Conditional Contracts and Agreements: What They Are and How to Use Them

If you’ve ever tried to close a deal while something important is still “up in the air” (funding approval, landlord consent, board sign-off, due diligence results), you’ve already run into the problem that conditional contracts are designed to solve.

A conditional contract (sometimes called a conditional agreement) lets you move the deal forward now, while making it clear that some obligations only have to be performed once certain conditions are met.

Used properly, conditional contracts can protect your business from committing too early, while still giving you the commercial certainty you need to plan, spend, hire, and grow.

What Is A Conditional Contract (Or Conditional Agreement)?

A conditional contract is a contract where the parties agree that:

• some or all obligations won’t need to be performed until specified conditions are met, and/or
• the contract will end (or change) if a specified event happens.

In other words, you’re agreeing on the “main deal” now, but you’re linking the deal to something else that must happen (or must not happen) before the relevant obligations are performed.

Conditional contracts are common in small business deals because they let you line up multiple moving pieces without taking on unnecessary risk. For example, you might want to secure a supplier, but only if your new premises lease is approved. Or you might want to agree a business purchase, but only if due diligence is satisfactory and funding is secured.

Are Conditional Contracts Legally Binding In The UK?

They can be. The key point is that a conditional contract still needs the usual ingredients of a contract (offer, acceptance, consideration, intention to create legal relations, and sufficiently clear terms).

Where businesses sometimes get caught out is confusing:

• a binding conditional contract (binding now, but performance is conditional), with
• a non-binding “agreement to agree” (not enforceable because key terms are missing or unclear).

As a general rule, you want clarity on whether you’re signing something that is intended to be enforceable, even though it’s conditional. If you’re unsure how this works in practice, it helps to understand what makes a legally binding contract in the first place.

Conditional Contracts Vs Heads Of Terms

In many deals, parties start with “heads of terms” or a short commercial summary. Those documents are often mostly non-binding (though certain clauses like confidentiality or exclusivity may be binding).

A conditional contract is different: it’s typically intended to be the real agreement, with the conditions spelling out when the agreement takes effect or what must happen before you’re required to perform.

Common Types Of Conditions In Business Contracts (And Why They Matter)

When people talk about conditional contracts, they’re usually referring to one of two types of conditions.

1. Conditions Precedent (The Deal Starts When The Condition Is Met)

A condition precedent means one or more obligations only kick in after an event happens (and in some contracts, the parties treat the agreement itself as not fully operative until that point).

Examples include:

• Finance condition: your bank approves the loan on acceptable terms.
• Due diligence condition: your review of accounts, key contracts, and liabilities is satisfactory.
• Third-party consent: a landlord, franchisor, regulator, or major customer consents.
• Board/shareholder approval: your directors or shareholders sign off.
• Planning/permits: you receive a licence or permission needed to operate.

For small businesses, a condition precedent is often the safest approach where you’d otherwise be taking a “leap of faith”.

2. Conditions Subsequent (The Deal Ends Or Changes If The Condition Occurs)

A condition subsequent means the contract starts now, but it will end or change if a specified event happens later.

Examples include:

• Loss of key approval: if a required licence is revoked, either party can terminate.
• Failure to reach a milestone: if a pilot phase doesn’t hit agreed metrics, the parties exit.
• Material adverse change: if an unexpected serious event occurs, the contract can be unwound.

This structure can be useful where you need the deal to start immediately (for example, you need early access to resources), but you still want a clean exit if a critical assumption turns out to be wrong.

Be Careful With “Sole Discretion” Conditions

Some conditions are written so one party can decide (in their “sole discretion”) whether the condition is satisfied. This can be commercially useful, but it can also create disputes if the other side thinks you’re acting unreasonably or just trying to get out of the deal. Depending on the context, even “sole discretion” may be interpreted as requiring a rational decision and (in some situations) compliance with implied duties such as good faith.

If you’re using a subjective condition, it’s often better to include a standard like:

• “acting reasonably”,
• “not to be unreasonably withheld or delayed”, or
• objective criteria (specific documents, dates, metrics, or approvals).

When Should Your Small Business Use Conditional Contracts?

