- Companies
- Joiners and carpenters
- Swansea
- CNJ Carpentry Co Ltd
CNJ Carpentry Co Ltd
- Company number
- 14913632
- Incorporated
- 5 Jun 20233 years trading
- Registered office
- A V C House, Northampton Lane, Swansea, SA1 4EH
- Nature of business
- Joinery installation
CNJ Carpentry Co Ltd is a 3-year-old private limited company registered in Swansea, company number 14913632, one of 44 joinery companies in Swansea. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £4,336 on the year before, to -£4,151.
- Current assets of £1,944 against £6,095 owed within a year: 0.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£4,151 | £1,944 | £1,944 | £6,095 | 0 |
| 30 Jun 2024 | £185 | £4,491 | £4,676 | 0 |
Where CNJ Carpentry Co Ltd is registered
The registered office is in Swansea (SA1), in the Swansea local authority area, Wales. Show SA1 4EH on a map.
Other trade companies in SA1
- JDS Ringside Customs LtdRepair services
- D & M Carpentry and Construction LimitedCivil engineering
- Westway Window Systems LimitedJoiners and carpenters
- International Classic Car Sales LtdMotor traders
- Edefec LtdBuilders
- Swansea Scaffolding Services LtdScaffolders
- Lou's Paint and Finish LimitedPainters and decorators
- Mesa Property Development LtdProperty developers
Also registered at this address
12 other companies use the same registered office as CNJ Carpentry Co Ltd.
- Bespoke Coatings LtdPainters and decorators
- Black Frame Living LtdProperty developers
- Cymru Guardian Windows LimitedGlaziers
- Gower Coast Landscaping LimitedLandscapers and gardeners
- J.A Plumbing & Bathrooms LimitedPlumbers and heating engineers
- JPM Plumbing and Heating LtdPlumbers and heating engineers
- JTC Carpentry Swansea LimitedProperty developers
- KL Garden & Property Services LtdLandscapers and gardeners
- MHG Swansea LimitedProperty developers
- S Quinn Dec and Spray LimitedPainters and decorators
- Swansea Electrical Solutions LtdElectricians
- Ulex Energy LtdElectricians
What happens if CNJ Carpentry Co 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14913632
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 June 2023 (3 years ago)
- Registered office
- A V C House, Northampton Lane, Swansea, SA1 4EH
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 4 June 2026
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Swansea
Other active joinery companies registered in Swansea.
- D & K Carpentry Contractors Limited2010
- DG Joinery Installations Ltd2019
- Doorworx Joinery Ltd2019
- E L Carpentry Ltd2022
- Edmunds Webster Joinery Limited2017
- Frame King UK Ltd2020
- G & C Carpentry Limited2015
- Greens Construction Ltd2015
All joinery companies in Swansea · All trades in Swansea · Joiners and carpenters across the UK
Frequently asked questions
When are CNJ Carpentry Co Ltd's accounts due?
CNJ Carpentry Co Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is CNJ Carpentry Co Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is CNJ Carpentry Co Ltd still trading?
CNJ Carpentry Co 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 CNJ Carpentry Co Ltd do?
CNJ Carpentry Co Ltd is registered under Joinery installation (SIC 43320).
How old is CNJ Carpentry Co Ltd?
CNJ Carpentry Co Ltd was incorporated on 5 June 2023, 3 years ago.
What is the penalty if CNJ Carpentry Co 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 CNJ Carpentry Co 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.