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- Kieran Nelson Limited
Company profile · Civil engineering
Kieran Nelson Limited
Kieran Nelson Limited is a 1-year-old private limited company registered in London, company number 16618800, 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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Financial snapshot, 2026
From the balance sheet at 30 April 2026, as filed at Companies House.
Where Kieran Nelson Limited is registered
The registered office is in London (N17), in the Haringey local authority area, London. Show N17 6AQ on a map.
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What happens if Kieran Nelson 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 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
- 16618800
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2025 (1 year ago)
- Registered office
- 4 Lido Square, London, N17 6AQ
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 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 London
Other active civil engineering contractors registered in London.
- Kikk Groundworks Utilities & Civil Engineering Ltd2025
- Kilnbridge Structures Ltd2025
- Kimmo-PCM Consultancy Ltd2026
- Kinectid Ltd2021
- Kingdom Energy Limited2019
- Kingsbury Maintenance Division Limited2002
- Kintore Ess Ltd2025
- Kiplight Limited2023
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Kieran Nelson Limited's accounts due?
Kieran Nelson Limited's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is Kieran Nelson Limited'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 Kieran Nelson Limited still trading?
Kieran Nelson Limited is listed as active on the Companies House register (checked 12 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 Kieran Nelson Limited do?
Kieran Nelson Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is Kieran Nelson Limited?
Kieran Nelson Limited was incorporated on 31 July 2025, 1 year ago.
What is the penalty if Kieran Nelson 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 Kieran Nelson Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.