- Company number
- 15741068
- Incorporated
- 25 May 20242 years trading
- Registered office
- 24 Goodwood Avenue, Enfield, EN3 5RR
- Nature of business
- Construction of commercial buildings
Okyanus Construction Limited is a 2-year-old private limited company registered in Enfield, company number 15741068, one of 343 building contractors in Enfield. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House.
Where Okyanus Construction Limited is registered
The registered office is in Enfield (EN3), in the Enfield local authority area, London. Show EN3 5RR on a map.
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What happens if Okyanus Construction 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 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
- 15741068
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 May 2024 (2 years ago)
- Registered office
- 24 Goodwood Avenue, Enfield, EN3 5RR
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 21 May 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Enfield
Other active building contractors registered in Enfield.
- Omerta Construction and Services Limited2011
- Optimal Scaffolding Solutions Ltd2025
- Pauly Building Ltd2023
- PDD Building 87 Ltd2018
- Pearl Group Property Management Ltd2025
- Pemmtec Ltd2025
- Pepa Tiling Limited2026
- Pire Construction Ltd2021
All building contractors in Enfield · All trades in Enfield · Builders across the UK
Frequently asked questions
When are Okyanus Construction Limited's accounts due?
Okyanus Construction Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Okyanus Construction Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Okyanus Construction Limited still trading?
Okyanus Construction 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 Okyanus Construction Limited do?
Okyanus Construction Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Okyanus Construction Limited?
Okyanus Construction Limited was incorporated on 25 May 2024, 2 years ago.
What is the penalty if Okyanus Construction 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 Okyanus Construction 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.