- Companies
- Electricians
- London
- Lightsource Electrical Ltd
Lightsource Electrical Ltd
- Company number
- 12709461
- Incorporated
- 1 Jul 20206 years trading
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Electrical installation
Lightsource Electrical Ltd is a 6-year-old private limited company registered in London, company number 12709461, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £2,168 (+23.1%) on the year before, to -£7,210.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £9,667 against £179 owed within a year: more than 10 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£7,210 | £9,667 | £179 | 1 | |
| 30 Jun 2024 | -£9,378 | £1,735 | 0 | ||
| 30 Jun 2023 | -£3,303 | £1,302 | 0 | ||
| 30 Jun 2022 | -£625 | £2,248 | £3,036 | 0 | |
| 30 Jun 2021 | £726 | £3,726 | £3,245 | 0 |
Where Lightsource Electrical Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
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- R&R Construction Group LtdBuilders
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- Steam Wood Stone LtdFinishing trades
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- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
1,494 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 Lightsource Electrical 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12709461
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 July 2020 (6 years ago)
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 30 June 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 London
Other active electrical contractors registered in London.
- Lightsource LDN Ltd2021
- Lightsource Solutions Ltd2025
- Lil Electrical Limited2021
- Limani Electrical Ltd2025
- Lindens Electrical Ltd2025
- Linex Controls Limited2026
- Link Media Systems Projects Limited2011
- Linsig Ltd2022
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Lightsource Electrical Ltd's accounts due?
Lightsource Electrical Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Lightsource Electrical Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Lightsource Electrical Ltd still trading?
Lightsource Electrical 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 Lightsource Electrical Ltd do?
Lightsource Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Lightsource Electrical Ltd?
Lightsource Electrical Ltd was incorporated on 1 July 2020, 6 years ago.
What is the penalty if Lightsource Electrical 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 Lightsource Electrical 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.