Construction Agreement Template for the UK

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What is a Construction Agreement?

A Construction Agreement sets out the legal relationship between someone who wants building work done and the contractor who'll do it. It covers everything from the price and timeline to exactly what work needs completing - like building a new office block or renovating a house.

Under English law, this binding contract protects both sides by spelling out crucial details about payments, building standards, and who's responsible if things go wrong. It typically includes planning permission requirements, health and safety obligations, and insurance needs. Most construction professionals use standard forms like the JCT or NEC contracts, though some prefer custom agreements for specific projects.

Sample clauses: standard wording in a UK construction agreement

9. Payment
9.1 The Contractor shall submit an interim application for payment to the Employer on or before [the last Business Day of each month], stating the sum the Contractor considers due at the relevant due date and the basis on which that sum is calculated.
9.2 The due date for each interim payment is [seven] days after receipt of the application, and the final date for payment is [twenty-one] days after the due date.
9.3 The Employer shall give a payment notice under section 110A of the Housing Grants, Construction and Regeneration Act 1996 not later than five days after the due date, and any pay less notice shall be given not later than [three] Business Days before the final date for payment.
9.4 Where a sum is not paid by the final date for payment, simple interest shall accrue on the unpaid amount at [4]% per annum above the base rate of [the Bank of England] from time to time until payment, which the parties agree is a substantial remedy for the purposes of the Late Payment of Commercial Debts (Interest) Act 1998.

12. Delay, Extension of Time and Liquidated Damages
12.1 The Contractor shall proceed regularly and diligently with the Works and shall complete them by the Completion Date, subject to any extension granted under this clause 12.
12.2 If progress of the Works is or is likely to be delayed by a Relevant Event, the Contractor shall notify the Employer within [ten] Business Days of becoming aware of the delay, giving particulars of its expected effects, and the Employer shall grant such extension of the Completion Date as is fair and reasonable.
12.3 If the Contractor fails to complete the Works by the Completion Date, the Contractor shall pay the Employer liquidated damages at the rate of £[insert] per [week] or part week until practical completion, capped in aggregate at [10]% of the Contract Sum.
12.4 The parties agree that the rate in clause 12.3 is a genuine attempt to pre-estimate the Employer's loss and is the Employer's exclusive remedy for delay to completion.

Illustrative extract showing typical drafting under the law of England and Wales. Documents generated with GenieAI are tailored to your rules, standards and context.

Frequently Asked Questions

When should you use a Construction Agreement?

Use a Construction Agreement any time you're planning building work that goes beyond minor repairs - from home extensions to major commercial developments. This legal framework becomes essential when coordinating with contractors, architects, or other construction professionals on projects lasting more than a few days.

The agreement proves particularly valuable when dealing with complex specifications, multiple contractors, or significant financial commitments. Having it in place before work begins helps prevent disputes, ensures compliance with UK building regulations, and protects both parties if complications arise. For projects over £10,000, a formal Construction Agreement becomes almost mandatory for proper risk management.

What are the different types of Construction Agreement?

Who should typically use a Construction Agreement?

  • Property Owners: Individuals or companies commissioning construction work, responsible for project funding and final approval
  • Main Contractors: Construction companies who manage the overall project and sign the primary Construction Agreement
  • Subcontractors: Specialist trades like electricians or plumbers who work under the main contractor's authority
  • Construction Lawyers: Draft and review agreements to ensure legal compliance and protect client interests
  • Architects: Often involved in agreement preparation, especially regarding design specifications and compliance
  • Quantity Surveyors: Help define costs, materials, and payment schedules within the agreement

How do you write a Construction Agreement?

  • Project Scope: Document detailed specifications, including drawings, materials, and quality standards
  • Timeline Planning: Map out key dates, completion stages, and any penalties for delays
  • Budget Details: Compile costs, payment schedules, and provisions for variations or extra work
  • Party Information: Gather full legal names, addresses, and registration details of all involved parties
  • Insurance Coverage: List required insurance types and minimum coverage amounts
  • Legal Requirements: Check planning permissions, building regulations, and health and safety obligations
  • Document Generation: Use our platform to create a legally-sound agreement that includes all essential elements

What should be included in a Construction Agreement?

  • Party Details: Full legal names, addresses, and company registration numbers of all involved parties
  • Project Scope: Detailed description of work, specifications, materials, and quality standards
  • Payment Terms: Price, payment schedule, retention amounts, and variations procedure
  • Timeline: Start date, completion date, and key milestone dates with any liquidated damages
  • Insurance Requirements: Types and levels of required insurance coverage
  • Dispute Resolution: Clear procedures for handling disagreements and claims
  • Termination Rights: Conditions for contract termination and consequences
  • Governing Law: Explicit statement that English law applies

What's the difference between a Construction Agreement and a Business Acquisition Agreement?

While a Construction Agreement and a Business Acquisition Agreement might both involve property transactions, they serve distinctly different purposes in English law. Let's explore their key differences:

  • Primary Purpose: Construction Agreements govern the building or renovation of property, focusing on work execution and standards. Business Acquisition Agreements handle the complete purchase of business assets or entities
  • Timeline Focus: Construction Agreements detail ongoing project milestones and completion stages. Acquisition agreements typically cover a single transaction point
  • Party Relationships: Construction deals with contractor-client relationships and project delivery. Acquisition involves buyer-seller relationships and ownership transfer
  • Risk Management: Construction focuses on build quality, safety standards, and project completion. Acquisition addresses business continuity, asset valuation, and transfer risks
  • Payment Structure: Construction usually involves staged payments based on completion. Acquisition typically requires lump-sum or structured purchase payments

Why Trust GenieAI?

  • 244,337 businesses have trusted GenieAI to draft 365,360 legal documents (and growing).
  • Across every document GenieAI reviews, the median document carries 4 high-priority risks.
  • Vague or ambiguous wording is the single most common problem, at 14.6% of all issues raised.
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Source: GenieAI internal data Updated 6 hours ago

Reviewed by

Swetha Meenal

Legal Engineer, GenieAI

Swetha Meenal profile photo

A lawyer, legal researcher and legal tech founder, Swetha has built AI products deployed inside Tier 1 firms and enterprises. She ensures GenieAI's alignment with the latest regulation and executes testing on the legal robustness of Genie output.

Reviewed by

Imad Mohammed Nazar

Legal Engineer, GenieAI

Imad Mohammed Nazar profile photo

A Skadden-trained M&A lawyer, Imad advised on cross-border transactions and contractual risk before moving into legal AI. He reviews GenieAI's output for compliance and enforceability across our 150+ supported jurisdictions, as well as facilitating external benchmarking.

Jurisdiction

England & Wales

Publisher

GenieAI

Cost

Free to use

Last updated

About the Construction Agreement

  • Project Scope: Document detailed specifications, including drawings, materials, and quality standards
  • Timeline Planning: Map out key dates, completion stages, and any penalties for delays
  • Budget Details: Compile costs, payment schedules, and provisions for variations or extra work
  • Party Information: Gather full legal names, addresses, and registration details of all involved parties
  • Insurance Coverage: List required insurance types and minimum coverage amounts
  • Legal Requirements: Check planning permissions, building regulations, and health and safety obligations
  • Document Generation: Use our platform to create a legally-sound agreement that includes all essential elements

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