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- 3NC Construction Ltd
Company profile · Civil engineering
3NC Construction Ltd
3NC Construction Ltd is a 1-year-old private limited company registered in Ayr, company number SC844960, one of 17 civil engineering contractors in Ayr. 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 3NC Construction Ltd is registered
The registered office is in Ayr (KA7), in the South Ayrshire local authority area, Scotland. Show KA7 1LL on a map.
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Shared registered office
48 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 3NC Construction 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
- SC844960
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 2025 (1 year ago)
- Registered office
- 35 Newmarket Street, Ayr, KA7 1LL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 10 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 Ayr
Other active civil engineering contractors registered in Ayr.
- Akonstruct Ltd2020
- Alpha Transmission and Distribution Ltd2024
- Asphalt Design Limited2012
- Brian Hodge Operator Services Ltd2024
- DJS Contracts Ltd2025
- Formation Select Ltd2024
- Gavin Lawrie (Surfacing) Limited1972
- JFC Renewables Ltd2023
All civil engineering contractors in Ayr · All trades in Ayr · Civil engineering across the UK
Frequently asked questions
When are 3NC Construction Ltd's accounts due?
3NC Construction 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 3NC Construction 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 3NC Construction Ltd still trading?
3NC Construction 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 3NC Construction Ltd do?
3NC Construction Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is 3NC Construction Ltd?
3NC Construction Ltd was incorporated on 11 April 2025, 1 year ago.
What is the penalty if 3NC Construction 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 3NC Construction Ltd on Companies House for filed documents, officers and the full history.
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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.