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- Sol-Lux Limited
Company profile · Electricians
Sol-Lux Limited
Sol-Lux Limited is a 7-year-old private limited company registered in London, company number 11995579, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House.
Sol-Lux Limited over the years
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 £23K (+135.2%) on the year before, to £40K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £93K against £37K owed within a year: 2.5 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £40K | £93K | £37K | 1 | |
| 31 May 2024 | £17K | £76K | £32K | 0 | |
| 31 May 2023 | £6,717 | £71K | £42K | 0 | |
| 31 May 2022 | -£13K | £22K | £14K | 0 | |
| 31 May 2021 | -£13K | £37K | £3,428 | 0 | |
| 31 May 2020 | £100 | 0 |
Where Sol-Lux Limited is registered
The registered office is in London (N7), in the Islington local authority area, London. Show N7 9DP on a map.
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What happens if Sol-Lux 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 11995579
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 May 2019 (7 years ago)
- Registered office
- 39-41 the Busworks, North Road, London, N7 9DP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 10 May 2025
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 London
Other active electrical contractors registered in London.
- Sol-Tech Building Services Limited2022
- Solana NRG Limited2025
- Solar Electrical Ltd2019
- Solar Heaven Installations Ltd2025
- Solar Impression Ltd2026
- Solar LDN Ltd2011
- Solar Nest Ltd2026
- Solar Nexus Limited2026
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Sol-Lux Limited's accounts due?
Sol-Lux Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Sol-Lux Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Sol-Lux Limited still trading?
Sol-Lux Limited is listed as active on the Companies House register (checked 12 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 Sol-Lux Limited do?
Sol-Lux Limited is registered under Electrical installation (SIC 43210).
How old is Sol-Lux Limited?
Sol-Lux Limited was incorporated on 14 May 2019, 7 years ago.
What is the penalty if Sol-Lux 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 Sol-Lux Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.