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how to draft a loan agreement uk

How to Draft a Loan Agreement in the UK

If you need to know how to draft a loan agreement in the UK, you are probably lending money to a co-founder, a supplier, or a director — and you want it done properly without paying a solicitor for a straightforward document. A loan agreement is a legally binding contract that sets out the terms under which money is lent and repaid. Under UK law, it does not need to be witnessed or notarised to be enforceable, but it does need to clearly identify the parties, the loan amount, the repayment schedule, the interest rate (even if zero), and what happens if repayment does not happen. Getting these details wrong — or skipping the document entirely — creates real disputes. HMRC also scrutinises director loans closely, so having a written agreement protects you on the tax side too. This guide walks through every clause you need, what UK law requires, and where a template stops being enough and you need a solicitor.

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Why this matters

Most UK founders lending money to their business, a co-founder, or a third party do it on a handshake or a quick email. That works fine until repayment becomes awkward, a dispute arises, or HMRC asks questions about a director loan account. Without a written loan agreement, you have no clear evidence of the terms, no agreed interest rate, and no defined consequences for default. Courts can imply terms, but that process is slow and expensive. The real pain here is not complexity — a straightforward loan agreement is not a difficult document — it is knowing exactly what to include so the agreement actually holds up.

The Atornee approach

Atornee lets you generate a UK-specific loan agreement in minutes by answering plain-English questions about your loan. It is not a generic template you fill in manually — it builds the document around your inputs, flags missing clauses, and explains what each section means in plain language. If your loan involves a regulated lender, a consumer borrower, or security over assets, Atornee will tell you that you need a solicitor rather than pretend the document covers it. For straightforward business-to-business or director loans, it handles the drafting so you can get the agreement signed and move on.

What you get

A complete UK loan agreement covering all essential clauses — parties, principal, interest, repayment schedule, default, and governing law
Plain-English explanations of each clause so you understand what you are signing, not just what it says
Automatic flagging if your loan structure requires FCA authorisation or a solicitor review
A document formatted for e-signature and ready to send immediately
Guidance on director loan rules and HMRC requirements built into the drafting flow

Before you sign checklist

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1. Confirm whether your loan is between businesses, between individuals, or involves a company director — this affects which rules apply
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2. Decide on the loan amount, currency, and the exact repayment schedule before you start drafting
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3. Agree on the interest rate upfront — even if it is zero, state it explicitly to avoid HMRC treating it as a benefit in kind
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4. Identify what happens on default — late payment interest, demand for immediate repayment, or both
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5. Check whether the loan needs to be secured against an asset — if so, you will need a separate security document and likely a solicitor
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6. Confirm governing law is England and Wales (or Scotland if applicable) and that both parties have capacity to enter the agreement
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7. Get the agreement signed by both parties before any money changes hands — not after

FAQ

Does a loan agreement need to be witnessed or notarised in the UK?

No. A standard loan agreement between two businesses or individuals does not need to be witnessed or notarised to be legally binding in England and Wales. It needs offer, acceptance, consideration, and intention to create legal relations — all of which are present in a written loan agreement. The exception is if the loan is secured by a deed, which does require witnessing.

What interest rate should I use for a director loan?

HMRC sets a beneficial loan rate each year. If you charge below this rate on a director loan exceeding £10,000, the difference is treated as a benefit in kind and must be reported on a P11D. If the loan is from the director to the company, you can charge any agreed rate, but it must be documented. Always state the rate explicitly in the agreement — even if it is zero.

Is a loan agreement enforceable if it is just an email chain?

Potentially yes, but it is risky. An email chain can constitute a binding contract if it contains the essential terms, but proving what was agreed, and in what order, becomes difficult in a dispute. A single signed document is far cleaner and much easier to enforce or rely on in court.

Do I need FCA authorisation to lend money in the UK?

It depends. Lending money as a business activity — particularly to consumers — is a regulated activity under the Financial Services and Markets Act 2000 and requires FCA authorisation. Lending between two businesses, or a one-off loan between individuals, generally falls outside this requirement. If you are unsure whether your lending activity is regulated, speak to a solicitor before proceeding.

What happens if the borrower does not repay?

Your agreement should specify this clearly. Common remedies include charging default interest, making the full outstanding balance immediately due, and pursuing the debt through the courts. If the loan is unsecured, you become an unsecured creditor — which matters if the borrower becomes insolvent. For larger loans, consider taking security over an asset to improve your position.

Can I use the same loan agreement template for Scotland?

Not without checking. Scots law differs from English law in several areas relevant to loan agreements, including the rules on security over property and the enforcement of debt. If either party is based in Scotland or the loan relates to Scottish assets, state Scots law as the governing law and have a Scottish solicitor review the document.

Related Atornee Guides

Cheap Contract Solicitor Alternative (UK)

Useful if you need to understand when AI drafting is sufficient versus when a solicitor is worth the cost for contract work.

Cheap Solicitor for NDA (UK)

If your loan involves sharing sensitive business information, pair it with a confidentiality agreement drafted at the same time.

Atornee Use Cases

See how UK founders, finance leads, and operations teams use Atornee across different document workflows.

External References

GOV.UK Business and Self-employed

Official UK government guidance on business operations, including director loan rules and HMRC requirements.

UK Legislation

Primary statutory reference for the Financial Services and Markets Act 2000 and other legislation governing lending in the UK.

Trust & Verification Policy

Authored By

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Atornee Editorial Team

UK Contract Research

Reviewed By

C

Compliance Review Desk

UK Business Legal Content QA

Last reviewed on 3/4/2026

"This content is based on analysis of UK contract law requirements, HMRC director loan guidance, and FCA regulated activity rules as they apply to business lending. It reflects the practical drafting questions raised by UK founders and finance leads using Atornee to generate loan agreements."

References & Sources