  • Net gain = the difference in outstanding debt + what you have saved (or paid extra) after tax. The future market value of the debt is unknown and not included.

Net gain over time

AfterNet gainSaving after taxDebt beforeDebt after
1 yrsDKK 3,328DKK 12,411DKK 1,966,379DKK 1,975,462
3 yrsDKK 37,686DKK 36,561DKK 1,893,888DKK 1,892,763
5 yrsDKK 65,245DKK 54,358DKK 1,813,789DKK 1,802,902
10 yrsDKK 127,020DKK 94,918DKK 1,574,814DKK 1,542,712
Full term (28 yrs)DKK 259,660DKK 259,660DKK 0DKK 0
Net gain and outstanding debt month by month

Horizontal axis: years. Left axis: net gain. Right axis: outstanding debt.

Redemption of your current loan

MethodAt a price of 100
Price100
Price premium0 points
Market valueDKK 2,000,000
CommissionDKK 0
Redemption feeDKK 1,250
TotalDKK 2,001,250

The new loan at Totalkredit

Price lossDKK 0
Price deductionDKK 4,029
Settlement commissionDKK 3,021
Arrangement commissionDKK 0
Processing feeDKK 4,000
Registration dutyDKK 2,005
Redemption fee and bank feeDKK 1,250
Total (incl. price loss)DKK 14,305
Effective rate (calculated by us – not APR)4.83%

Source: price list (totalkredit.dk) · valid from 1 July 2026 · checked 8 October 2026

Source: fees · valid from 1 July 2026 · checked 8 October 2026

The rate is Danmarks Nationalbank's average for August 2026.

Year-by-year table
YearNet gainSaving after taxDebt beforeDebt after
1DKK 3,328DKK 12,411DKK 1,966,379DKK 1,975,462
2DKK 20,667DKK 24,601DKK 1,931,037DKK 1,934,971
3DKK 37,686DKK 36,561DKK 1,893,888DKK 1,892,763
4DKK 52,012DKK 45,940DKK 1,854,838DKK 1,848,765
5DKK 65,245DKK 54,358DKK 1,813,789DKK 1,802,902
6DKK 78,150DKK 62,602DKK 1,770,641DKK 1,755,094
7DKK 90,695DKK 70,668DKK 1,725,286DKK 1,705,259
8DKK 103,012DKK 78,713DKK 1,677,609DKK 1,653,310
9DKK 115,129DKK 86,794DKK 1,627,494DKK 1,599,159
10DKK 127,020DKK 94,918DKK 1,574,814DKK 1,542,712
11DKK 138,659DKK 103,090DKK 1,519,440DKK 1,483,871
12DKK 150,016DKK 111,320DKK 1,461,232DKK 1,422,535
13DKK 161,061DKK 119,614DKK 1,400,047DKK 1,358,599
14DKK 171,760DKK 127,981DKK 1,335,731DKK 1,291,951
15DKK 182,078DKK 136,432DKK 1,268,124DKK 1,222,478
16DKK 191,976DKK 144,975DKK 1,197,058DKK 1,150,058
17DKK 201,412DKK 153,623DKK 1,122,357DKK 1,074,568
18DKK 210,343DKK 162,386DKK 1,043,834DKK 995,877
19DKK 218,722DKK 171,278DKK 961,293DKK 913,849
20DKK 226,498DKK 180,311DKK 874,530DKK 828,343
21DKK 233,617DKK 189,501DKK 783,327DKK 739,211
22DKK 240,021DKK 198,862DKK 687,459DKK 646,300
23DKK 245,648DKK 208,412DKK 586,685DKK 549,450
24DKK 250,432DKK 218,168DKK 480,756DKK 448,492
25DKK 254,304DKK 228,150DKK 369,408DKK 343,254
26DKK 257,187DKK 238,378DKK 252,362DKK 233,553
27DKK 259,001DKK 248,873DKK 129,328DKK 119,201
28DKK 259,660DKK 259,660DKK 0DKK 0
See refinancing at all institutions

How we calculate

  • A fixed-rate loan is repaid at 100 when the price is above 100, otherwise by buying back bonds with a premium and commission.
  • The new loan must cover the redemption, and fees are added to the loan. Registration duty is only paid on the amount above the old mortgage.
  • Net gain = the difference in outstanding debt + the accumulated saving after tax.

Read the full method and all assumptions

Questions for your bank meeting

  • What does the refinancing cost in total, and when will I have earned it back after tax?
  • What is the total cost over 10 years including all fees – both the institution's and the bank's?
  • Which price is the offer based on, and what does a fixed-price agreement cost?
  • Which fees does the bank charge for arranging the loan?
  • Are there discounts – such as KundeKroner – and how long do they apply?
  • Can I move the loan to another institution later – and what does it cost?

realkredit.ai provides general information and calculations – not personal, legal or financial advice, and nothing here is legally binding. The figures are indicative and based on your own numbers and the prices we have verified. Always check your loan offer, and talk to your bank, an independent adviser or a lawyer before you decide.