Here is a number that should grab your attention: Nigeria has over 100 million Muslims, making it one of the largest Muslim populations in the world. Many of these citizens avoid conventional banking products because of religious prohibitions on interest (riba). But they still need houses. They still want to own property. And they deserve professional mortgage advice that respects their values while meeting their needs [1].

That is exactly where you come in. The Institute of Mortgage Brokers and Lenders of Nigeria (IMBLN), established by Act of the National Assembly in December 2022, regulates all mortgage professionals regardless of whether they work in conventional or non-interest finance [2]. The IMBLN Establishment Act makes no distinction between the two; its mandate covers the full spectrum of mortgage brokerage and lending in Nigeria. This means that as an IMBLN-certified professional, you need to be fluent in non-interest mortgage products even if you personally work primarily in conventional finance.

Think of it this way: a doctor doesn’t only treat patients who share their background. They treat everyone who walks through the door. Similarly, an IMBLN professional must be equipped to serve any client, whether they want a conventional mortgage at 22% or a Musharakah arrangement with zero explicit interest. The product is different; the professional standard is the same.

Before we dive into specific mortgage products, let us understand the core principles that underpin all Islamic finance. These aren’t arbitrary rules; they form a coherent ethical framework that, interestingly, resonates with many non-Muslim Nigerians as well.

7.2.1 Prohibition of Riba (Interest)

The most well-known principle: charging or paying interest on money is prohibited. This doesn’t mean that money can’t have a time value or that lenders can’t earn a return. It means the return must come from a real economic activity, such as buying and selling an asset, sharing in profits and losses, or leasing property, rather than simply lending money and charging a fee for its use [3].

Think of it like this: in conventional finance, the bank lends you N30 million and charges interest for the privilege. The bank’s return is guaranteed regardless of what happens to you or the property. In Islamic finance, the bank actually participates in the transaction, buying the property, leasing it, or co-owning it, and earns its return from that participation. The bank has skin in the game.

7.2.2 Prohibition of Gharar (Excessive Uncertainty)

Contracts must have clear, defined terms. Excessive ambiguity about the subject matter, price, or delivery is prohibited. This means that speculative or highly uncertain transactions are avoided. For mortgage products, this translates into a requirement for transparent pricing: the total amount the buyer will pay must be clearly stated upfront.

7.2.3 Asset-Backing Requirement

Every financial transaction must be linked to a real, tangible asset. You can’t create money from money; the transaction must involve an actual property, commodity, or service. For mortgage finance, this is naturally satisfied because the transaction involves a real property.

7.2.4 Profit-and-Loss Sharing

Where transactions involve partnerships or investments, both profit and loss must be shared according to agreed ratios. The lender cannot guarantee its return while the borrower bears all the risk.

7.2.5 Ethical Screening

The underlying activity must be permissible (halal). For housing, this is straightforward: providing shelter is one of the most universally approved economic activities. But it means, for example, that a non-interest bank wouldn’t finance a property intended to house activities prohibited under Islamic law.

Now let us get into the specific product structures. Each one is a different way of structuring a property transaction that achieves the same end result, home ownership, while complying with Islamic finance principles. As an IMBLN professional, you need to understand not just what each structure does, but why it’s structured that way and what risks it creates for each party.

7.3.1 Murabaha (Cost-Plus Sale)

This is the simplest and most widely used structure globally. The bank purchases the property from the developer or seller at the agreed market price, then immediately sells it to the customer at a higher price (the cost plus a markup). The customer pays the marked-up price in instalments over an agreed period [4].

Think of it as the bank acting as a middleman. You want a property that costs N30 million. Instead of lending you N30 million and charging interest, the bank buys the property for N30 million and sells it to you for N45 million, payable over 15 years. Your monthly payment is N250,000. The bank’s profit (N15 million) is clearly stated and agreed upfront; there’s no fluctuating interest rate.

Key features of Murabaha in Nigeria:

• Fixed total cost: The customer knows from day one exactly how much they’ll pay. No rate surprises.
• Ownership transfer: Title passes to the customer at the point of sale, though the property is typically used as collateral.
• No compounding: The markup is calculated once, at the beginning. It doesn’t compound or increase if the customer falls behind on payments.
• Limitation: If market rates fall significantly, the customer can’t benefit because their price is fixed.

