- Companies
- Electricians
- Swansea
- TPN Electrical Engineers Limited
TPN Electrical Engineers Limited
- Company number
- 05263079
- Incorporated
- 18 Oct 200421 years trading
- Registered office
- 11 Axis Court Mallard Way, Swansea Vale, Swansea, SA7 0AJ
- Nature of business
- Electrical installation
TPN Electrical Engineers Limited is a 21-year-old private limited company registered in Swansea, company number 05263079, one of 148 electrical contractors in Swansea. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 up £2,129 (+102.3%) on the year before, to £4,210.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £21K against £10K owed within a year: 2.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £4,210 | £21K | £10K | 1 | |
| 31 Mar 2024 | £2,081 | £29K | £20K | 1 | |
| 31 Mar 2023 | £536 | £36K | £27K | 1 | |
| 31 Mar 2022 | £550 | £37K | £31K | 1 | |
| 31 Mar 2021 | £103 | £34K | £29K | 1 | |
| 31 Mar 2020 | £2,252 | £12K | £10K | 1 | |
| 31 Mar 2019 | £1,415 | £9,576 | £9,116 | ||
| 31 Mar 2018 | £1,967 | £11K | £11K | ||
| 31 Mar 2017 | £2,124 | £12K | £12K | ||
| 31 Mar 2016 | £291 | £1,278 | £6,163 | £10K |
Where TPN Electrical Engineers 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
- Foundry & Co Construction LtdBuilders
- 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
1 other company uses the same registered office as TPN Electrical Engineers Limited.
- Caradog Landscapes LimitedBuilders
What happens if TPN Electrical Engineers 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 05263079
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 October 2004 (21 years ago)
- Registered office
- 11 Axis Court Mallard Way, Swansea Vale, Swansea, SA7 0AJ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 October 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 Swansea
Other active electrical contractors registered in Swansea.
- Tri-Energy Ltd2026
- Truecore Electrics Ltd2025
- Trydan Engineering Ltd2024
- Ulex Energy Ltd2025
- Wave Energy Ltd2026
- Williams Electrical SW Ltd2023
- WLL Wanderer Holding Ltd2026
- A Bright Solution UK Limited2012
All electrical contractors in Swansea · All trades in Swansea · Electricians across the UK
Frequently asked questions
When are TPN Electrical Engineers Limited's accounts due?
TPN Electrical Engineers Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is TPN Electrical Engineers Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is TPN Electrical Engineers Limited still trading?
TPN Electrical Engineers 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 TPN Electrical Engineers Limited do?
TPN Electrical Engineers Limited is registered under Electrical installation (SIC 43210).
How old is TPN Electrical Engineers Limited?
TPN Electrical Engineers Limited was incorporated on 18 October 2004, 21 years ago.
What is the penalty if TPN Electrical Engineers 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 TPN Electrical Engineers 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.