- Companies
- Machinery repair and installation
- London
- KCN Marine Ltd
KCN Marine Ltd
- Company number
- 16052614
- Incorporated
- 31 Oct 20241 year trading
- Registered office
- Office 403 Screenworks, 22 Highbury Grove, London, N5 2ER
- Nature of business
- Repair and maintenance of ships and boats; Management consultancy activities other than financial management
KCN Marine Ltd is a 1-year-old private limited company registered in London, company number 16052614, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 30 September 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where KCN Marine Ltd is registered
The registered office is in London (N5), in the Islington local authority area, London. Show N5 2ER on a map.
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- Team Lancelot LtdFinishing trades
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- Hazel Ozrenk Studio LtdFinishing trades
- Impoluto LtdCleaning companies
- Intechart LtdBuilders
Shared registered office
108 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if KCN Marine 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16052614
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 October 2024 (1 year ago)
- Registered office
- Office 403 Screenworks, 22 Highbury Grove, London, N5 2ER
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 30 October 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in London
Other active machinery repair and installation companies registered in London.
- Kdowholdings Ltd2026
- KDXZ Ltd2023
- Keel & Harbour Ltd2026
- Keep U Going 365 Ltd2022
- Keepfly Ltd2026
- Keles Repair Services Ltd2021
- Kengold Enterprises Limited2005
- Kensal Rise Plumbers Ltd2013
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are KCN Marine Ltd's accounts due?
KCN Marine Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is KCN Marine Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is KCN Marine Ltd still trading?
KCN Marine 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 KCN Marine Ltd do?
KCN Marine Ltd is registered under Repair and maintenance of ships and boats (SIC 33150); Management consultancy activities other than financial management (SIC 70229).
How old is KCN Marine Ltd?
KCN Marine Ltd was incorporated on 31 October 2024, 1 year ago.
What is the penalty if KCN Marine 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 KCN Marine 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.