Is a mortgage with interest haram?

Why the scholars prohibit it

The reasoning rests on a principle the scholars state in almost identical words: every loan that brings a benefit to the lender is riba. A bank mortgage is exactly that — the bank advances the price of the house and takes back more than it advanced, and the excess is the interest.

"Every loan that brings a benefit is riba."— Ibn Abd al-Barr, quoted in IslamWeb fatwa 16503

IslamWeb (fatwa 40899) adds that it makes no difference whether the increase is large or small: calling it "interest" or "a service charge" does not change what it is, because "there is no benefit in riba, only the curse and war from Allah." The Qur'an is explicit on the gravity:

"O you who have believed, fear Allah and give up what remains of interest, if you are indeed believers. And if you do not, then be informed of a war from Allah and His Messenger."— Qur'an 2:278–279

The Prophet ﷺ extended the prohibition beyond the borrower to everyone who participates in the transaction:

"The Messenger of Allah ﷺ cursed the one who consumes riba, the one who pays it, the one who writes it down, and the two who witness it, and he said: they are all the same."— Sahih Muslim 1598, from Jabir ibn Abdullah

That last point matters practically: IslamWeb (fatwa 504604) rules that even a seller who merely attends the interest-based contract and helps complete it is assisting in sin, citing the verse

"do not cooperate in sin and transgression" (Qur'an 5:2)

Al-Nawawi, commenting on the hadith, draws the general principle from it: the prohibition of assisting in falsehood.

What is not a mortgage

The scholars distinguish sharply between an interest-bearing loan and a genuine sale. If the bank owns the house — or buys it for itself first — and then sells it to you at a higher price, payable in instalments, that is a murabaha (a sale at a declared profit) or an instalment sale, and IslamWeb (fatwa 141089) states there is no harm in it, provided the price and the instalment terms are agreed. The difference is not the extra money; it is what the extra money is for. In a sale, the increase is the price of goods. In a mortgage, the increase is the price of money.

IslamWeb (fatwa 57562) is blunt that this distinction is often blurred in practice: interest-based banks do not in reality sell houses on deferred instalments — they lend money and take a charge over the property as security. That combination of an interest-bearing loan with a mortgage is two contracts joined, one forbidden and one permitted, and joining them makes the whole transaction impermissible.

When necessity applies

The scholars do allow riba in a genuine darurah (necessity), but they define it narrowly, and a house does not meet it.

• The threshold is life-threatening: IslamWeb (fatwa 141089) defines necessity as reaching a point where, if the person does not take the unlawful, he dies or comes close to dying — a state of danger or severe hardship involving harm to life, limb, honour, reason or wealth.
• Having somewhere to live removes the necessity: whoever has a dwelling, even by renting, is not compelled to take riba in order to own one. IslamWeb (fatwa 103466) puts it plainly: if a person can find housing by ownership, gift, loan or lawful rent, he may not turn from the permitted to the forbidden.
• Wanting to marry or build is not necessity: IslamWeb (fatwa 21981) states directly that the need to marry or to build a house is not a necessity that permits dealing in the unlawful.

The interest-free alternative

The permissible route is a financing arrangement built on sale rather than loan. IslamWeb (fatwa 141089) and (fatwa 57562) both describe it: the bank takes ownership of the property, then sells it to the buyer at a profit, with the price paid in instalments. IslamWeb (fatwa 37612) adds that a mortgage over a property is itself permissible when it secures a lawful transaction — the prohibition attaches to the riba, not to the security.

One caution from IslamWeb (fatwa 145985): some arrangements labelled murabaha are structured so that the buyer pays the seller directly and then sells a share to the bank, which sells it back at a profit. That structure reintroduces riba, either as a sale of money for money or as a loan with a stipulated benefit. The paperwork must reflect a real sale, not a loan in disguise.

Key takeaways

• An interest-bearing mortgage is riba and is haram, regardless of whether the rate is high or low, and regardless of whether the purpose is a home.
• The prohibition covers everyone involved — the borrower, the bank, the writer and the witnesses — so a seller who facilitates the contract shares in it.
• A genuine murabaha is permitted: the bank owns the property and sells it to you at a profit, with the price and instalments agreed in advance.
• Needing a house is not necessity in the technical sense; necessity means you would otherwise perish, and having any lawful housing — including rented — removes it.
• Check the structure, not the label: if the bank is lending money and charging for the loan, the name "murabaha" does not make it lawful.

Further reading

• IslamWeb fatwa 141089, on real-estate financing through banks
• IslamWeb fatwa 57562, on the combination of an interest-bearing loan with a mortgage
• IslamWeb fatwa 16503, on the principle that every loan bringing a benefit is riba

And Allah knows best.