- Companies
- Civil engineering
- London
- John Laing Infrastructure Limited
John Laing Infrastructure Limited
- Company number
- 04401816
- Incorporated
- 22 Mar 200224 years trading
- Registered office
- Space House, the Block, 12 Keeley Street, London, WC2B 4BA
- Nature of business
- Construction of roads and motorways; Financial intermediation not elsewhere classified; Activities of head offices
John Laing Infrastructure Limited is a 24-year-old private limited company registered in London, company number 04401816, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where John Laing Infrastructure Limited is registered
The registered office is in London (WC2B), in the Camden local authority area, London. Show WC2B 4BA on a map.
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What happens if John Laing Infrastructure Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 04401816
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 March 2002 (24 years ago)
- Registered office
- Space House, the Block, 12 Keeley Street, London, WC2B 4BA
- Nature of business
- Construction of roads and motorways (SIC 42110)
Financial intermediation not elsewhere classified (SIC 64999)
Activities of head offices (SIC 70100) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 22 March 2026
- Charges (mortgages)
- 0 outstanding of 5 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
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- Joni-Electrician Ltd2017
- Jordan Painting & Decorating Ltd2018
- Joseph Ward Ltd2026
- Josh Link Ltd2020
- Joshua Oteng Elite TM Ltd2025
- Joule Africa Limited2018
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Frequently asked questions
When are John Laing Infrastructure Limited's accounts due?
John Laing Infrastructure Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is John Laing Infrastructure Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is John Laing Infrastructure Limited still trading?
John Laing Infrastructure Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does John Laing Infrastructure Limited do?
John Laing Infrastructure Limited is registered under Construction of roads and motorways (SIC 42110); Financial intermediation not elsewhere classified (SIC 64999); Activities of head offices (SIC 70100).
How old is John Laing Infrastructure Limited?
John Laing Infrastructure Limited was incorporated on 22 March 2002, 24 years ago.
What is the penalty if John Laing Infrastructure Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View John Laing Infrastructure Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.