- Companies
- Electricians
- Darlington
- Eternal Energy Limited
Eternal Energy Limited
- Company number
- 07707375
- Incorporated
- 15 Jul 201115 years trading
- Registered office
- 94 Blackwell Lane, Darlington, DL3 8QG
- Nature of business
- Electrical installation
Eternal Energy Limited is a 15-year-old private limited company registered in Darlington, company number 07707375, one of 59 electrical contractors in Darlington. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £2,618 (+26.9%) on the year before, to £12K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £108K against £68K owed within a year: 1.6 times cover.
- 5 employees on average, down from 11 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £12K | £108K | £68K | 5 | |
| 30 Nov 2024 | £9,731 | £156K | £144K | 11 | |
| 30 Nov 2023 | £12K | £190K | £143K | 9 | |
| 30 Nov 2022 | £1,143 | £206K | £394K | £319K | 12 |
| 30 Nov 2021 | £154 | £118K | £330K | £172K | 10 |
| 30 Nov 2020 | £552 | £180K | £133K | 10 | |
| 30 Nov 2019 | £658 | £153K | £128K | 10 | |
| 30 Nov 2018 | £169 | £91K | £57K | ||
| 30 Nov 2017 | £3,560 | £24K | £25K | ||
| 30 Sep 2016 | -£54 | £8,134 | £13K | £17K |
Where Eternal Energy Limited is registered
The registered office is in Darlington (DL3), in the Darlington local authority area, North East. Show DL3 8QG on a map.
Other trade companies in DL3
- Shine With Helen LtdCleaning companies
- RJB Consultants LtdInstallers
- Garry's Car Valeting LtdCleaning companies
- Go Elite Cleaning Services LtdCleaning companies
- BGP Property LtdProperty developers
- Frontier Energy Services LtdPlumbers and heating engineers
- Andrew Morgan Joinery LtdJoiners and carpenters
- Aburns Engineering LtdBuilders
What happens if Eternal Energy 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 07707375
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 July 2011 (15 years ago)
- Registered office
- 94 Blackwell Lane, Darlington, DL3 8QG
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 18 September 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 Darlington
Other active electrical contractors registered in Darlington.
- Evolve Systems Limited2012
- Facility Six Ltd2015
- FWM Electrical Ltd2023
- Harvey Electrical Services (Northern) Limited2012
- HD-HV Limited2026
- Kvar Engineering Services Limited2007
- Kyle Blundell Ltd2026
- Lavelec Electrical Services Ltd2021
All electrical contractors in Darlington · All trades in Darlington · Electricians across the UK
Frequently asked questions
When are Eternal Energy Limited's accounts due?
Eternal Energy Limited's next accounts are due at Companies House by 31 August 2027 (in 321 days), covering the period to 30 November 2026.
When is Eternal Energy Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Eternal Energy Limited still trading?
Eternal Energy 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 Eternal Energy Limited do?
Eternal Energy Limited is registered under Electrical installation (SIC 43210).
How old is Eternal Energy Limited?
Eternal Energy Limited was incorporated on 15 July 2011, 15 years ago.
What is the penalty if Eternal Energy 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 Eternal Energy 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.