- Company number
- 06684942
- Incorporated
- 1 Sep 200818 years trading
- Registered office
- 3 Hope Street House, Hope Street, Crook, DL15 9HU
- Nature of business
- Construction of commercial buildings
C N K Civils Ltd is a 18-year-old private limited company registered in Crook, company number 06684942, one of 15 building contractors in Crook. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £76K (-171.2%) on the year before, to -£32K.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- Current assets of £67K against £44K owed within a year: 1.5 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£32K | £67K | £44K | 3 | |
| 30 Sep 2024 | £45K | £71K | £222K | 2 | |
| 30 Sep 2023 | £9,612 | £158K | £305K | 2 | |
| 30 Sep 2022 | £47K | £178K | £287K | 3 | |
| 30 Sep 2021 | £78K | £192K | £289K | 4 | |
| 30 Sep 2020 | £117K | £204K | £283K | 2 | |
| 30 Sep 2019 | £161K | £166K | £325K | 2 |
Who runs and owns C N K Civils Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| M*** H*** | Director | Jun 2020 |
| J*** S*** | Secretary | Sep 2008 |
4 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** H*** | Director | Sep 2008 | Nov 2008 |
| J*** H*** | Director | Dec 2010 | Oct 2025 |
| M*** H*** | Director | Nov 2008 | Dec 2010 |
| Y*** J*** | Director | Sep 2008 | Sep 2008 |
Person with significant control
Where C N K Civils Ltd is registered
The registered office is in Crook (DL15), in the County Durham local authority area, North East. Show DL15 9HU on a map.
Other trade companies in DL15
- Investor Project Solutions LtdProperty developers
- N Herron Plumbing & Heating LtdPlumbers and heating engineers
- Caspian Renovations LtdBuilders
- JRL Reach LtdRoofers
- Luka Groundworks LtdLandscapers and gardeners
- Platinum Sparkle Squad LtdCleaning companies
- Designer Groundworks LtdLandscapers and gardeners
- Blaze Plumbing & Heating LimitedPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as C N K Civils Ltd.
- West End Garage (Wolsingham) LtdMechanics and garages
What happens if C N K Civils 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 06684942
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 September 2008 (18 years ago)
- Registered office
- 3 Hope Street House, Hope Street, Crook, DL15 9HU
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 13 October 2025
- Previous names
- Conner Construction Ltd (until 1 Dec 2008)
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Crook
Other active building contractors registered in Crook.
- Cailes Builders Ltd2021
- Caspian Renovations Ltd2026
- Cavaze Property Improvements Ltd2019
- Dbin Ltd2025
- Dgi Property Services Limited2014
- DGK Harris Limited2019
- Durham Developments Group Limited2023
- GH Bathrooms Ltd2024
All building contractors in Crook · All trades in Crook · Builders across the UK
Frequently asked questions
When are C N K Civils Ltd's accounts due?
C N K Civils Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is C N K Civils Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is C N K Civils Ltd still trading?
C N K Civils 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 C N K Civils Ltd do?
C N K Civils Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is C N K Civils Ltd?
C N K Civils Ltd was incorporated on 1 September 2008, 18 years ago.
Who runs C N K Civils Ltd?
C N K Civils Ltd has 1 active director, the longest-serving appointed in Jun 2020. Their names and service addresses are on the Companies House register.
Who owns C N K Civils Ltd?
One person or company has significant control of C N K Civils Ltd: an individual (owns 75% or more of the shares).
What is the penalty if C N K Civils 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 C N K Civils 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.