- Companies
- Electricians
- Cardiff
- JK Electrical Group Ltd
JK Electrical Group Ltd
- Company number
- 16157040
- Incorporated
- 31 Dec 20241 year trading
- Registered office
- 7 Heol Llanbedr, Peterston-Super-Ely, Cardiff, South Glamorgan, CF5 6LP
- Nature of business
- Electrical installation
JK Electrical Group Ltd is a 1-year-old private limited company registered in Cardiff, company number 16157040, one of 223 electrical contractors in Cardiff. Companies House shows its accounts as overdue: they were due on 30 September 2026.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where JK Electrical Group Ltd is registered
The registered office is in Cardiff (CF5), in the Vale of Glamorgan local authority area, Wales. Show CF5 6LP on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- MN Projects Co. LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as JK Electrical Group Ltd.
- RK Fire and Electrical LtdElectricians
What happens if JK Electrical Group Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 16157040
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 December 2024 (1 year ago)
- Registered office
- 7 Heol Llanbedr, Peterston-Super-Ely, Cardiff, South Glamorgan, CF5 6LP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 30 December 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 Cardiff
Other active electrical contractors registered in Cardiff.
- Joff Cox Ltd2016
- Johnson's Facilities Management Ltd2023
- JRC Electrical Contract Services Limited2020
- KT Electronics Limited2005
- L C Electrical (Cardiff) Limited2012
- Lightwork Elec Ltd2025
- LLB Electrical Ltd2019
- Lloyd Electrical Contractors Limited2017
All electrical contractors in Cardiff · All trades in Cardiff · Electricians across the UK
Frequently asked questions
When are JK Electrical Group Ltd's accounts due?
JK Electrical Group Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is JK Electrical Group Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 December 2025, due by 30 December 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is JK Electrical Group Ltd still trading?
JK Electrical Group Ltd is listed as active on the Companies House register (checked 12 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 JK Electrical Group Ltd do?
JK Electrical Group Ltd is registered under Electrical installation (SIC 43210).
How old is JK Electrical Group Ltd?
JK Electrical Group Ltd was incorporated on 31 December 2024, 1 year ago.
What is the penalty if JK Electrical Group 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 JK Electrical Group Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.