- Companies
- Civil engineering
- Enfield
- Electron Engineering Ltd
Electron Engineering Ltd
- Company number
- 13092797
- Incorporated
- 21 Dec 20205 years trading
- Registered office
- 25 Archer Way, Enfield, EN2 8FW
- Nature of business
- Construction of utility projects for electricity and telecommunications; Electrical installation; Engineering design activities for industrial process and production; Engineering related scientific and technical consulting activities
Electron Engineering Ltd is a 5-year-old private limited company registered in Enfield, company number 13092797, one of 56 civil engineering contractors in Enfield. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 down £2,027 (-83.8%) on the year before, to £391.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £5,002 against £5,360 owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | £391 | £5,002 | £5,002 | £5,360 | 0 |
| 31 Oct 2024 | £2,418 | £11K | £13K | £11K | 0 |
| 31 Oct 2023 | £1,864 | £8,739 | £8,739 | £6,875 | 0 |
| 31 Oct 2022 | £4,168 | £9,007 | £16K | £12K | 0 |
| 31 Oct 2021 | £885 | £7,322 | £6,437 | 0 |
Where Electron Engineering Ltd is registered
The registered office is in Enfield (EN2), in the Enfield local authority area, London. Show EN2 8FW on a map.
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What happens if Electron 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 13092797
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 December 2020 (5 years ago)
- Registered office
- 25 Archer Way, Enfield, EN2 8FW
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Electrical installation (SIC 43210)
Engineering design activities for industrial process and production (SIC 71121)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 20 December 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Enfield
Other active civil engineering contractors registered in Enfield.
- Ewango TM Ltd2022
- Ford & Co Consulting Limited2022
- Fta Studio Limited2021
- G & T Richards Consultancy Limited2015
- Gabciana Limited2016
- Glenna Limited2004
- H D Roofing & Building Solutions Ltd2021
- Hinton Utility Services Ltd2025
All civil engineering contractors in Enfield · All trades in Enfield · Civil engineering across the UK
Frequently asked questions
When are Electron Engineering Ltd's accounts due?
Electron Engineering Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Electron Engineering Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Electron Engineering Ltd still trading?
Electron 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 Electron Engineering Ltd do?
Electron Engineering Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Electrical installation (SIC 43210); Engineering design activities for industrial process and production (SIC 71121); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Electron Engineering Ltd?
Electron Engineering Ltd was incorporated on 21 December 2020, 5 years ago.
What is the penalty if Electron 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 Electron 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.