- Companies
- Civil engineering
- London
- Elunk Ltd
Elunk Ltd
- Company number
- 10191727
- Incorporated
- 20 May 201610 years trading
- Registered office
- 10 Delisle Road, London, SE28 0JE
- Nature of business
- Construction of railways and underground railways
Elunk Ltd is a 10-year-old private limited company registered in London, company number 10191727, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £120 (-2.9%) on the year before, to £3,979.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £6,208 against £2,229 owed within a year: 2.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £3,979 | £6,208 | £2,229 | 1 | |
| 30 Jun 2025 | £4,099 | £6,026 | £1,927 | 1 | |
| 30 Jun 2024 | £4,942 | £6,697 | £1,755 | 1 | |
| 30 Jun 2023 | £5,029 | £6,500 | £1,471 | 1 | |
| 30 Jun 2022 | £4,508 | £6,471 | £1,963 | 1 | |
| 30 Jun 2021 | £1,041 | £1,800 | £759 | 1 | |
| 30 Jun 2020 | £991 | £1,751 | £760 | 1 | |
| 30 Jun 2019 | £2,914 | £4,991 | £2,077 | ||
| 30 Jun 2018 | £4,424 | £5,316 | £892 | ||
| 30 Jun 2017 | £2,146 | £2,668 | £503 |
Where Elunk Ltd is registered
The registered office is in London (SE28), in the Greenwich local authority area, London. Show SE28 0JE on a map.
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What happens if Elunk 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 31 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 10191727
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2016 (10 years ago)
- Registered office
- 10 Delisle Road, London, SE28 0JE
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 19 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.
- Elvisco Limited2019
- Elway Limited2020
- Elysium Construction Ltd2016
- Em Fitters Ltd2026
- Emcc Building Services Ltd.2012
- Emdor Ltd2013
- Emerald Built Environment Engineering Consultants Limited2022
- Emg Groundworks Ltd2025
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Elunk Ltd's accounts due?
Elunk Ltd's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is Elunk Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Elunk Ltd still trading?
Elunk 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 Elunk Ltd do?
Elunk Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Elunk Ltd?
Elunk Ltd was incorporated on 20 May 2016, 10 years ago.
What is the penalty if Elunk 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 Elunk 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.