7.3.2 Musharakah Mutanaqisah (Diminishing Partnership)

This is the most intellectually elegant Islamic mortgage structure, and it’s the one that the FMBN-SEC Non-Interest Mortgage framework is primarily built around [5]. Here is how it works:

The bank and the customer jointly purchase the property. Say the property costs N40 million. The customer puts in N10 million (25%) and the bank contributes N30 million (75%). They now co-own the property in those proportions. The customer occupies the property and pays the bank two things: (a) rent on the bank’s 75% share, and (b) additional payments to gradually buy out the bank’s share.

Over time, the customer’s ownership increases and the bank’s decreases. After 15 or 20 years, the customer owns 100% and the bank owns 0%. The partnership has diminished to nothing, hence the name.

Think of it like a business partnership where one partner is buying out the other. You and a friend buy a restaurant together, 25/75. You run the restaurant (and pay rent for using your friend’s share), and each month you buy another slice of your friend’s ownership until the whole thing is yours. Nobody charged interest; your friend earned rent and received fair value for their ownership share.

• True shared ownership: Both parties have genuine ownership stakes, and the bank bears real property risk.
• Rent decreases over time: As the customer’s share increases, the rent paid to the bank decreases proportionally.
• Flexibility: If the customer comes into money, they can accelerate buyout of the bank’s share.
• Sharia advisory board oversight: Each transaction must be approved by the bank’s Sharia advisory board.

7.3.3 Ijara (Lease-to-Own)

Under Ijara, the bank purchases the property and leases it to the customer for an agreed rental period. At the end of the lease (or at any point during it, depending on the structure), the bank transfers ownership to the customer. The FMBN’s Non-Interest Mortgage products include an Ijara component [6].

The key distinction from a conventional mortgage is that the bank retains ownership throughout the lease period. This means the bank bears the risk of property damage or destruction (though the customer is typically required to insure the property), and the rental amounts are determined by market rates for comparable properties, not by interest rate calculations.

Think of it as a very long-term hire-purchase arrangement, except that the rental is pegged to actual market rents rather than to interest rates on borrowed money.

7.3.4 Istisna (Construction Finance)

Istisna is specifically designed for financing the construction of new properties. The bank agrees to have a property built to the customer’s specifications, using an independent contractor, and then sells the completed property to the customer at a markup. This structure is particularly relevant in Nigeria, where a significant portion of housing demand is met by individual construction rather than purchase of completed units [7].

The process works like this: the customer describes what they want built, the bank agrees to finance the construction, the bank enters a separate construction contract with a builder, and upon completion the bank sells the finished property to the customer at a pre-agreed price, payable in instalments.

Nigeria has a small but growing ecosystem of non-interest financial institutions, regulated by the CBN under specific guidelines:

7.4.1 Full-Fledged Non-Interest Banks

As of 2025, three full-fledged non-interest (Islamic) banks are licensed by the CBN and insured by the NDIC [8]:

1. Jaiz Bank Plc: Nigeria’s first non-interest bank, established in 2012 and headquartered in Abuja. Listed on the Nigerian Exchange. Offers home financing through Musharakah Mutanaqisah and Murabaha structures.
2. TAJ Bank Limited: Commenced operations in 2019. Offers personal and mortgage financing products compliant with Sharia principles.
3. LOTUS Bank Limited: Licensed in 2021. Positioned as a modern, technology-driven non-interest bank with home financing capabilities.

All three banks are currently undergoing recapitalisation to meet the CBN’s increased minimum capital requirements, which is expected to strengthen their capacity to provide mortgage finance [9].

7.4.2 Non-Interest Banking Windows

Several conventional banks operate non-interest banking ‘windows’ or subsidiaries, offering Sharia-compliant products alongside their conventional offerings. Sterling Bank’s HAFIZ (its non-interest banking arm) is one of the more prominent examples. These windows are regulated by the CBN and must maintain separate books and Sharia advisory boards.

