Should I pay off my mortgage with an inheritance?

It depends on your mortgage rate vs likely investment returns, your tax position, and your psychology. Clearing a high-rate mortgage offers a guaranteed return and peace of mind, while lower-rate mortgages may make investing more attractive over the long term.

Are there penalties for paying off a mortgage early in the UK?

Yes — many fixed-rate mortgages charge an Early Repayment Charge (ERC), often 1–5% of the balance. Check your mortgage documents or speak to your lender before making a lump-sum repayment.

Is it better to overpay a mortgage or invest?

If your mortgage rate exceeds the realistic after-tax return on investments, overpaying often wins. With cheap fixed rates, investing — especially within a pension or ISA — has historically delivered better long-term outcomes.

Can I overpay my mortgage without penalty?

Most UK lenders allow overpayments of up to 10% of the balance per year without penalty. Check your specific mortgage terms before paying a large lump sum.

Does paying off my mortgage affect my credit score?

Closing a mortgage account may slightly reduce your credit history length, but the long-term effect is usually neutral or positive. Lenders look favourably on borrowers with low debt and strong payment history.

Should I pay off my mortgage or top up my pension?

Pension contributions attract income tax relief, often making them more efficient than mortgage overpayment for higher-rate taxpayers. A blended approach is common.

Should You Pay Off Your Mortgage With An Inheritance? UK Guide

Reviewed for accuracy and UK relevance by the Inheritance Money Advice editorial team· Last reviewed May 2026

The case for paying it off

Guaranteed "return" equal to your mortgage rate
Significant reduction in monthly outgoings
Peace of mind and reduced exposure to interest-rate rises

The case for keeping it and investing

Long-term investment returns may exceed your mortgage rate
ISAs and pensions offer tax efficiency mortgages do not
Money stays accessible for emergencies or opportunities

Torn between clearing the mortgage and investing?

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Watch out for Early Repayment Charges

If you are on a fixed-rate deal, your lender likely charges 1–5% to repay early. Most allow 10% overpayment per year penalty-free — a useful middle ground.

A balanced UK approach

Many advisers suggest splitting the decision: overpay up to your penalty-free limit, top up your pension and ISA, hold a healthy emergency fund, and invest the remainder. This captures the emotional benefit of reducing debt without giving up tax efficiency or flexibility.

Educational · UK-focused

Wondering what people in your situation typically do?

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When to seek personalised advice

Mortgage decisions interact with pensions, tax, and life goals in complex ways. For inheritances above £50,000, a one-off conversation with an FCA-regulated adviser is often well worth the cost.

Published January 2025 · Last reviewed May 2026

Should You Pay Off Your Mortgage With An Inheritance?