- Companies
- Electricians
- Swansea
- J3 Electrical Services Limited
J3 Electrical Services Limited
- Company number
- 10135282
- Incorporated
- 20 Apr 201610 years trading
- Registered office
- 8 Axis Court Mallard Way, Riverside Business Park, Swansea, SA7 0AJ
- Nature of business
- Electrical installation
J3 Electrical Services Limited is a 10-year-old private limited company registered in Swansea, company number 10135282, one of 148 electrical contractors in Swansea. Its next accounts are due at Companies House on 27 January 2027, and the CT600 for the period to 27 April 2026 is due at HMRC on 27 April 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 £21K on the year before, to -£21K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £63K against £48K owed within a year: 1.3 times cover.
- 2 employees on average, down from 3 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 27 Apr 2025 | -£21K | £5,678 | £63K | £48K | 2 |
| 27 Apr 2024 | £303 | £2 | £104K | £60K | 3 |
| 27 Apr 2023 | £442 | £7,295 | £74K | £28K | 3 |
| 29 Apr 2022 | £140 | £0 | £62K | £17K | 3 |
Where J3 Electrical Services Limited is registered
The registered office is in Swansea (SA7), in the Swansea local authority area, Wales. Show SA7 0AJ on a map.
Other trade companies in SA7
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- Pops Power Solutions LtdElectricians
- Perfect Roofing and Home Maintenance LimitedRoofers
- Eveo Engineering LtdElectricians
- Performance Bunker Liner LimitedSpecialist contractors
- Swan Roofing LimitedRoofers
- Air Conditioning & Heat Pumps LimitedPlumbers and heating engineers
- Ogm Pristine Cleaning LtdCleaning companies
Also registered at this address
15 other companies use the same registered office as J3 Electrical Services Limited.
- 6 High Street Holdings LtdProperty developers
- A P Architecture and Planning LtdSpecialist contractors
- Calon Construction LtdBuilders
- CDL Building and Carpentry LimitedBuilders
- Cursio Construction LtdBuilders
- Gex Carpentry LtdSpecialist contractors
- Idl Scaffolding LtdScaffolders
- Jaxx Autos LimitedMechanics and garages
- Lynch Scaffolding System LimitedSpecialist contractors
- MOT and Clutch Specialists LtdMechanics and garages
- NT Framing LtdJoiners and carpenters
- Red Snapper Developments LtdFinishing trades
- SPG Carpentry LtdJoiners and carpenters
- TSCS Ops LimitedProperty developers
- Urban Haus Investments LimitedProperty developers
What happens if J3 Electrical Services 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 27 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Jan 2027 to 27 Feb 2027 | £150 |
| 1 to 3 months late | 28 Feb 2027 to 27 Apr 2027 | £375 |
| 3 to 6 months late | 28 Apr 2027 to 27 Jul 2027 | £750 |
| More than 6 months late | From 28 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 Apr 2027 | £200 |
| 3 months late | 27 Jul 2027 | another £200 |
| 6 months late | 27 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 Apr 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
- 10135282
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 April 2016 (10 years ago)
- Registered office
- 8 Axis Court Mallard Way, Riverside Business Park, Swansea, SA7 0AJ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 27 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 27 April 2025
- Last confirmation statement
- 19 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 Swansea
Other active electrical contractors registered in Swansea.
- Joe Elliot Electrical & Renewables Ltd2023
- Joel Matuschke Electrical Ltd2026
- John Mitchell Electrical Solutions Limited2026
- Jones & Jones Electrical Limited2017
- K J Future Electrics Limited2023
- K R Electrical Services Limited2013
- K R G Electrical Services Ltd2020
- K.Evans Electrical Limited2023
All electrical contractors in Swansea · All trades in Swansea · Electricians across the UK
Frequently asked questions
When are J3 Electrical Services Limited's accounts due?
J3 Electrical Services Limited's next accounts are due at Companies House by 27 January 2027 (in 107 days), covering the period to 27 April 2026.
When is J3 Electrical Services Limited's CT600 due?
The CT600 for the period to 27 April 2026 is due at HMRC by 27 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 January 2027.
Is J3 Electrical Services Limited still trading?
J3 Electrical Services 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 J3 Electrical Services Limited do?
J3 Electrical Services Limited is registered under Electrical installation (SIC 43210).
How old is J3 Electrical Services Limited?
J3 Electrical Services Limited was incorporated on 20 April 2016, 10 years ago.
What is the penalty if J3 Electrical Services 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 J3 Electrical Services 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.