Contract Variation Agreement

What is a contract variation agreement?

A contract variation agreement (sometimes called an agreement to amend contract) is a legal document that modifies one or more terms of an existing contract between individuals, businesses and companies operating in the UK. The contract amendment helps to record contractual changes instead of rewriting the entire agreement. Contract amendment in the UK shall be done in writing and only upon mutual consent of all parties involved.

A contract variation form template can be used to change price or payment schedule, modify the list of contractual duties, define the scope of work, update identification details of the parties, remove or replace clauses, and so on.

A contract variation is different from a contract termination. In the case of an amendment agreement template, the original contract remains valid and continues to apply with changed terms. In case of termination, the contract ends.

What should be included in this amendment agreement template?

A standard and well-written amendment agreement template has the same requirements for both private and commercial contracts. They include:

Details of Parties

The contract shall outline the full legal name of both parties signing the amendment agreement. If there is a guarantor under the original contract, their written consent for the amendment shall be attached in a separate schedule to the agreement to amend the contract.

Description of variation

In the amendment agreement template parties may proceed with the replacement, amendment or removal of one or several clauses of the ongoing contract. These amendments can be explained in the text of the contract variation template or be attached in a separate schedule.

It is important to also provide the date from which these variations shall become effective. This can be the date of signing this agreement to amend contract or any date in the future.

Governing Law

The parties shall specify the laws of which jurisdiction will apply to the provisions of the present contract variation template. Usually the specified jurisdiction is the jurisdiction that applies to the provisions of the original contract.

Who shall use this agreement to amend contract template?

This amendment agreement template is suitable for anyone who needs to formally vary an existing written contract, including:

• Freelancers and independent contractors adjusting scope, deadlines, or fees with a client under services contracts;
• Small businesses and SMEs are updating supplier, service provider, or vendor agreements;
• Employers making agreed changes to employment contracts or zero-hours contracts.
• Landlords and tenants varying the terms of a commercial lease or residential tenancy agreement, etc.

This document cannot be used for termination of the ongoing contract. In such a case a contract termination agreement shall be used instead. If you are planning to amend the ongoing contract, use the letter to request amendments template in order to start the negotiation process with your counterparty.

Critical Restrictions: when you cannot freely vary a contract

Not all contracts can be amended freely, even with both parties’ agreement.

Residential Tenancy Agreements in England and Wales

Considering recent major changes affecting residential tenancies in England and Wales introduced by the Renters’ Rights Act 2025, the parties should be aware of the following:

• No fixed-term tenancies. The landlords can no longer insist on amending the ongoing assured tenancy to become a fixed-term tenancy. Failure to follow these limitations will result not only in amendments being void but also in paying a civil penalty of up to £7,000.
• No uncontrolled increase of rent. An increase in a rent amount cannot be made more than one time per year. Any further rent review will not have any legal effect. On top of that, spontaneous increase is also not possible. Landlords shall follow a statutory process first by notifying their tenants at least 2 months in advance about the intention to increase the rent.

Residential Tenancy Agreements in Scotland

Any changes done to private residential tenancies in Scotland shall be made in writing. Any increase of rent should be communicated well-in advance using the statutory requirements provided by the Private Housing (Tenancies) (Scotland) Act 2016.

Residential Tenancy Agreements in Northern Ireland

In Northern Ireland, private residential tenancies are governed primarily by the Private Tenancies (Northern Ireland) Order 2006. Key points:

• Landlords must give tenants a written statement of tenancy terms. Any changes to those terms must be documented in writing.
• Rent increases require notice to the tenant. Northern Ireland does not currently have the same restrictions on frequency of rent increases as England and Scotland, but landlords should check current guidance from the Housing Executive (NIHE), as this area of law is subject to ongoing development.

Employment Contracts

To create an employment contract variation template, parties should be aware of the following important legal restrictions at play in the UK:

• Consent is required. An employer cannot unilaterally impose a change to an employment contract. Any amendment shall be agreed in writing by both parties. Flexibility clauses are allowed only when it comes to changing technical details of the contract that do not directly affect the employee’s rights, benefits, entitlements or obligations. For example, contact information of the employer, registered business details, mailing address of an employee, etc.
• Written Amendment. Under Section 1 of the Employment Rights Act 1996, any changes to an ongoing worker’s or employee’s contract shall be made in writing as a separate written statement attached to the original contract. Oral amendment of the employment contact is not acceptable.
• No variation can contract out of statutory rights. A contract variation cannot lawfully reduce or remove an employee’s statutory employment rights and cannot be made even if both parties agree to it in writing. For example, an employee’s salary cannot be lower than the National Minimum Wage, statutory sick pay cannot be decreased, working hours cannot be increased, maternity or paternity leave cannot be cancelled, etc. Any compromise of the minimum employee’s contractual rights automatically shall lead to such a clause being void.

Top 5 Legal Considerations Before Using a Contract Variation Agreement

Before entering a contract variation form template in UK, make sure you are aware of the following:

Check the original contract’s variation clause

Before drafting any variation, review the original contract for a variation or amendment clause. Some contracts may not allow any variation whatsoever, while others may impose time limitations within which variations cannot be made.

It is also common for some contracts to establish a specific amendment process for the contract variation. If this is the case, parties must follow it to make the amendment agreement legally valid.

Do not confuse variation with novation

If you plan to change only the party to the original contract, in such a case you deal with a contract novation and not the contract amendment. A contract variation changes the terms of an agreement. A novation replaces one party with another. Signing the wrong type of the contract may have significant legal consequences.

Think about knock-on effects

A change to one clause can have unintended consequences elsewhere in the contract. Make sure the remaining provisions of the contract after amendments are made:

• Do not contradict each other;
• Do not contain reference to removed clauses; or
• Do not contain references to updated clauses with outdated information.

When to use an amendment and restatement agreement instead?

For contracts that have been varied multiple times, an amendment and restatement agreement template may be more appropriate than a simple variation. This type of document restates the entire contract in its current, up-to-date form.

You should think about entering an amendment and restatement agreement template when:

• You have long-lasting contractual relations with your counterparty (for example, a master services contract that was signed years ago);
• You have made lots of rounds of amendments, including removal or replacement of clauses; or
• You or your counterparty insists on signing an amendment and restatement to ensure proper record-keeping of contractual relations between both of you.

Why use this agreement to amend the contract template from FasterDraft?

By customising this template online with FasterDraft, you get the following benefits:

• a fully personalised legal document template suitable for your particular contract;
• a document that reflects the most recent changes of English law;
• a template created by qualified UK solicitors for non-lawyers;
• a document with a clear format and strong legal wording.

How to customise this document template with FasterDraft?

If you need a customisable contract variation template UK, follow a few easy steps below:

1. Click the “Create Document” button.
2. Answer simple questions in the form.
3. Select a template’s format – a contract variation agreement PDF or Word template.
4. Make a payment.

The document is available for instant digital download immediately after the purchase.