What is Islamic Finance?

For Muslims, money isn’t just a practical matter, it’s a moral one. How you earn it, how you spend it and how you grow it all carry weight. Islamic finance is the system built around that principle: a way of conducting financial transactions that is consistent with Islamic law, known as Sharia.

But what does that actually mean in practice? And why does it matter if you’re looking to buy a home, save money or invest in the UK today?

A brief history of Islamic Finance

Islamic finance is not a modern invention. Its roots stretch back to the earliest days of Islam in the 7th century, when the Quran and the Sunnah (the teachings and practices of the Prophet Muhammad, peace be upon him) laid out clear guidance on commerce and economic conduct.

At the heart of this guidance was a prohibition on riba, also known as interest. The Quran explicitly forbids it in several verses, distinguishing the act of profiting from lending money from legitimate trade and commerce, where risk and reward are shared between parties.

The concepts that underpin modern Islamic finance – including mudaraba (profit-sharing) and musharaka (partnership), were practised across the Islamic world for centuries, from the bazaars of Baghdad to the trade routes that connected the Muslim world to Europe, Africa and Asia.

The modern revival

The modern Islamic finance movement began to take shape in the mid-20th century. Scholars and economists in Egypt, Pakistan and Malaysia started developing theoretical frameworks for sharia compliant banking, arguing that Muslim communities deserved financial products that reflected their values.

Islamic Finance in the UK

The UK’s large and growing Muslim population, estimated at over 3.9 million¹, created significant demand for sharia compliant products. And successive governments recognised the opportunity to position London as a gateway for Islamic capital flows.

In 2003, HSBC became the first mainstream bank to offer a sharia compliant home purchase product in the UK². In 2014, the UK became the first non-Muslim country to issue a sovereign sukuk (an Islamic bond), raising £200 million³. And in 2025, StrideUp issued Meridian Funding 2025-1, a £308 million sharia compliant residential finance-backed security, a further sign of the sector’s growing maturity and institutional confidence.

One aspect of the UK’s approach is often overlooked. In 2003, the government amended Stamp Duty legislation to remove what had been a significant barrier⁴: because a Home Purchase Plan involves the property being purchased by the finance provider and then transferred to the customer, buyers had previously faced Stamp Duty twice on the same property. That was corrected, and today sharia compliant buyers pay Stamp Duty on the same basis as anyone else. Similar work has been done on other areas of tax treatment over the years, which is a large part of why the UK is regarded as having the most developed framework for Islamic finance of any Western economy⁵.

In 2003, the government amended Stamp Duty legislation to remove what had been a significant barrier.

The core principles

So what actually defines Islamic finance? At its core, it rests on a handful of key principles:

The prohibition of riba (interest)

This is the most fundamental rule. Any predetermined, guaranteed return on money, whether paid or received, is considered riba and is forbidden. This applies to conventional mortgages, credit cards, personal loans, and savings accounts that pay interest.

Risk and reward must be shared

In Islamic finance, profit is legitimate when it comes with genuine risk. A return that is guaranteed regardless of what happens to the underlying asset or venture is not sharia compliant. The provider must have real exposure to the transaction, typically through genuine ownership of a real asset, rather than simply lending money and being repaid with a premium on top.

• How this works in a Home Purchase Plan?
  
  Because a Home Purchase Plan is built on co-ownership rather than lending, it’s worth being clear about how ownership and risk actually work in practice.
  
  The provider takes genuine legal ownership of a share of the property. That’s a real asset, not simply a charge registered against someone else’s asset, and the provider’s return comes from rent on the share it owns rather than from a loan. That ownership carries real obligations and real exposure, which is part of why buildings insurance covering the full rebuild value must be in place from the day you complete.
  
  What co-ownership doesn’t mean is that the provider takes a share of any change in the property’s value. With StrideUp’s Home Purchase Plan, you acquire our share at a pre-agreed price. If the property rises in value, the full increase is yours. If it falls, that fall is yours too, the amount you need to acquire is unchanged.
  
  This is worth understanding properly, because it works both ways. You keep 100% of any growth in your home’s value rather than sharing it with your finance provider, but you also carry the risk if values fall, in the same way any homeowner does. A Home Purchase Plan is a route to full ownership, not a shared-equity arrangement.

Transactions must be backed by real assets

Money cannot simply generate more money. Islamic finance requires that transactions are linked to real economic activity, buying property, financing trade, building something tangible.

Avoiding prohibited industries

Islamic finance prohibits investment in industries considered harmful under Islamic principles, including alcohol, gambling, tobacco, weapons, and adult entertainment.

Transparency and fairness

Excessive uncertainty (gharar) and speculation (maysir) are also prohibited. Contracts must be clear, fair, and understood by both parties.

Who decides what qualifies?

A reasonable question follows from all of this: who actually determines whether a particular product meets these principles?

Sharia compliance isn’t self-certified. Providers appoint independent Sharia scholars, usually as a supervisory board or advisory firm, who review the contracts, the structure of the product, and the way it operates in practice. They issue a certification, commonly called a fatwa, confirming the product meets Islamic requirements, and they review it on an ongoing basis rather than once at launch.

This is a separate process from financial regulation. In the UK, a Sharia-compliant home finance provider is authorised and regulated by the Financial Conduct Authority in exactly the same way as any other home finance provider, and customers have the same protections, including access to the Financial Ombudsman Service. Sharia certification sits alongside that, addressing a different question: not whether the firm is properly regulated, but whether the product is genuinely consistent with Islamic principles.

If you’re considering a sharia compliant product, it’s reasonable to ask who certifies it. StrideUp’s Home Purchase Plan is certified as sharia compliant by Amanah Advisors.

What Islamic Finance looks like in practice

These principles translate into specific financial structures that are used in place of conventional products. Rather than a bank lending money and charging interest, Islamic finance uses mechanisms where the provider and customer genuinely share in the underlying asset or transaction.

Two of the most common structures used in home finance are Ijarah and Diminishing Musharakah.

For home buyers specifically, these structures form the basis of what are commonly called Islamic mortgage alternatives or Home Purchase Plans (HPPs), the sharia compliant alternative to a conventional mortgage.

Beyond home finance

Home finance is where Islamic finance is most visible in the UK, but it’s only one part of the picture.

Sharia-compliant current accounts and savings products are available, as are investment funds screened to exclude prohibited industries. Takaful, the Islamic alternative to conventional insurance, operates on a mutual model where participants contribute to a shared pool rather than transferring risk to an insurer for a premium. Business and commercial finance structures exist too, using the same underlying principles applied to trade and asset purchase.

There are still gaps. Some everyday financial products that are legally required or practically unavoidable have no Sharia-compliant alternative in the UK, which leaves Muslim consumers with genuinely difficult choices. But the range of what’s available has expanded considerably over the past decade, and continues to.

Why it matters today

Islamic finance is sometimes seen as a niche concern, something only relevant to a small portion of the population. But that misses the bigger picture.

For Muslims, the prohibition on interest isn’t a preference. It’s a religious obligation. Being excluded from conventional financial products isn’t just inconvenient, it can mean being shut out of homeownership entirely, or having to choose between meeting their financial needs and following their religious beliefs.

At StrideUp, our mission is to make sharia compliant home finance genuinely accessible. If you’d like to explore whether our home finance could work for you, get started here.