- Companies
- Electricians
- Middlesbrough
- KJN Engineering Limited
KJN Engineering Limited
- Company number
- 14806901
- Incorporated
- 17 Apr 20233 years trading
- Registered office
- 7 Eggleston Court, Riverside Park, Middlesbrough, TS2 1RU
- Nature of business
- Electrical installation
KJN Engineering Limited is a 3-year-old private limited company registered in Middlesbrough, company number 14806901, one of 145 electrical contractors in Middlesbrough. 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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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 £6 (-5.5%) on the year before, to £104.
- Current assets of £11K against £14K owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- 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 | £104 | £11K | £14K | 1 | |
| 30 Apr 2025 | £110 | £15K | £20K | 1 | |
| 30 Apr 2024 | £104 | £20K | £21K | 1 |
Where KJN Engineering Limited is registered
The registered office is in Middlesbrough (TS2), in the Middlesbrough local authority area, North East. Show TS2 1RU on a map.
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Also registered at this address
10 other companies use the same registered office as KJN Engineering Limited.
- Beyond Access LimitedSpecialist contractors
- C & R Tyre Services LtdMechanics and garages
- CFL Motors LtdMotor traders
- Conor Construction LimitedCivil engineering
- Derwent View Scaffolding LimitedScaffolders
- Discovery Construction LtdBuilders
- Discovery Construction Ne LtdBuilders
- Edgenet LtdCivil engineering
- RK Construction and Sons LtdSpecialist contractors
- Sedgefield Commercials LimitedMotor traders
What happens if KJN Engineering 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
- 14806901
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 April 2023 (3 years ago)
- Registered office
- 7 Eggleston Court, Riverside Park, Middlesbrough, TS2 1RU
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 16 April 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Middlesbrough
Other active electrical contractors registered in Middlesbrough.
- KMC Electrical Installations Limited2019
- L G C Electrical Limited2018
- LDW Electrical Ltd2022
- Liam Morrison Ltd2022
- Linthorpeelectrical Ltd2021
- LJH Electrical Services Limited2018
- LLV Electrical Ltd2023
- Longlands Electrical Ltd2026
All electrical contractors in Middlesbrough · All trades in Middlesbrough · Electricians across the UK
Frequently asked questions
When are KJN Engineering Limited's accounts due?
KJN Engineering 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 KJN Engineering 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 KJN Engineering Limited still trading?
KJN Engineering Limited 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 KJN Engineering Limited do?
KJN Engineering Limited is registered under Electrical installation (SIC 43210).
How old is KJN Engineering Limited?
KJN Engineering Limited was incorporated on 17 April 2023, 3 years ago.
What is the penalty if KJN Engineering 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 KJN Engineering Limited 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.