- Companies
- Electricians
- London
- SJ Electrical & Renewable Limited
SJ Electrical & Renewable Limited
- Company number
- 17147066
- Incorporated
- 9 Apr 2026
- Registered office
- Unit 10, Southbrook Mews, London, SE12 8LG
- Nature of business
- Electrical installation
SJ Electrical & Renewable Limited is a newly incorporated private limited company registered in London, company number 17147066, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 9 January 2028, and its first CT600 is due at HMRC on 8 April 2028.
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 SJ Electrical & Renewable Limited is registered
The registered office is in London (SE12), in the Lewisham local authority area, London. Show SE12 8LG on a map.
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- The Vaults Group LtdInstallers
- Vbo Mechanical LimitedBuilders
- Proair Duct Solutions LimitedSpecialist contractors
- VTK Construction LtdCivil engineering
- Afm Projects LtdCleaning companies
- Handy J LtdPainters and decorators
- Euniability LtdProperty developers
Also registered at this address
1 other company uses the same registered office as SJ Electrical & Renewable Limited.
- R B Ambient LtdPlumbers and heating engineers
What happens if SJ Electrical & Renewable 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 9 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Jan 2028 to 9 Feb 2028 | £150 |
| 1 to 3 months late | 10 Feb 2028 to 9 Apr 2028 | £375 |
| 3 to 6 months late | 10 Apr 2028 to 9 Jul 2028 | £750 |
| More than 6 months late | From 10 Jul 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
- 17147066
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 April 2026
- Registered office
- Unit 10, Southbrook Mews, London, SE12 8LG
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 April (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 London
Other active electrical contractors registered in London.
- Sjo Electrical Services Limited2025
- SK Electrical Services (UK) Ltd2012
- Skeem's Electrical Services Ltd2025
- SKT Electrical Automation Ltd2021
- Sky Bizz Ltd2021
- Sky Energy Ltd2019
- Skybart Electrical Ltd2024
- Skyborg Ltd2016
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are SJ Electrical & Renewable Limited's accounts due?
SJ Electrical & Renewable Limited's next accounts are due at Companies House by 9 January 2028 (in 453 days), covering the period to 30 April 2027.
When is SJ Electrical & Renewable Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 8 April 2027, due by 8 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is SJ Electrical & Renewable Limited still trading?
SJ Electrical & Renewable 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 SJ Electrical & Renewable Limited do?
SJ Electrical & Renewable Limited is registered under Electrical installation (SIC 43210).
How old is SJ Electrical & Renewable Limited?
SJ Electrical & Renewable Limited was incorporated on 9 April 2026, less than a year ago.
What is the penalty if SJ Electrical & Renewable 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 SJ Electrical & Renewable 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.