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Purchase Agreement Addendum for the United Kingdom

Purchase Agreement Addendum Template for England and Wales

A Purchase Agreement Addendum Template governed by English and Welsh law is a legal document used to modify, amend, or supplement an existing purchase agreement. It provides a standardized framework for parties to document changes to their original agreement while ensuring all modifications comply with relevant UK legislation, including the Sale of Goods Act 1979 and related commercial laws. The document maintains the validity of the original agreement while incorporating agreed changes in a legally binding manner.

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What is a Purchase Agreement Addendum?

The Purchase Agreement Addendum Template is designed for situations where parties need to modify terms of an existing purchase agreement while maintaining its core structure. Common uses include updating pricing, delivery schedules, specifications, or other material terms. This template, governed by English and Welsh law, ensures modifications comply with UK commercial legislation and maintains consistency with the original agreement. It provides a structured approach to documenting changes while preserving the legal enforceability of the underlying contract.

What sections should be included in a Purchase Agreement Addendum?

1. Parties: Identification of parties to the addendum and original agreement

2. Background: Reference to original agreement and reason for addendum

3. Definitions: Key terms used in the addendum, including reference to original agreement definitions

4. Amendments: Specific changes to the original agreement

5. Effect on Original Agreement: Statement confirming all other terms remain in force

6. Execution: Signature blocks and execution requirements

What sections are optional to include in a Purchase Agreement Addendum?

1. Additional Terms: New terms being added to original agreement - use when introducing new provisions not covered in original agreement

2. Price Adjustments: Changes to pricing or payment terms - use when modifying financial terms

3. Timeline Modifications: Changes to delivery or performance schedules - use when adjusting timeframes

4. Regulatory Compliance: Additional compliance requirements - use when addressing new regulatory requirements

What schedules should be included in a Purchase Agreement Addendum?

1. Schedule of Amended Clauses: Detailed list of specific clauses being modified

2. Updated Price Lists: New pricing schedules if prices are being modified

3. Revised Specifications: Updated product or service specifications if being modified

4. Amended Delivery Schedule: Modified delivery or performance timelines

Authors

Alex Denne

Head of Growth (Open Source Law) @ Ƶ | 3 x UCL-Certified in Contract Law & Drafting | 4+ Years Managing 1M+ Legal Documents | Serial Founder & Legal AI Author

Jurisdiction

England and Wales

Publisher

Ƶ

Document Type

Amendment Agreement

Sector

Personal

Cost

Free to use
Relevant legal definitions















Clauses


















Industries

Sale of Goods Act 1979: Primary legislation governing contracts for the sale of goods, defining rights and obligations of buyers and sellers, including quality standards and fitness for purpose requirements

Supply of Goods and Services Act 1982: Legislation applicable when services are included alongside goods, establishing standards for service provision

Consumer Rights Act 2015: Key legislation for B2C transactions, containing consumer protection provisions and defining quality rights and remedies

Unfair Contract Terms Act 1977: Controls the use of exclusion clauses in contracts and establishes reasonableness test for contract terms

Law of Property (Miscellaneous Provisions) Act 1989: Legislation governing contracts involving real property and requirements for contracts to be in writing

Contract Formation Principles: Common law requirements including offer, acceptance, consideration, and intention to create legal relations

Doctrine of Incorporation: Common law principles governing how addendums relate to main agreements and requirements for valid contract variation

UK GDPR: Data protection regulations that must be considered if personal data is processed as part of the purchase agreement

Financial Services and Markets Act 2000: Regulatory framework applicable when purchase involves regulated financial products

Competition Act 1998: Legislation ensuring compliance with competition law in purchase agreements

Teams

Employer, Employee, Start Date, Job Title, Department, Location, Probationary Period, Notice Period, Salary, Overtime, Vacation Pay, Statutory Holidays, Benefits, Bonus, Expenses, Working Hours, Rest Breaks,  Leaves of Absence, Confidentiality, Intellectual Property, Non-Solicitation, Non-Competition, Code of Conduct, Termination,  Severance Pay, Governing Law, Entire Agreemen

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