- Companies
- Electricians
- Hertford
- JKN Electrical Limited
JKN Electrical Limited
- Company number
- 12686670
- Incorporated
- 20 Jun 20206 years trading
- Registered office
- Office 1, Unit 24 Dicker Mill, Hertford, SG13 7AE
- Nature of business
- Electrical installation
JKN Electrical Limited is a 6-year-old private limited company registered in Hertford, company number 12686670, one of 54 electrical contractors in Hertford. Its next accounts are due at Companies House on 28 March 2027, and the CT600 for the period to 28 June 2026 is due at HMRC on 28 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 £31K (-100%) on the year before, to £5.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £33K against £30K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £5 | £33K | £30K | 2 | |
| 30 Jun 2024 | £31K | £24K | £3,020 | 2 | |
| 30 Jun 2023 | £31K | £170K | £143K | 2 | |
| 30 Jun 2022 | £31K | £59K | £36K | 3 | |
| 30 Jun 2021 | £42K | £43K | £12K | 3 |
Where JKN Electrical Limited is registered
The registered office is in Hertford (SG13), in the East Hertfordshire local authority area, East of England. Show SG13 7AE on a map.
Other trade companies in SG13
- D&M Solutions LtdCleaning companies
- Greenpassionlandscapes LtdLandscapers and gardeners
- Nexum Fire & Security LimitedElectricians
- Bullrig Electrical Services LtdElectricians
- Rule One Hold LimitedCleaning companies
- Simpson and West Construction LtdBuilders
- Better Utility Services LtdCivil engineering
- Herts Caravan Services LtdMachinery repair and installation
What happens if JKN Electrical 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 28 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Mar 2027 to 28 Apr 2027 | £150 |
| 1 to 3 months late | 29 Apr 2027 to 28 Jun 2027 | £375 |
| 3 to 6 months late | 29 Jun 2027 to 28 Sep 2027 | £750 |
| More than 6 months late | From 29 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Jun 2027 | £200 |
| 3 months late | 28 Sep 2027 | another £200 |
| 6 months late | 28 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 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
- 12686670
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2020 (6 years ago)
- Registered office
- Office 1, Unit 24 Dicker Mill, Hertford, SG13 7AE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 28 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 29 November 2025
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 Hertford
Other active electrical contractors registered in Hertford.
- Jones Electrical Contractors Ltd2015
- JW Electrical Solutions Limited2010
- K K Electrical Limited2007
- Mbi Contractors Ltd2017
- MM Electrics Limited2024
- Nexum Fire & Security Limited2026
- Olseen Roofing Ltd2015
- Onezone London Ltd2012
All electrical contractors in Hertford · All trades in Hertford · Electricians across the UK
Frequently asked questions
When are JKN Electrical Limited's accounts due?
JKN Electrical Limited's next accounts are due at Companies House by 28 March 2027 (in 167 days), covering the period to 28 June 2026.
When is JKN Electrical Limited's CT600 due?
The CT600 for the period to 28 June 2026 is due at HMRC by 28 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 March 2027.
Is JKN Electrical Limited still trading?
JKN Electrical 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 JKN Electrical Limited do?
JKN Electrical Limited is registered under Electrical installation (SIC 43210).
How old is JKN Electrical Limited?
JKN Electrical Limited was incorporated on 20 June 2020, 6 years ago.
What is the penalty if JKN Electrical 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 JKN Electrical 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.