{
  "query": "NEC4 contract quotation assessment criteria UK construction benchmarks 2026",
  "raw_results": [
    {
      "url": "https://archdesk.com/blog/jct-nec-contracts-uk-guide-2026",
      "title": "JCT vs NEC for UK Construction in 2026 - Archdesk",
      "content": "NEC uses the term \"compensation event\" to encompass not only changes to the scope but also a wide range of other events that might impact the contractor's time and/or cost. This includes instructions from the Project Manager, employer-caused delays, unforeseen physical conditions, and certain weather events. The key differentiator is that compensation events are intended to be assessed \"prospectively.\" The contractor submits a quotation detailing both the time and cost impacts of the event, and the Project Manager assesses this before the work associated with the compensation event is carried out. This aims to create clarity and agreement on the impact of changes before they are implemented, significantly reducing the potential for disputes at project closeout. Strict timeframes apply for [...] Challenge: Unexpected ground conditions are encountered, traffic management restrictions change suddenly, and a key supplier faces delays.\n NEC Approach: Each of these events triggers an early warning notice from the party aware of it. This leads to early warning meetings to discuss mitigation. If unmitigated, these become compensation events, with the contractor submitting a quotation for time and cost, which the Project Manager must assess prospectively. The programme is updated monthly to reflect these impacts. [...] ### NEC's Continued Evolution\n\nThe NEC suite continues to expand its reach and applicability. The NEC4 suite, for example, includes contracts for Design, Build and Operate, Alliance Contracting, and Facilities Management, demonstrating its versatility beyond traditional construction into broader service provision and project lifecycles. This adaptability solidifies NEC's position as a forward-looking contract family, well-suited for integrated project delivery models and complex ventures.\n\n### Digital Transformation as a Driver",
      "score": 0.6944897,
      "raw_content": null
    },
    {
      "url": "https://www.ceca.co.uk/wp-content/uploads/2026/01/Course-outlines-NEC4.pdf",
      "title": "[PDF] 2026 CECA NEC4 WORKSHOPS",
      "content": "project. You will learn about: • the main parameters for choice of primary and secondary options • communication forms and consideration of what should be included • early warnings and the production/maintenance of the Early Warning Register • main programme requirements, what should go into a programme and the acceptance criteria • consideration as to which events do or do not constitute compensation events and the resultant process • assessing the Price for Work Done to Date (interim assessments) Recommended for This workshop is recommended for everyone currently or about to be working under an ECC contract including project managers, contract managers, quantity surveyors, clients, consultants, planners, contractors and their supply chain. This session will be suitable for those who are [...] how they should be managed and what the result in each case contractually would be. Attendees of this course will have a much clearer understanding of the change management process within these contracts and how each such compensation event should be identified, managed and assessed from its inception to its final agreement. You will learn about: • what is a compensation event • the separate compensation event processes involved with each event i.e. notification, quotation, assessment, and implementation • the difference and interaction between early warnings and compensation events • the part that the Accepted Programme plays in assessing the time and cost associated with each compensation event • identifying and preparing quotations for compensation events and how they should be [...] This workshop will provide you with a detailed working knowledge of the compensation event process from start to finish. It will identify which events in the first instance would constitute a compensation event. It then takes attendees through the definitive distinct processes associated with each event i.e. notification, quotation, assessment and implementation. The workshop will review how such events should be priced and evaluated, considering elements of risk and also time entitlement in association with the latest Accepted Programme. The workshop then runs through a series of case studies and worked examples to allow attendees to consider and apply the contractual process to a number of given situations to decide how they should be managed and what the result in each case",
      "score": 0.54274267,
      "raw_content": null
    },
    {
      "url": "https://www.necplanningsolutions.co.uk/post/the-future-of-nec-contracts-in-the-uk-a-2035-projection",
      "title": "Future of NEC Contracts in the UK | NEC Planning Solutions",