7.4.3 FMBN Non-Interest Products

The Federal Mortgage Bank of Nigeria has developed non-interest versions of its key products. FMBN’s Non-Interest NHF product allows contributors who prefer Sharia-compliant financing to access the National Housing Fund without conventional interest charges. The FMBN-SEC partnership announced in 2024-2025 aims to create a comprehensive Non-Interest Mortgage framework that could dramatically expand access to ethical housing finance [10].

Non-interest banking in Nigeria didn’t just appear overnight. It required careful regulatory development:

7.5.1 CBN Regulatory Framework

The CBN issued its framework for non-interest financial institutions in 2011, providing the regulatory foundation for Islamic banking in Nigeria. The framework covers licensing requirements, operational guidelines, Sharia governance, and prudential standards. Non-interest banks must maintain the same capital adequacy ratios as conventional banks and are subject to the same supervisory oversight [11].

7.5.2 Tax Treatment

One of the biggest challenges for non-interest mortgages in Nigeria has been tax treatment. Because these transactions involve the bank purchasing and reselling the property (rather than simply lending money), they can trigger multiple rounds of stamp duty and VAT that don’t apply to conventional mortgages. The Federal Government has recognised this issue and taken steps to provide tax neutrality, ensuring that non-interest mortgage transactions are not more heavily taxed than their conventional equivalents. However, implementation remains inconsistent across states [12].

7.5.3 Land Use Act Implications

The requirement for Governor’s Consent under the Land Use Act applies to all property transactions, including non-interest mortgage structures. However, because some structures (like Musharakah) involve the bank holding an ownership interest in the property, the consent requirements may differ from a conventional mortgage where the bank holds a charge or lien rather than ownership. IMBLN professionals must work closely with solicitors experienced in non-interest property transactions to navigate these nuances.

A question every client asks: ‘Is it cheaper?’ The honest answer is nuanced. Non-interest mortgages are structured differently, so a direct comparison requires looking at the total amount the customer pays over the life of the facility.

Here’s the thing: comparing interest-based and non-interest products using interest rates is like comparing apples and mangoes using colour as the metric. They’re fundamentally different products. The right comparison is total cost: how much does the customer pay in total, and over what period? IMBLN professionals should present both options side by side using total cost, monthly payment, and total amount repaid as the comparison metrics [13].

Non-interest mortgage finance in Nigeria faces several significant challenges:

• Limited product awareness: Many potential customers, and even some financial professionals, don’t understand how non-interest products work
• Thin institutional base: Only three dedicated non-interest banks, with limited branch networks compared to conventional banks
• Double taxation risk: Property transactions involving bank ownership can trigger additional stamp duties and transfer costs
• Sharia governance costs: Maintaining a Sharia advisory board adds operational costs that are ultimately borne by customers
• Secondary market underdevelopment: NMRC’s refinancing framework is primarily designed for conventional mortgages; non-interest securitisation is still in early development
• Regulatory evolution: The regulatory framework, while established, continues to evolve, creating uncertainty for long-term products
• Perception issues: Some Nigerians, particularly in the southern states, associate non-interest banking exclusively with religion, not recognising its broader ethical finance appeal

IMBLN’s regulatory mandate covers the full spectrum of mortgage products in Nigeria. For non-interest mortgages specifically, the IMBLN professional must:

1. Understand the products: You don’t need a degree in Islamic jurisprudence, but you need to understand the mechanics of each structure well enough to explain them to clients and compare them fairly with conventional alternatives.
2. Maintain product neutrality: Your job is to present options and help clients choose what’s right for them, not to advocate for one type of product over another. Some clients want non-interest products for religious reasons; others want them for ethical reasons; others simply prefer the certainty of a fixed-cost product.
3. Know the institutional landscape: Which banks offer non-interest mortgages? What are their eligibility criteria? How do their products compare? This knowledge is part of your professional competence.
4. Navigate documentation differences: Non-interest mortgage documentation differs from conventional documentation. The deed might be a sale agreement (Murabaha) or a partnership agreement (Musharakah) rather than a traditional mortgage deed. IMBLN professionals must understand these differences.
5. Advise on total cost: Help clients understand the true cost of non-interest products, not just the headline figures. A Murabaha with a N15 million markup might look cheaper than a 22% conventional mortgage, but the IMBLN professional should present a like-for-like comparison.

