Construction Act deadlines, worked out.

Payment and adjudication dates under the Housing Grants, Construction and Regeneration Act 1996 and the Scheme for Construction Contracts in England and Wales. Free, no sign-up, and nothing you enter leaves your browser.

An example payment timetable Under the Scheme, for a valuation period ending Mon 30 Nov 2026 with the interim application for payment made the same day: payment due Mon 7 Dec 2026, payment notice by Sat 12 Dec 2026, pay less notice by Thu 17 Dec 2026, final date for payment Thu 24 Dec 2026.

Scheme defaults only. Your contract may set different dates. Work out your own dates.

Two calculators, with the rule behind every date

Each date comes with the section of the Act or paragraph of the Scheme it is based on, and a link to read it on legislation.gov.uk.

Payment dates calculator

For any payment under a construction contract, using the Scheme or the dates in your own contract.

  • Payment due date
  • Payment notice and pay less notice deadlines
  • Final date for payment
  • What happens if the payer gives no payment notice
Work out payment dates

Adjudication timetable

From the notice of adjudication to the decision, under the Scheme for Construction Contracts.

  • Last day to refer the dispute
  • Deadlines for appointing the adjudicator
  • Decision due at 28 days, or 42 with consent
  • Recalculate from the actual referral date
Work out adjudication dates

Dates you can check

The calculators follow the Act and the Scheme for England and Wales, for contracts made on or after 1 October 2011.

  • Straight from the legislation

    Every date shows the rule it comes from and how it was counted, with a link to the section or paragraph on legislation.gov.uk.

  • Bank holidays left out

    Christmas Day, Good Friday and bank holidays in England and Wales are left out of the count, as section 116 requires, using gov.uk dates for 2019 to 2028.

  • Private by design

    Everything runs in your browser. There are no accounts, no cookies and no tracking, and nothing you enter is sent anywhere.

A guide, not legal advice. Your contract may set different dates, and the facts of your case matter. Check your contract and take advice before relying on a date.

Need help with a payment dispute or adjudication?

Mill Court Consultants are contract, commercial and claims consultants working across offshore wind, power, infrastructure and building. We help contractors and subcontractors with payment disputes, construction claims and adjudication, from the first notice to the decision.