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The rate you can't move, the spending you can

Asgeir Albretsen

Published 4 November 2025

Also available in Norwegian

After two rate cuts in 2025, the policy rate is back down to 4 percent, and most banks have followed suit. Even so, the floating mortgage rate sits around 5 percent for most households, and groceries at Coop still cost more than they did two years ago. You feel it on payday.

It is easy to think a budget is pointless once the numbers are what they are. The truth is the opposite. A budget will not change the rate, but it is the only tool that tells you what you can actually move.

What the rate really does to your mortgage

It is easier to say "high rates" than to look at what they cost in kroner. The table below shows the monthly payment on an annuity loan over 25 years, and the gap between 4 and 5 percent.

Mortgage4.0 % rate5.0 % rateDifference per month
2 000 000 kr10 600 kr11 700 kr+1 100 kr
3 000 000 kr15 800 kr17 500 kr+1 700 kr
4 000 000 kr21 100 kr23 400 kr+2 300 kr

Figures rounded, and before the 22 percent interest deduction you get back via Skatteetaten (the Norwegian Tax Administration). It is still a lot of money.

The point is not that the numbers are catastrophic. The point is that you now have a concrete figure to work with, and that is where the budget earns its keep.

Three numbers you actually control

You cannot legislate the policy rate or the electricity price out of your evening. What you can take a serious look at fairly quickly is these three:

  1. Fixed subscriptions. A typical list in a Norwegian household quickly hits 1 200 to 2 500 kr a month between streaming, gym, mobile and software. Half an hour of tidying often frees up 300 to 800 kr.
  2. Food and everyday purchases. Food and drink is the single biggest line in the SIFO-referansebudsjett (the Norwegian reference budget for typical household costs) for 2025. The gap between a calm month and a hectic one is almost always in extra trips to the shop and eating out, not the main shopping list.
  3. Variable saving. If you are putting 5 000 kr aside each month and only 2 000 of that is earmarked for a specific goal, a short pause on the remaining 3 000 can act as a buffer while the bills settle down.

Three numbers, not ten. That is the difference between a plan that actually gets done and one that lasts two weeks.

A sample budget that handles an expensive month

The table below is a template, not a verdict. Swap the figures for your own. It is built for a couple with two incomes, one child and a mortgage in the lower end of three million kroner.

ItemAmount (kr/month)
Total income after tax65 000
Mortgage (interest and repayment)17 500
Electricity and heating1 800
Insurance1 600
Food and groceries13 500
Transport3 500
Barnehage (Norwegian kindergarten) and child-related costs4 000
Subscriptions1 400
Variable spend and leisure8 000
Saving and buffer5 000
Total spent56 300
Available for adjustments or buffer8 700

8 700 kr of monthly slack might sound generous. In an expensive year it disappears fast, but that is exactly why you want to see it. When a bill comes in higher than expected, you know where the shock absorber sits.

What to do when the maths still does not add up

Sometimes small adjustments are not enough. These are the moves that pull most weight, listed in order of least effort first:

  • Ask the bank for a better rate, or get a competing offer. On a 3 million kr loan, 0.2 percentage points is around 350 kr less per month.
  • Check your electricity contract against your actual usage. A spot-price deal with a low markup is often cheaper than an old fixed-price contract (fastrente).
  • Extend the repayment period or ask for a short avdragsfrihet (a temporary instalment-free period on the principal). It is not free over time, but it is a very different thing from losing the overview.

For bigger questions about refinancing or debt problems, talk to your bank or to Forbrukerrådet (the Norwegian Consumer Council). This is not investment advice, only a nudge to use the tools that exist.

A concrete next step tonight

Set a time limit. Twenty minutes with the bank statement and a coffee goes further than you think. Drop your own figures into the table above and see where the adjustment pot lands.

If you use Luma, you can import the last three months of transactions and see where actual spending drifts from the plan. The headline problem in personal finance is rarely the rate. It is that we do not see what the money is actually doing.

Luma

Personlig økonomi, stille og tydelig. Laget i Oslo, brukt i Norge og UK.

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