      "content": "The March 2026 government infrastructure pipeline update refers to 734 planned projects and £718 billion of public and private investment over the next decade. That volume of work requires planning, controls, reporting and change management that functions under pressure, and it creates a sustained market for contractors who can provide it.\n\nThe policy direction still points the same way\n\nThe Construction Playbook's emphasis on early supply chain engagement, outcome-based specifications and collaborative working has not changed. The wider Transforming Infrastructure Performance roadmap points toward greater digital maturity, stronger collaboration and more structured approaches to carbon and performance measurement. [...] The Construction Playbook continues to favour earlier supply chain involvement, integrated timescales and collaborative approaches where they suit the project. NEC has a specific tool in the NEC4 Alliance Contract, designed for multi-party programmes where shared risk and reward models are appropriate. [...] top of page\n\ninfo@necplanningsolutions.co.uk\n\n0330 223 7709\n\nSearch\n\n# The Future of NEC Contracts in the UK: What Contractors Should Prepare for Now\n\n Nov 28, 2025\n 6 min read\n\nUpdated: Mar 31\n\nUpdated March 2026. This article has been revised to reflect current referenced evidence and recent procurement developments.",
      "score": 0.5248093,
      "raw_content": null
    },
    {
      "url": "https://www.gatherinsights.com/en/nec4/response-periods",
      "title": "NEC4 Response Periods: Complete Deadlines Guide - Gather Insights",
      "content": "Stage 3: Assessment (clause 62). The PM has two weeks from the Contractor's last submitted quotation to respond. The PM may accept the quotation, instruct a revised quotation, or make their own assessment under clause 64. If the PM does not reply within two weeks, the Contractor may notify the PM that the quotation is treated as accepted. The Contractor must actively issue this notification — deemed acceptance is not triggered automatically by the passage of time. Once the Contractor issues the notification, the quotation is accepted and the change to the Prices, Completion Date, and Key Dates is final.\n\n## Deemed Acceptance: When Silence Becomes Consent [...] | Design submission acceptance | PM | Period for reply (Contract Data) | 21.2 | Breach; Contractor should re-notify |\n| Subcontracting approval | PM | Period for reply (Contract Data) | 26.3 | Breach; Contractor should re-notify |\n| Defect correction | Contractor | Defect correction period (Contract Data) | 43.2 | PM may arrange correction; cost charged to Contractor |\n| Payment |\n| Payment assessment | PM | Assessment interval (Contract Data, typically 4 weeks) | 50.1 | Breach |\n| Payment to Contractor | Client | 21 days from assessment date (with Option Y(UK)2) | Y2.2 | Interest accrues on the amount due |\n| Dispute Resolution (Option W2 — applicable to most UK contracts) | [...] PLATFORM\n\nPlanRecordReportQS AI Agent\n\nFunctions\n\nFor ContractorsFor ClientsCustomer Stories\n\nWebinars & BlogsSite Diary GuideNEC4 WebinarsEarned Value GuideAbout UsContact UsPlatform Status\n\nISO 27001\n\nISO 9001\n\nCyber Essentials\n\nRICS logo with lion head and text 'RICS Tech partner'.ISO 27001 Information Security Management certification logo with British Assessment Bureau and UKAS Management Systems marks.Blue circular badge with a crane lifting the letter C and text reading 'A Member of the C-Tech Club'.Cyber Essentials Plus logo with a blue checkmark.\n\nGather Insights Limited is a limited company registered in England & Wales. Registered number: 10215108.\n\nCopyright © Gather Insights Limited 2026\n\nQuality PolicyPrivacy Policy\n\nDeliver NEC projects better Free 20-min demo\n\n Book demo",
      "score": 0.4485476,
      "raw_content": null
    },
    {
      "url": "https://www.neccontract.com/news/understanding-the-critical-%E2%80%98f-words%E2%80%99-that-make-nec-contracts-different?srsltid=AfmBOoqSVhjujHOAhM9WGS5suDrZZS0IRQm0s7-2-aTQdL4isD3lNTLd",
      "title": "News | NEC Contracts",
      "content": "When it comes to time, the equivalent clause is 63.5, ‘A delay to the Completion Date is assessed as the length of time that, due to the compensation event, planned Completion is later than planned Completion as shown on the Accepted Programme current at the dividing date.’ Note the only change in NEC4 was the addition of ‘at the dividing date’, which makes this much clearer. While the word ‘forecast’ is missing here, the delay to planned completion to be assessed is based on the forwardlooking accepted programme and so, like cost, assessment of delay is very much a forecast. [...] In most compensation events the very clear ‘dividing date’ will be soon after the occurrence of the event. It is either the date of a project manager’s or supervisor’s action causing the event, or the date the contractor notifies an event. The clause 63.1 assessment rule is used in the contractor’s quotation for the event, in the project manager’s review and, if agreement cannot be reached, in an ultimate project manager’s assessment, as well as, if it comes to it, in an adjudicator’s assessment. [...] ## Forecasting total costs\n\nLastly, in the target and cost-reimbursable options of NEC, which for NEC4 ECC are Options C−F, clause 20.4 requires: ‘The Contractor prepares forecasts of the total Defined Cost for the whole of the works in consultation with the Project Manager and submits them to the Project Manager.’