The trajectory is clearly upward. The FMBN-SEC partnership to develop a national Non-Interest Mortgage framework signals serious government commitment to this segment. The recapitalisation of non-interest banks will give them more firepower. And the growing global appetite for ethical finance means that international investment in Nigeria’s non-interest mortgage market is likely to increase [14].

For IMBLN professionals, the message is clear: non-interest mortgage finance is not a passing trend. It’s an integral part of the solution to Nigeria’s housing deficit, and the professionals who position themselves as experts in this space will be at the forefront of the industry’s growth.

Non-interest mortgages offer an alternative pathway to homeownership that aligns with the values of millions of Nigerians. Whether structured as Murabaha (cost-plus sale), Musharakah Mutanaqisah (diminishing partnership), Ijara (lease-to-own), or Istisna (construction finance), these products achieve the same end result as conventional mortgages through fundamentally different mechanisms. As an IMBLN-certified professional, your competence must span both worlds: conventional and non-interest. The client sitting across from you deserves nothing less.

[1] Institute of Mortgage Brokers and Lenders of Nigeria (IMBLN). Establishment Act, 2022. imbln.ng and imbl.org.ng.

[2] IMBLN Professional Certification Programme. imbl.org.ng. IMBLN mandate covers all mortgage professionals regardless of product type.

[3] Central Bank of Nigeria. ‘Framework for the Regulation and Supervision of Non-Interest Financial Institutions in Nigeria.’ 2011 (revised). Guidelines for Islamic banking operations.

[4] Nigeria Housing Market. ‘Nigeria to Roll Out Interest Free Mortgages Under New FMBN-SEC Partnership.’ nigeriahousingmarket.com, 2024-2025.

[5] Federal Mortgage Bank of Nigeria. ‘FMBN Non-Interest Mortgage Products: Rent-to-Own and NHF Non-Interest.’ fmbn.gov.ng and services.gov.ng.

[6] FMBN. ‘Non-Interest NHF Product Guidelines.’ fmbn.gov.ng. Sharia-compliant NHF access for contributors.

[7] Jaiz Bank Plc. ‘Home Financing Products.’ jaizbank.com. Murabaha and Diminishing Musharakah home finance offerings.

[8] Nigeria Deposit Insurance Corporation (NDIC). ‘List of Non-Interest Banks.’ ndic.gov.ng. Jaiz Bank, TAJ Bank, and LOTUS Bank.

[9] Daily Market Forces. ‘Jaiz, Taj, Lotus Bank Recapitalisation to Drive Islamic Finance Growth.’ dmarketforces.com, 2024.

[10] Securities and Exchange Commission (SEC) and FMBN. ‘Joint Initiative for Non-Interest Mortgage Framework.’ Based on Musharakah, Ijara, and Murabaha models.

[11] Central Bank of Nigeria. ‘Guidelines for Non-Interest Banking Windows.’ cbn.gov.ng. Requirements for conventional banks offering Sharia-compliant products.

[12] Federal Inland Revenue Service (FIRS). Tax neutrality provisions for non-interest financial transactions. Stamp Duties Act considerations.

[13] Centre for Affordable Housing Finance Africa (CAHF). ‘Nigeria Country Profile.’ housingfinanceafrica.org. Total cost comparison methodologies.

[14] Islamic Financial Services Board (IFSB). ‘Global Islamic Finance Assets Exceed USD 4 Trillion.’ ifsb.org. Growth trends in Islamic finance worldwide.

[15] Sahara Reporters. ‘IMBLN Signs MoU With EFCC for Real Estate Sector Sanitisation.’ saharareporters.com, February 2025.

[16] Legit.ng. ‘All You Need To Know About Islamic Banking As CBN Approves Banks To Serve Nigerians.’ legit.ng. Overview of non-interest banking development in Nigeria.