- Companies
- Civil engineering
- Hull
- Lostsea Limited
Lostsea Limited
- Company number
- 14798619
- Incorporated
- 13 Apr 20233 years trading
- Registered office
- 3 Riley Way, Hull, HU3 6DU
- Nature of business
- Construction of bridges and tunnels
Lostsea Limited is a 3-year-old private limited company registered in Hull, company number 14798619, one of 81 civil engineering contractors in Hull. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £3,953 (-985.8%) on the year before, to -£3,552.
- Current assets of £9,248 against £13K owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£3,552 | £9,248 | £13K | 2 | |
| 30 Apr 2024 | £401 | £9,519 | £9,118 | 2 |
Where Lostsea Limited is registered
The registered office is in Hull (HU3), in the Kingston upon Hull, City of local authority area, Yorkshire and The Humber. Show HU3 6DU on a map.
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What happens if Lostsea 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 14798619
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 April 2023 (3 years ago)
- Registered office
- 3 Riley Way, Hull, HU3 6DU
- Nature of business
- Construction of bridges and tunnels (SIC 42130)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 12 April 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 Hull
Other active civil engineering contractors registered in Hull.
- Lowell Groundworks Limited2020
- Lups (London) Limited2021
- Marney Comms Ltd2025
- McCoid Engineering Services Limited1997
- McSherry Rope Access Ltd2020
- Mitton Construction Limited2025
- MLT Trans Ltd2024
- Nehemiah Civils and Infrastructure Limited2025
All civil engineering contractors in Hull · All trades in Hull · Civil engineering across the UK
Frequently asked questions
When are Lostsea Limited's accounts due?
Lostsea Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Lostsea Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Lostsea Limited still trading?
Lostsea 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 Lostsea Limited do?
Lostsea Limited is registered under Construction of bridges and tunnels (SIC 42130).
How old is Lostsea Limited?
Lostsea Limited was incorporated on 13 April 2023, 3 years ago.
What is the penalty if Lostsea 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 Lostsea 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.