\n\nNote that most contractors will include in that forecast the amount forecast each month rather than just the forecast at the end of the project. Some clients use an additional condition (Z clause) to make that an explicit requirement.",
      "score": 0.41677347,
      "raw_content": null
    }
  ],
  "formatted": "Source: JCT vs NEC for UK Construction in 2026 - Archdesk\nURL: https://archdesk.com/blog/jct-nec-contracts-uk-guide-2026\nNEC uses the term \"compensation event\" to encompass not only changes to the scope but also a wide range of other events that might impact the contractor's time and/or cost. This includes instructions from the Project Manager, employer-caused delays, unforeseen physical conditions, and certain weather events. The key differentiator is that compensation events are intended to be assessed \"prospectively.\" The contractor submits a quotation detailing both the time and cost impacts of the event, and the Project Manager assesses this before the work associated with the compensation event is carried out. This aims to create clarity and agreement on the impact of changes before they are implemented, significantly reducing the potential for disputes at project closeout. Strict timeframes apply for [...] Challenge: Unexpected ground conditions are encountered, traffic management restrictions change suddenly, and a key supplier faces delays. NEC Approach: Each of these events triggers an early warning notice from the party aware of it. This leads to early warning meetings to discuss mitigation. If unmitigated, these become compensation events, with the contractor submitting a quotation for time and cost, which the Project Manager must assess prospectively. The programme is updated monthly to reflect these impacts. [...] ### NEC's Continued Evolution The NEC suite continues to expand its reach and applicability. The NEC4 suite, for example, includes contracts for Design, Build and Operate, Alliance Contracting, and Facilities Management, demonstrating its versatility beyond traditional construction into broader service provision and project lifecycles. This adaptability solidifies NEC's position as a forward-looking contract family, well-suited for integrated project delivery model\n\n---\n\nSource: [PDF] 2026 CECA NEC4 WORKSHOPS\nURL: https://www.ceca.co.uk/wp-content/uploads/2026/01/Course-outlines-NEC4.pdf\nproject. You will learn about: • the main parameters for choice of primary and secondary options • communication forms and consideration of what should be included • early warnings and the production/maintenance of the Early Warning Register • main programme requirements, what should go into a programme and the acceptance criteria • consideration as to which events do or do not constitute compensation events and the resultant process • assessing the Price for Work Done to Date (interim assessments) Recommended for This workshop is recommended for everyone currently or about to be working under an ECC contract including project managers, contract managers, quantity surveyors, clients, consultants, planners, contractors and their supply chain. This session will be suitable for those who are [...] how they should be managed and what the result in each case contractually would be. Attendees of this course will have a much clearer understanding of the change management process within these contracts and how each such compensation event should be identified, managed and assessed from its inception to its final agreement. You will learn about: • what is a compensation event • the separate compensation event processes involved with each event i.e. notification, quotation, assessment, and implementation • the difference and interaction between early warnings and compensation events • the part that the Accepted Programme plays in assessing the time and cost associated with each compensation event • identifying and preparing quotations for compensation events and how they should be [...] This workshop will provide you with a detailed working knowledge of the compensation event process from start to finish. It will identify which events in the first instance would constitute a comp\n\n---\n\nSource: Future of NEC Contracts in the UK | NEC Planning Solutions\nURL: https://www.necplanningsolutions.co.uk/post/the-future-of-nec-contracts-in-the-uk-a-2035-projection\nThe March 2026 government infrastructure pipeline update refers to 734 planned projects and £718 billion of public and private investment over