This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Learn what novation of a contract means under English law, how it replaces one contracting party with another, the difference from assignment, when novation is used, and key steps to complete a lawful novation in commercial agreements.

In commercial law, novation is a legal process in which one party to a contract is replaced by another party, with the consent of all parties involved, and the original contract is effectively extinguished and replaced by a new but substantively identical agreement. Unlike an assignment, which transfers only rights (such as payment entitlements) under a contract, novation transfers both rights and obligations, and releases the outgoing party from future liability. This concept is widely used in business sales, group restructures, service‑provider changes and other scenarios where contracts need to continue with a different party.
This article explains the legal meaning of novation, how it works in practice under English law, when it's used, how it differs from assignment, and what parties should consider when contemplating a novation.
What Novation Means in Contract Law
Novation involves three parties:
- The outgoing party (the party being replaced);
- The incoming party (the replacement); and
- The continuing counterparty (the party who remains in the contract).
In a novation, the contract between the original parties is terminated and replaced by a new contract in which the incoming party takes on all rights and obligations. As a result:
- The outgoing party is usually released from future liabilities under the contract;
- The incoming party assumes both the benefits and burdens of performance; and
- The contract continues to operate on the same terms, other than the change of party.
Because novation changes the identity of a contracting party, it requires consent from all parties. Without this consensus, novation will not be effective.
How Novation Works in Practice
Consent and Formalities
Novation cannot occur unilaterally. The outgoing party, incoming party, and the counterparty must all agree to the change. In many commercial transactions, this agreement is documented in a Deed of Novation because:
- It provides a clear written record of the transfer;
- It helps ensure that the outgoing party is released from future obligations; and
- Using a deed avoids potential issues with consideration, which is required for enforceable contract changes in English law.
Release and Assumption of Obligations
A key feature of novation is that the new party takes on the full contractual position of the outgoing party, including:
- Rights to receive performance (such as payment or services);
- Obligations to perform duties (such as providing goods or services); and
- Responsibility for any future compliance with the contract.
At the same time, the counterparty agrees to release the outgoing party from these future obligations, which is central to a clean transfer.
When Novation Is Used
Novation is commonly used in commercial and corporate settings, for example:
Business or Asset Sales
When a business is sold, existing customer or supplier contracts may need to be novated to the buyer so that the buyer can step into the legal position of the seller under those contracts.
Service Provider Changes
If a company decides to replace a subcontractor or service provider under an existing contract, novation enables a new provider to take on the agreement with the consent of the client and the outgoing provider.
Group Restructuring
In corporate reorganisations, contracts may be novated from one group company to another as part of a strategic realignment of operations or assets.
Construction Projects
In construction contracts, novation is often used to transfer design or performance obligations from one contractor to another as projects evolve or change hands.
Novation vs Assignment
Understanding the distinction between novation and assignment is essential:
| Feature | Assignment | Novation |
|---|---|---|
| Transfers rights | ✔️ Yes | ✔️ Yes |
| Transfers obligations | ❌ No | ✔️ Yes |
| Requires consent of counterparty | Not always* | ✔️ Always |
| Releases outgoing party from liability | ❌ No | ✔️ Yes |
*An assignment may require consent if the contract prohibits assignment.
With an assignment, only benefits (such as the right to be paid) are transferred, and the assignor typically remains liable for performance under the contract. With novation, the outgoing party is generally released and the incoming party assumes both rights and obligations.
Legal and Commercial Considerations
Documenting Novation
A Deed of Novation is the preferred legal instrument for completing a novation, because it:
- Clarifies the identities of all parties;
- Specifies the effective date of the novation;
- Confirms the transfer of rights and obligations; and
- Records the release of the outgoing party from future liabilities.
Contract Terms and Consent
Parties should check the original contract for any language limiting assignment or novation. Some contracts contain anti‑assignment or consent requirements that affect how and whether novation can proceed. However, in some cases courts have held that terminology restricting “assignment” may not prevent novation where the language does not extend to substitution of parties.
Continuity and Accrued Rights
A well‑drafted novation should address rights and liabilities that have already arisen under the contract before the novation takes effect, such as:
- Payments already due;
- Warranties or indemnities; and
- Claims or disputes arising before the effective date.
Clarity on these points helps avoid ambiguity and disputes after novation.
Practical Steps to Novate a Contract
- Review the existing contract to identify any restrictions on transfer of rights or obligations.
- Agree commercially between the outgoing party, incoming party and counterparty on the terms and effective date of novation.
- Prepare a Deed of Novation that clearly identifies the contract, parties involved and the terms of substitution.
- Address accrued rights and liabilities, evidencing who is responsible for past and future obligations.
- Execute the novation with appropriate signatures, ensuring compliance with any formalities required by the original contract or law.
Common Questions from our Readers
Does novation always require consent?
Yes. Because novation changes the legal obligations of a contract, all existing parties and the incoming party must agree.
Can novation occur without a written contract term addressing it?
Yes. Novation can occur even if the original contract is silent on the topic, provided all parties consent and a clear agreement documenting the change is executed.
Does novation affect past liabilities?
A novation typically deals with future obligations, but it can be structured to clarify who bears responsibility for past liabilities or breaches.
Key Takeaways
Novation of a contract is the legal mechanism by which one contracting party is substituted for another with the consent of all parties, and the original contract is replaced by a new agreement that continues the same terms but binds a different party. Unlike assignment, which transfers only rights, novation transfers both rights and obligations, and releases the outgoing party from future liabilities. Novation is essential in commercial contexts such as business sales, service provider changes, and reorganisations where contractual continuity is needed with a different contracting party. Proper documentation - usually in the form of a Deed of Novation - and clear consent from all parties ensures that the transition is legally effective and commercially sound.