- Companies
- Machinery repair and installation
- Darlington
- Clean Energy Engineering Ltd
Clean Energy Engineering Ltd
- Company number
- 11606291
- Incorporated
- 5 Oct 20188 years trading
- Registered office
- 45 Lowther Drive, Darlington, County Durham, DL1 4LU
- Nature of business
- Repair of electrical equipment; Electrical installation; Engineering related scientific and technical consulting activities; Other engineering activities
Clean Energy Engineering Ltd is a 8-year-old private limited company registered in Darlington, company number 11606291, one of 40 machinery repair and installation companies in Darlington. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £5,908 (+101.9%) on the year before, to £111.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £49K against £36K owed within a year: 1.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £111 | £49K | £36K | 0 | |
| 31 Oct 2024 | -£5,797 | £36K | £26K | 1 | |
| 31 Oct 2023 | £32 | £11K | £12K | 1 | |
| 31 Oct 2022 | £5,438 | £15K | £9,564 | 0 | |
| 31 Oct 2021 | £546 | £10K | £10K | 0 | |
| 31 Oct 2020 | -£742 | £12K | £12K | 0 | |
| 31 Oct 2019 | -£4,569 | £9 | £4,263 | 0 |
Where Clean Energy Engineering Ltd is registered
The registered office is in Darlington (DL1), in the Darlington local authority area, North East. Show DL1 4LU on a map.
Other trade companies in DL1
- Darlo Car Wash LtdMechanics and garages
- Home by Aym LtdProperty developers
- Simply Gleaming LtdCleaning companies
- Sinead the Cleaning Lady LtdCleaning companies
- BB Optichrome LimitedCleaning companies
- JB Car & Commercials LtdMotor traders
- Egtc LtdLandscapers and gardeners
- LSS Contractors Ne LtdCivil engineering
What happens if Clean Energy Engineering 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11606291
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 October 2018 (8 years ago)
- Registered office
- 45 Lowther Drive, Darlington, County Durham, DL1 4LU
- Nature of business
- Repair of electrical equipment (SIC 33140)
Electrical installation (SIC 43210)
Engineering related scientific and technical consulting activities (SIC 71122)
Other engineering activities (SIC 71129) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 21 August 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Darlington
Other active machinery repair and installation companies registered in Darlington.
- Cuthbert Power Solutions Ltd2025
- Dax Winchester Engineering Ltd2023
- DFL Materials Handling Limited1994
- Diagnose & Fix (Ne) Ltd2016
- Digital Office Solutions (Tyne and Wear) Ltd2005
- Digital Office Solutions Limited1998
- Emmerson Industrial Services Limited2014
- Forward Motion Engineering Limited2016
All machinery repair and installation companies in Darlington · All trades in Darlington · Machinery repair and installation across the UK
Frequently asked questions
When are Clean Energy Engineering Ltd's accounts due?
Clean Energy Engineering Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Clean Energy Engineering Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Clean Energy Engineering Ltd still trading?
Clean Energy Engineering Ltd 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 Clean Energy Engineering Ltd do?
Clean Energy Engineering Ltd is registered under Repair of electrical equipment (SIC 33140); Electrical installation (SIC 43210); Engineering related scientific and technical consulting activities (SIC 71122); Other engineering activities (SIC 71129).
How old is Clean Energy Engineering Ltd?
Clean Energy Engineering Ltd was incorporated on 5 October 2018, 8 years ago.
What is the penalty if Clean Energy Engineering 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 Clean Energy Engineering Ltd 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.