- Companies
- Electricians
- Treorchy
- NJ Electrical & Son Ltd
NJ Electrical & Son Ltd
- Company number
- 16715515
- Incorporated
- 13 Sep 20251 year trading
- Registered office
- 49 Wyndham Street, Treherbert, Treorchy, CF42 5BS
- Nature of business
- Electrical installation
NJ Electrical & Son Ltd is a 1-year-old private limited company registered in Treorchy, company number 16715515, one of 9 electrical contractors in Treorchy. Its next accounts are due at Companies House on 13 June 2027, and its first CT600 is due at HMRC on 12 September 2027.
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?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for NJ Electrical & Son LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Who runs and owns NJ Electrical & Son Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| N*** J*** | Director | Sep 2025 |
Person with significant control
Where NJ Electrical & Son Ltd is registered
The registered office is in Treorchy (CF42), in the Rhondda Cynon Taf local authority area, Wales. Show CF42 5BS on a map.
Other trade companies in CF42
- Eagle.Pro.Roofing.UK. LtdRoofers
- Valley Flooring LtdFloor and wall tilers
- LL Property Partners LtdProperty developers
- A1 Lifting Operations LimitedCivil engineering
- Lewys Electrical LtdElectricians
- Pro-Renovate LtdProperty developers
- A & K Plastering and Rendering LtdBuilders
- Treorchy Hand Carwash 1 LtdCleaning companies
What happens if NJ Electrical & Son 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 13 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Jun 2027 to 13 Jul 2027 | £150 |
| 1 to 3 months late | 14 Jul 2027 to 13 Sep 2027 | £375 |
| 3 to 6 months late | 14 Sep 2027 to 13 Dec 2027 | £750 |
| More than 6 months late | From 14 Dec 2027 | £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
- 16715515
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 September 2025 (1 year ago)
- Registered office
- 49 Wyndham Street, Treherbert, Treorchy, CF42 5BS
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 Treorchy
Other active electrical contractors registered in Treorchy.
- A C K L Services Limited2024
- A.E.S Advanced Electrical Systems Ltd2020
- Allsorts Solutions Ltd2020
- CDJ Electrical Ltd2016
- Dema Fire & Security Ltd2019
- Kes Electrical Services South Wales Limited2024
- Lewys Electrical Ltd2026
- MDS Heating Installations Limited2024
All electrical contractors in Treorchy · All trades in Treorchy · Electricians across the UK
Frequently asked questions
When are NJ Electrical & Son Ltd's accounts due?
NJ Electrical & Son Ltd's next accounts are due at Companies House by 13 June 2027 (in 243 days), covering the period to 30 September 2026.
When is NJ Electrical & Son 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 12 September 2026, due by 12 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is NJ Electrical & Son Ltd still trading?
NJ Electrical & Son 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 NJ Electrical & Son Ltd do?
NJ Electrical & Son Ltd is registered under Electrical installation (SIC 43210).
How old is NJ Electrical & Son Ltd?
NJ Electrical & Son Ltd was incorporated on 13 September 2025, 1 year ago.
Who runs NJ Electrical & Son Ltd?
NJ Electrical & Son Ltd has 1 active director, the longest-serving appointed in Sep 2025. Their names and service addresses are on the Companies House register.
Who owns NJ Electrical & Son Ltd?
One person or company has significant control of NJ Electrical & Son Ltd: an individual (owns 75% or more of the shares).
What is the penalty if NJ Electrical & Son 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 NJ Electrical & Son 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.