Nedbetalingstiden er ikke såpass lang at boliglånet blir dyrt.

Because Norwegian normally writes compound nouns as a single word.

nedbetalingstiden = nedbetaling + tid + -en

• nedbetaling = repayment / paying down
• tid = time / period
• -en = the definite ending

So nedbetalingstiden means the repayment period or the payback period.

This is very common in Norwegian. Where English often uses several words, Norwegian often joins them into one compound.

It marks the noun as definite: the repayment period rather than just a repayment period.

The basic noun is nedbetalingstid.
With the definite ending, it becomes nedbetalingstiden.

This is a normal pattern in Norwegian:

• bil = car

• bilen = the car

• tid = time / period
• tiden = the time / the period

såpass means something like so, that, to that extent, or that much, depending on context.

In this sentence, ikke såpass lang at ... means:

• not so long that ...
• not long enough to the point that ...

So såpass strengthens the degree idea. It points to a specific threshold: the repayment period is not of such a length that the home loan becomes expensive.

Yes. You could say:

Nedbetalingstiden er ikke så lang at boliglånet blir dyrt.

That is very natural too.

The version with såpass can sound a bit more explicit or emphatic, as if you are talking about a degree or threshold more clearly. In many contexts, both are possible, but såpass adds a slight nuance of that much / to that extent.

This is a degree construction. The basic pattern is:

ikke så/såpass + adjective + at + clause

It means:

not so ... that ...

So here:

• ikke = not
• såpass lang = so long / that long / long to that extent
• at boliglånet blir dyrt = that the home loan becomes expensive

Together: The repayment period is not so long that the home loan becomes expensive.

Because ikke is negating the degree expression.

The idea is not simply the repayment period is not long.
The more precise meaning is:

it is not so long that this consequence happens

So ikke comes before the degree phrase såpass lang to negate the whole idea of being so long that...

Compare the logic:

• Den er lang. = It is long.
• Den er ikke lang. = It is not long.
• Den er ikke så lang at ... = It is not so long that ...

Here at means that and introduces the result clause:

at boliglånet blir dyrt

This clause explains the consequence that would follow if the repayment period were long enough.

So the structure is:

• Nedbetalingstiden er ikke såpass lang
• at boliglånet blir dyrt

Literally: The repayment period is not so long that the home loan becomes expensive.

Because after at, Norwegian uses normal subordinate-clause word order.

In a main clause, Norwegian often has verb-second order:

• Boliglånet blir dyrt. = The home loan becomes expensive.

After a subordinating conjunction like at, the clause is subordinate, so it does not follow main-clause V2 rules in the same way. The order here is the standard subordinate order:

• at boliglånet blir dyrt

If there were an adverb like ikke, it would typically come before the verb in the subordinate clause:

• at boliglånet ikke blir dyrt

blir means becomes. That suggests a result or development.

So boliglånet blir dyrt means: the home loan becomes expensive

This fits the meaning well: if the repayment period were too long, the loan would end up costing more.

If you said er dyrt, that would mean is expensive, which is also possible in some contexts, but blir dyrt emphasizes the consequence of the repayment period.

Because boliglånet is a neuter noun.

The noun is:

• et boliglån = a home loan

Predicative adjectives agree with the noun, so:

• et lån er dyrt = a loan is expensive

That is why the sentence has dyrt.

Compare:

• en bil er dyr = a car is expensive
• et lån er dyrt = a loan is expensive

It is the definite form of boliglån, which means home loan or mortgage.

Breakdown:

• bolig = home / dwelling
• lån = loan
• boliglån = home loan / mortgage
• boliglånet = the home loan / the mortgage

Again, Norwegian uses compounds very freely, so boliglån is one word.

They are close, and in many contexts both can refer to a repayment period, but there can be a nuance:

• nedbetalingstid often suggests the period over which a debt is gradually paid down
• tilbakebetalingstid can sound a bit more like the time for paying something back

In finance, nedbetalingstid is very natural for loans being paid off over time.

Yes. Even if the meaning is already known, it helps to see how the Norwegian structure maps to English. Natural English versions include:

• The repayment period is not so long that the mortgage becomes expensive.
• The repayment period is not long enough to make the mortgage expensive.
• The payback period is not so long that the home loan becomes costly.

The Norwegian sentence is quite literal in structure, but English may prefer slightly different phrasing depending on context.

It sounds fairly neutral and fits well in financial or informative language.

Words like nedbetalingstid and boliglån are common in banking, housing, and personal-finance contexts.
såpass can appear in both speech and writing, though in some settings så might sound slightly plainer.

So overall, the sentence sounds natural and standard, especially in a discussion of loans or mortgage terms.