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Consideration, Intention and Certainty
Introduction to Construction Law | Lesson 4 Knowledge Check
Construction variations: consideration, objective intention, certainty and formality
Knowledge Check
Consideration, Intention and Certainty: Test Your Knowledge
This Knowledge Check tests the principles examined in Lesson 4: consideration, contractual intention, certainty and amendment formalities in construction variations. Each question requires the learner to separate formation, enforceability, valuation and evidence rather than treating commercial agreement as a single issue.
The questions apply Williams v Roffey Bros and Nicholls (Contractors) Ltd [1989] EWCA Civ 5, Wells v Devani [2019] UKSC 4, RTS Flexible Systems Ltd v Molkerei Alois Muller GmbH and Co KG [2010] UKSC 14, Rock Advertising Ltd v MWB Business Exchange Centres Ltd [2018] UKSC 24 and Pakistan International Airline Corporation v Times Travel (UK) Ltd [2021] UKSC 40.
This Knowledge Check covers
- Fresh consideration and performance beyond an existing contractual duty
- Practical benefit and the limits of Williams v Roffey Bros
- Economic duress distinguished from commercial urgency
- Objective intention to create immediate legal relations
- Agreements in principle and matters reserved for later agreement
- Objective valuation standards and uncertain price provisions
- Counter-offers, rejection and corresponding acceptance
- Contractual requirements governing amendments
- Estoppel and the need for a separate unequivocal representation
- Existing variation machinery as an alternative payment route
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Legal Disclaimer
This Knowledge Check is provided for educational and professional development purposes only and does not constitute legal advice. The content reflects interpretations and analyses that may not apply to specific circumstances. Contract interpretation depends on specific wording, jurisdiction, and factual context. Always consult qualified legal professionals before making decisions based on this content. SCCSI and its contributors accept no liability for reliance on this material.