- Companies
- Electricians
- Portsmouth
- No1 Energy Solutions Ltd
No1 Energy Solutions Ltd
- Company number
- 14778718
- Incorporated
- 4 Apr 20233 years trading
- Registered office
- Office 43, 1000 Lakeside, North Harbour, Portsmouth, Hampshire, PO6 3EZ
- Nature of business
- Electrical installation
No1 Energy Solutions Ltd is a 3-year-old private limited company registered in Portsmouth, company number 14778718, one of 148 electrical contractors in Portsmouth. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £20K on the year before, to £20K.
- Current assets of £91K against £72K owed within a year: 1.3 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £20K | £91K | £72K | 2 | |
| 30 Sep 2024 | -£479 | £3,778 | £3,749 | 1 |
Where No1 Energy Solutions Ltd is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 3EZ on a map.
Other trade companies in PO6
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- Cpenw LtdMachinery repair and installation
- Marla Brickwork & Construction LtdProperty developers
- Miracles in Metal LtdMechanics and garages
- FH Fire & Electrical LtdElectricians
- Thomcore LimitedSpecialist contractors
- JMS Southern LtdElectricians
- The Motum Group LtdSpecialist contractors
Also registered at this address
18 other companies use the same registered office as No1 Energy Solutions Ltd.
- Adcredo Construction LtdBuilders
- Ajito Property LimitedBuilders
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- Bellagio Partners LtdBuilders
- City Exhaust and Tyres LtdMechanics and garages
- Clean Portsmouth LimitedCleaning companies
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- Hodge Plumbing & Heating LimitedPlumbers and heating engineers
- Igneous Construction and Development LtdProperty developers
- Paul Onions Plumbing LimitedPlumbers and heating engineers
- Picknick LtdMachinery repair and installation
- Seven Hills Developments LimitedSpecialist contractors
- Solo Building Services LimitedBuilders
- Spiralworks LtdInstallers
- The West London Tile Co LimitedFloor and wall tilers
- Triple Axis LtdProperty developers
- W J Heard Motor Repairs LimitedMechanics and garages
What happens if No1 Energy Solutions 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 14778718
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 April 2023 (3 years ago)
- Registered office
- Office 43, 1000 Lakeside, North Harbour, Portsmouth, Hampshire, PO6 3EZ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 3 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 Portsmouth
Other active electrical contractors registered in Portsmouth.
- Northpoint Services Limited2022
- NRG Installations Ltd2008
- Oakleaf Electrical Solutions Ltd.2012
- Ogp Electrical Solutions Ltd2022
- On Point Electrical Services South Limited2019
- P.L.B Property Services Ltd2025
- Pace Services Southern Limited2003
- Paul Miles Electrical Limited2010
All electrical contractors in Portsmouth · All trades in Portsmouth · Electricians across the UK
Frequently asked questions
When are No1 Energy Solutions Ltd's accounts due?
No1 Energy Solutions Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is No1 Energy Solutions Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is No1 Energy Solutions Ltd still trading?
No1 Energy Solutions 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 No1 Energy Solutions Ltd do?
No1 Energy Solutions Ltd is registered under Electrical installation (SIC 43210).
How old is No1 Energy Solutions Ltd?
No1 Energy Solutions Ltd was incorporated on 4 April 2023, 3 years ago.
What is the penalty if No1 Energy Solutions 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 No1 Energy Solutions 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.