IFISA Peer-to-Peer Lending: Why It Isn't FSCS-Protected (2026)
An Innovative Finance ISA shelters peer-to-peer lending returns from tax, but unlike cash savings, your capital is not protected by the FSCS if the platform or borrowers fail. Here's what you need to know.
What an IFISA actually holds
An Innovative Finance ISA is one of the four main ISA types (alongside Cash, Stocks and Shares, and Lifetime ISAs) and is specifically designed to hold peer-to-peer (P2P) loans and certain debt-based crowdfunding investments. Instead of depositing cash with a bank, your money is lent — often to a pool of individual borrowers or small businesses — via a platform, and you receive interest from those loan repayments, all sheltered from income tax within the ISA wrapper.
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Open ISA calculatorThe critical difference: deposit vs investment
This is the single most important distinction to understand before putting money into an IFISA.
| Feature | Cash ISA | IFISA |
|---|---|---|
| Legal nature of your money | Bank deposit | Loan/investment |
| FSCS protection | Yes, up to £85,000 per institution | No deposit protection |
| Capital at risk? | No (except in extreme bank failure scenarios covered by FSCS) | Yes — borrower default or platform failure can cause loss |
| Typical return | Lower, but guaranteed by the bank | Higher target return, but not guaranteed |
| Tax treatment | Interest tax-free | Interest tax-free |
A Cash ISA is a deposit — the bank owes you the money back, and if the bank fails, the FSCS steps in to cover it up to £85,000. An IFISA is fundamentally different: you are the lender, and if the borrowers you've lent to (via the platform) default, or the platform itself becomes insolvent and can't administer the loans properly, you can lose some or all of your capital, with no FSCS deposit guarantee to fall back on.
What FCA authorisation does and doesn't cover
IFISA platforms operating in the UK must be authorised by the Financial Conduct Authority, which requires them to meet conduct standards — clear risk disclosures, fair marketing, systems and controls, and minimum capital requirements for the platform itself. This is genuinely valuable regulatory oversight, but it is not the same as protecting your capital.
Provision funds: helpful, but not a guarantee
Many P2P platforms maintain a "provision fund" — a pot built up from a small portion of interest payments, used to cover investor losses when individual borrowers default. These funds have genuinely helped smooth returns for investors during normal periods of isolated defaults.
However, provision funds are explicitly discretionary, not contractual, in almost all cases. During periods of elevated defaults (an economic downturn, for example), a provision fund can be reduced, exhausted, or withdrawn entirely at the platform's discretion, leaving investors to absorb losses directly. Several UK P2P platforms have wound down provision funds or ceased new lending altogether in the years since the sector's mid-2010s peak, illustrating that this protection is not a permanent guarantee.
When compensation is available
You may be entitled to claim through the FSCS (up to £85,000) in narrower circumstances than simple loan default:
| Circumstance | FSCS claim possible? |
|---|---|
| Borrower defaults on the underlying loan | No |
| Platform's target returns simply underperform | No |
| Platform provided negligent or unsuitable investment advice | Potentially yes |
| Platform engaged in fraud or serious misconduct | Potentially yes |
| Platform holds client money improperly, in breach of FCA rules | Potentially yes |
This narrower protection is closer to the compensation available for stocks and shares ISA investments (protection against bad advice or fraud, not against poor market performance) than to the blanket deposit guarantee that applies to cash.
Weighing the return against the risk
| Feature | Cash ISA | IFISA |
|---|---|---|
| Typical rate/target return | 3%-5% | 4%-8%+ |
| Capital risk | Minimal (FSCS-backed) | Real — can lose capital |
| Liquidity | Usually easy or notice-based access | Often illiquid; secondary markets not guaranteed |
| Suitable for | Emergency funds, short-term savings | Money you can afford to have at risk, for years |
An IFISA can be a reasonable part of a diversified portfolio for an investor who understands and accepts credit risk in exchange for a higher target yield, but it should never be treated as a higher-paying, risk-free alternative to a Cash ISA — the higher advertised rate exists specifically because the capital is genuinely at risk.
Use our ISA calculator to check your annual allowance across ISA types, and our savings calculator to compare a guaranteed Cash ISA return against an IFISA's target rate on a risk-adjusted basis.
Frequently asked questions
Is money in an Innovative Finance ISA protected by the FSCS?
No, not in the way cash savings are. The Financial Services Compensation Scheme protects up to £85,000 per person per institution for cash deposits, but peer-to-peer loans held in an IFISA are investments, not deposits, so if a borrower defaults or the platform collapses, your capital is generally at risk with no FSCS deposit protection.
What protection do IFISA investors actually have?
IFISA platforms must be FCA-authorised, which brings conduct-of-business regulation, but this does not guarantee your capital or returns. Some platforms maintain a discretionary provision fund to cover bad debts, but these funds are not guaranteed and have been exhausted or withdrawn by some platforms during stress periods.
Can I claim compensation if an IFISA platform goes bust?
You may be able to claim through the Financial Services Compensation Scheme, but only for losses arising from bad investment advice or platform misconduct/fraud (up to £85,000), not simply because borrowers defaulted on their loans or the loans themselves performed poorly.
What returns do IFISA platforms typically offer?
Advertised target returns commonly range from around 4% to 8%+ per year depending on the loan risk tier, reflecting the higher risk of capital loss compared with a Cash ISA, which offers a lower but capital-protected return.
Should I put money in an IFISA instead of a Cash ISA?
Only if you understand and accept that your capital can be lost, in exchange for a higher target return and tax-free treatment of any interest earned. It should not be treated as a like-for-like substitute for a Cash ISA when comparing headline interest rates alone.
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