- Companies
- Plumbers and heating engineers
- London
- Solar Engineering Ltd
Solar Engineering Ltd
- Company number
- 13315230
- Incorporated
- 6 Apr 20215 years trading
- Registered office
- 124 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation
Solar Engineering Ltd is a 5-year-old private limited company registered in London, company number 13315230, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £11K (+34.6%) on the year before, to £44K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £56K against £19K owed within a year: 2.9 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £44K | £56K | £19K | 3 | |
| 30 Apr 2024 | £33K | £45K | £22K | 3 | |
| 30 Apr 2023 | £16K | £23K | 2 | ||
| 30 Apr 2022 | £13K | £17K | 2 |
Who runs and owns Solar Engineering Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| I*** B*** | Director | Apr 2021 |
Person with significant control
Where Solar Engineering Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
1,047 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Solar 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 13315230
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 April 2021 (5 years ago)
- Registered office
- 124 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 8 October 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- Solar Heating Ltd2026
- Solidfix Services Ltd2026
- Solina Plumbing and Heating Ltd2025
- Solo Gas & Plumbing Limited2007
- Solo Gas Engineering & Plumbing Ltd2022
- Sonic Frost Limited2009
- Sonyside Ltd2026
- Sos Heating & Plumbing Ltd2008
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Solar Engineering Ltd's accounts due?
Solar Engineering Ltd's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Solar Engineering Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Solar Engineering Ltd still trading?
Solar 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 Solar Engineering Ltd do?
Solar Engineering Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Solar Engineering Ltd?
Solar Engineering Ltd was incorporated on 6 April 2021, 5 years ago.
Who runs Solar Engineering Ltd?
Solar Engineering Ltd has 1 active director, the longest-serving appointed in Apr 2021. Their names and service addresses are on the Companies House register.
Who owns Solar Engineering Ltd?
One person or company has significant control of Solar Engineering Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Solar 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 Solar 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.