Conditional contracts aren’t only for big corporate transactions. They’re very practical for SMEs, especially when you’re juggling risk and cashflow.

Buying Or Selling A Business (Or Assets)

If you’re buying a business (or a chunk of business assets), you may want conditions around:

• satisfactory due diligence,
• assignment/novation of key customer and supplier contracts,
• transfer of intellectual property, and
• funding approvals.

In many business sale scenarios, you also need a clean way to move contracts across to the buyer. That may involve a Deed of Novation (where all parties agree the old contract is replaced with a new one, with the buyer stepping into the seller’s shoes).

Commercial Leases And Fit-Out Works

Signing a lease is a big commitment. Small businesses commonly use conditional agreements for leases where the deal is subject to:

• landlord approval of references,
• planning permission,
• licences required for your industry (for example, food, alcohol, beauty, events), or
• fit-out approval and building compliance.

Without conditions, you can end up stuck paying rent for premises you can’t legally operate from yet.

Supplier And Manufacturing Arrangements

If you’re ordering stock, committing to minimum order quantities, or booking production capacity, conditions can help you avoid being locked in if (for example) your customer contract doesn’t land or your product testing fails.

Common conditions in supply deals include:

• successful sample approval,
• inspection/testing results,
• your customer awarding you the downstream contract, or
• availability of raw materials within a price range.

Investment And Funding Deals

Raising capital often includes conditions like completion of due diligence, execution of key documents, and investor approvals.

Even if you’re not “raising” in a venture-capital sense, conditional agreements can help with:

• director/shareholder loans,
• bank lending,
• grant funding (where the funding is subject to milestones), and
• strategic partnerships where contributions are staged.

Hiring And Scaling

Sometimes you need to line up hiring before a new contract starts, but you don’t want to overcommit if the deal falls through. There are ways to structure conditional offers and start dates (carefully) so you’re not exposing your business to unnecessary employment risk.

This is an area where getting advice matters, because the “condition” has to work alongside statutory rights and the wording of the actual employment documentation.

How To Draft A Conditional Contract That Actually Protects Your Business

The value in conditional contracts isn’t the concept - it’s the drafting. A vague condition can create more risk than it removes, because the parties may disagree about whether the condition was satisfied and what happens next.

Here are the clauses you’ll usually want to think about.

1. Describe The Conditions With Enough Detail

A good condition is clear, measurable, and time-bound. Compare these:

• Too vague: “Subject to finance.”
• Better: “Subject to the Buyer receiving written confirmation from a UK-regulated lender by 5pm on 30 April 2026 of finance approval for at least £100,000 on terms reasonably acceptable to the Buyer.”

The second version makes it easier to prove whether the condition is met, and reduces the chance of a dispute later.

2. Include A Longstop Date (And What Happens If It’s Not Met)

A longstop date is a final deadline for satisfying the conditions. If the conditions aren’t met by then, the contract usually:

• terminates automatically, or
• either party can terminate by notice.

This prevents the contract from lingering indefinitely while everyone waits (and your business stays in limbo).

3. Set Out Each Party’s Obligations To Help Satisfy The Condition

Conditions don’t satisfy themselves. If the condition requires action (applying for consent, giving documents, negotiating with a third party), spell out who must do what.

Common examples:

• who applies for landlord consent,
• who pays application fees,
• who provides information for finance approval,
• who can talk to the third party, and
• whether you must act “reasonably” or use “best/reasonable endeavours”.

This part is especially important if you’re relying on the other side to do something. Otherwise, you may have a “conditional” deal that never progresses, with no clear remedy.

4. Clarify What Happens Before The Conditions Are Met

One of the most overlooked points is what the parties can (or can’t) do in the meantime. For example:

• Can you start work early?
• Can you place orders?
• Do you have exclusivity?
• Can either party walk away freely?
• Are payments held as deposits, and are they refundable?

Many disputes happen because the parties start behaving as if the contract is “live”, but the legal document says obligations don’t begin until the condition is met.

5. Decide Whether Any Clauses Should Still Apply Immediately

Even if the main obligations are conditional, you may want some terms to apply straight away, such as:

• confidentiality,
• exclusivity,
• costs,
• governing law and dispute resolution,
• limitations on announcements/marketing.

