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- Civil engineering
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- Cox Construction Ne Ltd
Company profile · Civil engineering
Cox Construction Ne Ltd
Cox Construction Ne Ltd is a 3-year-old private limited company registered in Sunderland, company number 14801599, one of 44 civil engineering contractors in Sunderland. 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.
Cox Construction Ne Ltd over the years
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 up £3,792 (+11%) on the year before, to £38K.
- Current assets of £56K against £23K owed within a year: 2.5 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £38K | £4,280 | £56K | £23K | 2 |
| 30 Apr 2025 | £34K | £19K | £52K | £25K | 1 |
| 30 Apr 2024 | £4,240 | £42K | £48K | £53K | 2 |
Where Cox Construction Ne Ltd is registered
The registered office is in Sunderland (SR6), in the Sunderland local authority area, North East. Show SR6 9LY on a map.
Other trade companies in SR6
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- JH Power LtdSpecialist contractors
- NR Groundworks Ne LtdCivil engineering
- TLT Ne LimitedMachinery repair and installation
- Mackintosh Repairs & Maintenance LtdElectricians
- Slate Scaffolding LtdScaffolders
- Tekscope LimitedElectricians
- Warm Home Approach LtdInstallers
What happens if Cox Construction Ne 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
- 14801599
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 April 2023 (3 years ago)
- Registered office
- 1 Roker Park Terrace, Sunderland, SR6 9LY
- 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
- 27 February 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 Sunderland
Other active civil engineering contractors registered in Sunderland.
- Cre Rail Ltd2014
- DLF Utilities Ltd2021
- DPH Engineering (North East) Limited2011
- Edmundson Building & Preservation Limited2002
- Eight SQ Project Services Limited2025
- Fibreconnex Ltd2022
- Future Infrastructure Ltd2025
- GBS Engineering Surveys Ltd2007
All civil engineering contractors in Sunderland · All trades in Sunderland · Civil engineering across the UK
Frequently asked questions
When are Cox Construction Ne Ltd's accounts due?
Cox Construction Ne 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 Cox Construction Ne 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 Cox Construction Ne Ltd still trading?
Cox Construction Ne 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 Cox Construction Ne Ltd do?
Cox Construction Ne Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Cox Construction Ne Ltd?
Cox Construction Ne Ltd was incorporated on 14 April 2023, 3 years ago.
What is the penalty if Cox Construction Ne 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 Cox Construction Ne 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.