Their own payment-practices filing · gov.uk
Costain Limited pays suppliers in 25 days on average — 18 days past its stated terms
Their H1 2026 filing puts the average 18 days past the 7-day term they state.
- Their stated terms
- 7 days
- Paid outside agreed terms
- 18% of invoices
- Paid after 61+ days
- 3%
- Reporting period
- 1 Jan 2026 – 30 Jun 2026
- Source
- their gov.uk filing, filed 31 Jul 2026
Self-reported figures from their statutory filing. How this is compiled.
Terms vs reality · their H1 2026 filing
Paid 18 days past their stated terms
Where their invoices landed · share of all invoices
The pattern · last 6 of 17 reports
19 → 25 days — slowing down
The read · computed from their figures
Costain Limited's H1 2026 filing puts their average at 25 days against stated terms of 7 days; 18% of invoices were paid outside agreed terms and 3% took 61 days or longer. Filed 31 Jul 2026.
The direction is slower: from 19 days in H2 2023 to 25 now — 6 days slower across their last 6 reports.
On the latest reported averages: Faster than 82% of the 394 large companies reporting in construction.
That is 17 statutory periods on record (earliest H1 2018) — a historical record, not a promise for a new invoice.
What they tell their suppliers
In their own words · from the filing
Standard payment terms
Payment terms are agreed with suppliers and subcontractors as part of the contract arrangement and invoices must show the order number. Terms very between 7 days where we have some rental invoices and payment is made once the invoice is processed to 60 days from the date of invoices. The most frequent payment term for supplier within the reporting period is 30 days from the date of the invoice with payment to these suppliers generally made after receiving the statement from the supplier.
Dispute resolution
Costain Limited actively seeks to resolves disputes by discussing with the relevant suppliers and typically involving members of the relevant projects supply chain, procurement and commercial teams and the relevant accounts or accounts payable team. For major suppliers and subcontractors, central procurement will likely be involved and, where necessary, members of management. Where it is not possible to reach agreement, usually on entitlement in relations to subcontractors, several potential dispute resolution methods may be used, most commonly, mediation or adjudication. If it remains impossible to reach agreement, the items may be referred for litigation.
Every statutory report on record
Most recent first.
| Period | Avg days | Outside terms | 61+ days | Filed |
|---|---|---|---|---|
| H1 2026 | 25 | 18% | 3% | 31 Jul 2026 |
| H2 2025 | 20 | 15% | 4% | 30 Jan 2026 |
| H1 2025 | 22 | 12% | 3% | 31 Jul 2025 |
| H2 2024 | 31 | 14% | 2% | 30 Jan 2025 |
| H1 2024 | 20 | 13% | 3% | 30 Jul 2024 |
| H2 2023 | 19 | 10% | 2% | 30 Jan 2024 |
| H1 2023 | 18 | 9% | 1% | 27 Jul 2023 |
| H2 2022 | 19 | 9% | 2% | 31 Jan 2023 |
| H1 2022 | 19 | 12% | 2% | 28 Jul 2022 |
| H2 2021 | 21 | 13% | 3% | 27 Jan 2022 |
| H1 2021 | 25 | 19% | 5% | 28 Jul 2021 |
| H2 2020 | 32 | 26% | 9% | 28 Jan 2021 |
| H1 2020 | 38 | 32% | 10% | 30 Jul 2020 |
| H2 2019 | 32 | 28% | 7% | 28 Jan 2020 |
| H1 2019 | 36 | 39% | 16% | 29 Jul 2019 |
| H2 2018 | 53 | 61% | 24% | 30 Jan 2019 |
| H1 2018 | 59 | 67% | 26% | 31 Jul 2018 |
On the public register · Companies House
Company record
- Status
- Active
- Type
- Private Limited Company
- Incorporated
- 25 Aug 1958
- Registered office
- SEVENTH FLOOR, LONDON, EC3A 8BE
Illustrative · working-capital arithmetic
What a 25-day cycle ties up
A worked example, not a finding. On a hypothetical £12k/month account, at a 25-day vs a 7-day payment cycle.
Late Payment Act. The Late Payment of Commercial Debts (Interest) Act 1998 lets a supplier charge statutory interest and fixed compensation on invoices paid past agreed terms. Work out what a late invoice is worth → Whether it applies depends on your contract — check with an adviser.
Quick answers · Costain Limited
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More large companies in construction
Costain Engineering & Construction Limited · Costain Oil, Gas & Process Limited · Cormac Solutions Limited · Countryside Properties (UK) Limited · Connect Plus (M25) Limited · CRH Fencing & Security Group (UK) Ltd
How UK payment reporting works
What is a Payment Practices Report?
What does "paid outside agreed terms" mean?
How often is this data updated?
Is this official government data?
How this is compiled. Built from official records only: Companies House and the gov.uk payment-practices service. The payment figures are self-reported — companies over the size threshold must file them by law and the board signs them off. No credit-agency data. The numbers are theirs; the plain-English read is ours. This is information compiled from public records under the Open Government Licence v3.0 — not a credit rating and not advice.
The 31-day comparison figure is the median across 6,104 companies with a current statutory report — every sector pooled, not an average of sector medians (how the figure is built).
Report PL-00610201 · latest period to 30 Jun 2026
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