This is where careful drafting really matters - you don’t want to accidentally make the whole agreement non-binding when you intended certain protections to apply from day one.

6. Avoid “Magic Words” That Create Confusion

Phrases like “subject to contract” and “subject to finance” can be useful shorthand in emails, but they can also create uncertainty if they conflict with your signed terms.

If your deal needs a carve-out, it’s better to say it directly in the contract (in plain English) rather than relying on informal labels.

7. Think About How The Contract Can Be Updated

Conditions can evolve, especially where you’re waiting on third parties. Your contract should set out how changes are made (in writing, signed by both parties, etc.). If you need a practical approach to this, it helps to understand the basics of amending a contract so the paperwork matches what you’re actually agreeing as the deal progresses.

Key Risks And Pitfalls With Conditional Agreements (And How To Avoid Them)

Conditional contracts can be a huge asset - but only if you manage the risks properly. Here are the issues we see most often for small businesses.

Unclear Conditions (Leading To Disputes)

If the condition is subjective or vague, you can end up arguing over:

• whether the condition was satisfied,
• whether a party acted reasonably,
• whether the condition was waived, or
• whether the agreement was ever binding at all.

The fix is usually to tighten the definition of the condition and include objective evidence (written approval, dated documents, signed consents).

Starting Work Too Early

It’s common for businesses to start performing “in good faith” while waiting for conditions. That can backfire if the contract says obligations don’t start yet.

If you need early work to happen, consider:

• a limited early works agreement,
• an interim services agreement, or
• a clause that expressly allows certain early steps (and how they’ll be paid for if the condition fails).

Not Managing Liability During The Conditional Period

Even before the contract fully kicks in, you may have exposure (for example, if you’re on-site doing preliminary work or you’re sharing sensitive information).

This is where risk clauses matter, including a well-drafted limitation of liability clause and appropriate insurance and responsibility wording for the conditional period.

Assignment, Transfer, And “Who Is The Contract Actually With?”

If your deal involves a change of party - for example, you start negotiating as a sole trader, then incorporate a company, or you’re buying assets through a new entity - you need to be careful that the contract is with the right legal party.

Sometimes a transfer can be handled by assignment; other times you’ll need consent and a replacement contract. The right structure depends on the deal and the underlying contract terms.

Overreliance On “Notwithstanding” Clauses

Businesses sometimes try to fix conditional drafting by adding a sweeping “notwithstanding” statement (for example, “notwithstanding anything else, the parties are bound”).

These clauses can be useful, but they can also create conflicting interpretations if the rest of the agreement isn’t aligned. If you’re using this kind of override clause, it’s worth understanding what a notwithstanding clause does and making sure it doesn’t accidentally undermine the commercial intent.

Not Having A Clean Exit Route

If conditions fail, you want the contract to make the next steps obvious. Otherwise, you can get stuck in disagreements about:

• whether any deposits are refundable,
• whether costs are recoverable,
• what happens to work already performed, and
• how confidential information is handled.

Also, sometimes you need a clear written notice to end the arrangement properly. Having a plan for formal notices (including a termination letter where appropriate) helps you close out the arrangement cleanly and reduce the risk of ongoing liability.

Key Takeaways

• Conditional contracts (and conditional agreements) let you agree a deal now, while making performance dependent on specific events like funding, due diligence, or third-party consent.
• A conditional contract can still be legally binding in the UK - but only if the terms are clear enough to be enforceable and it’s obvious what happens if conditions are (or aren’t) met.
• The most common conditions are conditions precedent (where obligations start when the condition is met) and conditions subsequent (where the deal ends or changes if an event occurs).
• Strong drafting usually includes a longstop date, clear responsibilities for satisfying conditions, rules for what happens during the conditional period, and a clean exit process.
• Be careful about starting work too early, unclear “sole discretion” conditions, and liability gaps while you’re waiting for conditions to be satisfied.
• Conditional contracts are especially useful for SMEs dealing with leases, supply arrangements, business purchases, and funding - anywhere you need certainty without overcommitting.

This article is general information only and isn’t legal advice. If you want advice on your specific situation, speak to a qualified lawyer.

If you’d like help drafting or reviewing a conditional contract, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligation chat.