the next decade. That volume of work requires planning, controls, reporting and change management that functions under pressure, and it creates a sustained market for contractors who can provide it. The policy direction still points the same way The Construction Playbook's emphasis on early supply chain engagement, outcome-based specifications and collaborative working has not changed. The wider Transforming Infrastructure Performance roadmap points toward greater digital maturity, stronger collaboration and more structured approaches to carbon and performance measurement. [...] The Construction Playbook continues to favour earlier supply chain involvement, integrated timescales and collaborative approaches where they suit the project. NEC has a specific tool in the NEC4 Alliance Contract, designed for multi-party programmes where shared risk and reward models are appropriate. [...] top of page info@necplanningsolutions.co.uk 0330 223 7709 Search # The Future of NEC Contracts in the UK: What Contractors Should Prepare for Now Nov 28, 2025 6 min read Updated: Mar 31 Updated March 2026. This article has been revised to reflect current referenced evidence and recent procurement developments.\n\n---\n\nSource: NEC4 Response Periods: Complete Deadlines Guide - Gather Insights\nURL: https://www.gatherinsights.com/en/nec4/response-periods\nStage 3: Assessment (clause 62). The PM has two weeks from the Contractor's last submitted quotation to respond. The PM may accept the quotation, instruct a revised quotation, or make their own assessment under clause 64. If the PM does not reply within two weeks, the Contractor may notify the PM that the quotation is treated as accepted. The Contractor must actively issue this notification — deemed acceptance is not triggered automatically by the passage of time. Once the Contractor issues the notification, the quotation is accepted and the change to the Prices, Completion Date, and Key Dates is final. ## Deemed Acceptance: When Silence Becomes Consent [...] | Design submission acceptance | PM | Period for reply (Contract Data) | 21.2 | Breach; Contractor should re-notify | | Subcontracting approval | PM | Period for reply (Contract Data) | 26.3 | Breach; Contractor should re-notify | | Defect correction | Contractor | Defect correction period (Contract Data) | 43.2 | PM may arrange correction; cost charged to Contractor | | Payment | | Payment assessment | PM | Assessment interval (Contract Data, typically 4 weeks) | 50.1 | Breach | | Payment to Contractor | Client | 21 days from assessment date (with Option Y(UK)2) | Y2.2 | Interest accrues on the amount due | | Dispute Resolution (Option W2 — applicable to most UK contracts) | [...] PLATFORM PlanRecordReportQS AI Agent Functions For ContractorsFor ClientsCustomer Stories Webinars & BlogsSite Diary GuideNEC4 WebinarsEarned Value GuideAbout UsContact UsPlatform Status ISO 27001 ISO 9001 Cyber Essentials RICS logo with lion head and text 'RICS Tech partner'.ISO 27001 Information Security Management certification logo with British Assessment Bureau and UKAS Management Systems marks.Blue circular badge with a crane lifti\n\n---\n\nSource: News | NEC Contracts\nURL: https://www.neccontract.com/news/understanding-the-critical-%E2%80%98f-words%E2%80%99-that-make-nec-contracts-different?srsltid=AfmBOoqSVhjujHOAhM9WGS5suDrZZS0IRQm0s7-2-aTQdL4isD3lNTLd\nWhen it comes to time, the equivalent clause is 63.5, ‘A delay to the Completion Date is assessed as the length of time that, due to the compensation event, planned Completion is later than planned Completion as shown on the Accepted Programme current at the dividing date.’ Note the only change in NEC4 was the addition of ‘at the dividing date’, which makes this much clearer. While the word ‘forecast’ is missing here, the delay to planned completion to be assessed is based on the forwardlooking accepted programme and so, like cost, assessment of delay is very much a forecast. [...] In most compensation events the very clear ‘dividing date’ will be soon after the occurrence of the event. It is either the date of a project manager’s or supervisor’s action causing the event, or the date the contractor notifies an event. The clause 63.1 assessment rule is used in the contractor’s quotation for the event, in the project manager’s review and, if agreement cannot be reached, in an ultimate project manager’s assessment, as well as, if it comes to it, in an adjudicator’s assessment. [...] ## Forecasting total costs Lastly, in the target and cost-reimbursable options of NEC, which for NEC4 ECC are Options C−F, clause 20.4 requires: ‘The Contractor prepares forecasts of the total Defined Cost for the whole of the works in consultation with the Project Manager and submits them to the Project Manager.’ Note that most contractors will include in that forecast the amount forecast each month rather than just the forecast at the end of the project. Some clients use an additional condition (Z clause) to make that an explicit requirement."
}