- Companies
- Electricians
- Hayes
- Etron Construction Ltd
Etron Construction Ltd
- Company number
- 09618686
- Incorporated
- 2 Jun 201511 years trading
- Registered office
- 63 Mildred Avenue, Hayes, Middlesex, UB3 1TP
- Nature of business
- Electrical installation; Other human health activities
Etron Construction Ltd is a 11-year-old private limited company registered in Hayes, company number 09618686, one of 60 electrical contractors in Hayes. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £1,600 (+13%) on the year before, to -£11K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £31K against £687 owed within a year: more than 10 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£11K | £31K | £687 | 1 | |
| 31 Mar 2024 | -£12K | £34K | £70 | 0 | |
| 31 Mar 2023 | -£16K | £26K | £42K | 0 | |
| 31 Mar 2022 | -£9,314 | £14K | £31K | 0 | |
| 31 Mar 2021 | -£9,451 | £4,606 | £13K | 1 | |
| 31 Mar 2020 | -£720 | £9,743 | £9,743 | 1 | |
| 31 Mar 2019 | -£2,337 | £9,833 | £12K | ||
| 30 Mar 2019 | -£2,337 | £9,833 | £12K | 1 | |
| 31 Mar 2018 | -£4,929 | £7,543 | £12K | ||
| 31 Mar 2017 | -£5,161 | £2,134 | £3,169 | £8,330 |
Who runs and owns Etron Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| C*** K*** | Director | Jun 2015 |
Person with significant control
Where Etron Construction Ltd is registered
The registered office is in Hayes (UB3), in the Hillingdon local authority area, London. Show UB3 1TP on a map.
Other trade companies in UB3
- Rennove LimitedProperty developers
- KSJ Design & Build LtdBuilders
- KCRQ LimitedCleaning companies
- HKR Roofing LtdRoofers
- Syg Development Group LtdProperty developers
- Ironspan Industrial Services LtdMachinery repair and installation
- RK9 LimitedBuilders
- Elite Construction and Roofing LimitedBuilders
What happens if Etron Construction 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 09618686
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 June 2015 (11 years ago)
- Registered office
- 63 Mildred Avenue, Hayes, Middlesex, UB3 1TP
- Nature of business
- Electrical installation (SIC 43210)
Other human health activities (SIC 86900) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 2 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 Hayes
Other active electrical contractors registered in Hayes.
- Fibretech Av Limited2025
- Firepro Safetech Limited2024
- First Division Electrical Limited2019
- Go 2 Electrics Ltd2019
- Grove Electrics Ltd2024
- Hi Tech UK Homes Ltd2024
- Hometech Specialist Ltd2020
- Iq Electrical Installations Ltd2020
All electrical contractors in Hayes · All trades in Hayes · Electricians across the UK
Frequently asked questions
When are Etron Construction Ltd's accounts due?
Etron Construction Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Etron Construction Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Etron Construction Ltd still trading?
Etron Construction 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 Etron Construction Ltd do?
Etron Construction Ltd is registered under Electrical installation (SIC 43210); Other human health activities (SIC 86900).
How old is Etron Construction Ltd?
Etron Construction Ltd was incorporated on 2 June 2015, 11 years ago.
Who runs Etron Construction Ltd?
Etron Construction Ltd has 1 active director, the longest-serving appointed in Jun 2015. Their names and service addresses are on the Companies House register.
Who owns Etron Construction Ltd?
One person or company has significant control of Etron Construction Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Etron Construction 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 Etron Construction 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.