- Companies
- Civil engineering
- London
- Iricon Ltd
Iricon Ltd
- Company number
- 16472328
- Incorporated
- 23 May 20251 year trading
- Registered office
- 56 Myrtle Road, London, N13 5QX
- Nature of business
- Construction of other civil engineering projects n.e.c.
Iricon Ltd is a 1-year-old private limited company registered in London, company number 16472328, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 23 February 2027, and its first CT600 is due at HMRC on 22 May 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Iricon Ltd is registered
The registered office is in London (N13), in the Enfield local authority area, London. Show N13 5QX on a map.
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What happens if Iricon Ltd 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 23 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Feb 2027 to 23 Mar 2027 | £150 |
| 1 to 3 months late | 24 Mar 2027 to 23 May 2027 | £375 |
| 3 to 6 months late | 24 May 2027 to 23 Aug 2027 | £750 |
| More than 6 months late | From 24 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16472328
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 May 2025 (1 year ago)
- Registered office
- 56 Myrtle Road, London, N13 5QX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 22 May 2026
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.
- Irm Offshore Ltd2020
- Iron Space Ltd2025
- Irtish Creation Limited2023
- Isana Engineering Limited2009
- Isei Ltd2026
- Islam TM Ltd2024
- Isle of Tri Ltd2025
- Italservices Ltd2025
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Iricon Ltd's accounts due?
Iricon Ltd's next accounts are due at Companies House by 23 February 2027 (in 134 days), covering the period to 31 May 2026.
When is Iricon Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 22 May 2026, due by 22 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Iricon Ltd still trading?
Iricon Ltd 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 Iricon Ltd do?
Iricon Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Iricon Ltd?
Iricon Ltd was incorporated on 23 May 2025, 1 year ago.
What is the penalty if Iricon Ltd 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 Iricon Ltd 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.