- Companies
- Electricians
- Slough
- Clean Wave Energy Ltd
Clean Wave Energy Ltd
- Company number
- 14329256
- Incorporated
- 1 Sep 20224 years trading
- Registered office
- 242-242A Farnham Road, Slough, Berks, SL1 4XE
- Nature of business
- Electrical installation
Clean Wave Energy Ltd is a 4-year-old private limited company registered in Slough, company number 14329256, one of 101 electrical contractors in Slough. Its next accounts are due at Companies House on 25 December 2026, and its first CT600 is due at HMRC on 31 March 2026.
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 £14K (+291.9%) on the year before, to £9,380.
- Current assets of £23K against £57K owed within a year: 0.4 times cover.
- 2 employees on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2024 | £9,380 | £23K | £57K | 2 | |
| 31 Mar 2023 | -£4,889 | £21K | £71K | 0 |
Where Clean Wave Energy Ltd is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 4XE on a map.
Other trade companies in SL1
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- Westside Automotive LtdMotor traders
- Shadeworks LtdInstallers
- Yad Building Services LimitedBuilders
- Slough Vehicle Repair Centre LtdMechanics and garages
- Hadi Automotive LtdMotor traders
- Imperial Berkshire Motors LtdMotor traders
- MDN General LtdBuilders
Also registered at this address
12 other companies use the same registered office as Clean Wave Energy Ltd.
- Byrne Electrical Solutions LtdElectricians
- C J Stone Plumbing & Heating LtdPlumbers and heating engineers
- Clark Carpentry & Construction LtdJoiners and carpenters
- CWC Berkshire LtdSpecialist contractors
- D. James Graham Electrical LtdElectricians
- Future Projects Services LtdBuilders
- Hurley Construction LtdInstallers
- Novanta Designs LtdSpecialist contractors
- NSN Carpentry LimitedBuilders
- Paul Mark Kitchens LtdFinishing trades
- Walson Developments LimitedBuilders
- Winter Brickwork & Construction LimitedFinishing trades
What happens if Clean Wave Energy 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 25 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Dec 2026 to 25 Jan 2027 | £150 |
| 1 to 3 months late | 26 Jan 2027 to 25 Mar 2027 | £375 |
| 3 to 6 months late | 26 Mar 2027 to 25 Jun 2027 | £750 |
| More than 6 months late | From 26 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 26 Mar 2027 | £200 |
| 3 months late | 25 Jun 2027 | another £200 |
| 6 months late | 25 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 25 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
- 14329256
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 September 2022 (4 years ago)
- Registered office
- 242-242A Farnham Road, Slough, Berks, SL1 4XE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 27 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2024
- Last confirmation statement
- 31 August 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 Slough
Other active electrical contractors registered in Slough.
- Clever Light Ltd2019
- Coolplanet Ltd2022
- Cube Interiors & Refurbishment Ltd2018
- D. James Graham Electrical Ltd2018
- Dalectrics Ltd2024
- DB Electrical Services (Berks) Ltd2026
- Ekon Electrics Ltd2026
- Electragas Ltd2005
All electrical contractors in Slough · All trades in Slough · Electricians across the UK
Frequently asked questions
When are Clean Wave Energy Ltd's accounts due?
Clean Wave Energy Ltd's next accounts are due at Companies House by 25 December 2026 (in 73 days), covering the period to 25 March 2026.
When is Clean Wave Energy Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 March 2025, due by 31 March 2026, and one for the period to 25 March 2026, due by 25 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Clean Wave Energy Ltd still trading?
Clean Wave Energy Ltd is listed as active on the Companies House register (checked 13 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 Wave Energy Ltd do?
Clean Wave Energy Ltd is registered under Electrical installation (SIC 43210).
How old is Clean Wave Energy Ltd?
Clean Wave Energy Ltd was incorporated on 1 September 2022, 4 years ago.
What is the penalty if Clean Wave Energy 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 Wave Energy Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.