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.
Scheme defaults only. Your contract may set different dates. Work out your own dates.
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
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
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.
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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.
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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.
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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.
When a date is not enough
Fixed-price help from a quantity surveyor with a master’s in construction law, and templates for the notices themselves.
Notice check
£149
Your application, payment notice or pay less notice checked before it goes out, or when one arrives. Written review within 2 working days.
About the notice checkSubcontractor notice pack
£149
Word templates for delay, loss and expense, pay less notices, contra charges, instructions, suspension and adjudication, plus a site records kit.
See the notice packAdjudication readiness review
£495
An independent view on a claim or defence before you spend more, with the fee taken off any further work.
About the review
Free guides
Plain English guides to getting paid, protecting your time and resolving disputes under the Construction Act.
Not been paid? A guide to construction payment disputes
Step by step from checking your dates to interest, suspension and adjudication.
Pay less notices: what they must say and when
What a valid notice must say, when it must arrive, and the mistakes that make it fail.
Construction adjudication: how it works
The fastest route to a binding decision: who can use it, the 28 day timetable, costs and enforcement.
Extension of time: a guide for subcontractors
When to notify delay, what a good notice says, and what to do if the contractor will not extend.
Contra charges and set off: how to challenge them
When a contractor can deduct for cleaning, damage, defects or delay, and how to respond.
Site diaries and records that win construction disputes
What to record each day, how to write it, and how to keep it so it stands up later.
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.