- Companies
- Electricians
- London
- Tetra Engineering Contractors Ltd
Tetra Engineering Contractors Ltd
- Company number
- 12292679
- Incorporated
- 31 Oct 20196 years trading
- Registered office
- 74A High Street Wanstead, London, E11 2RJ
- Nature of business
- Electrical installation; Other construction installation
Tetra Engineering Contractors Ltd is a 6-year-old private limited company registered in London, company number 12292679, one of 3,448 electrical contractors in London. 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 up £363 (+1.2%) on the year before, to £31K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £42K against £52K owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Oct 2025 | £31K | £42K | £52K | 0 | |
| 31 Oct 2024 | £31K | £39K | £45K | 1 | |
| 31 Oct 2023 | £30K | £33K | £35K | 4 | |
| 31 Oct 2022 | £30K | £40K | 4 | ||
| 31 Oct 2021 | £17K | £43K | £101K | 2 | |
| 31 Oct 2020 | £13K | £32K | £78K | 0 |
Where Tetra Engineering Contractors Ltd is registered
The registered office is in London (E11), in the Redbridge local authority area, London. Show E11 2RJ on a map.
Other trade companies in E11
- Yvt 79 LtdBuilders
- Ayadi Services LimitedPlumbers and heating engineers
- Bensliman Services LimitedPlumbers and heating engineers
- Myhomerenew Ltd LtdPlasterers
- Velaron LtdProperty developers
- Hakk Technical Services LtdInstallers
- Meycarwash LtdCleaning companies
- Rose Ave LtdProperty developers
Also registered at this address
12 other companies use the same registered office as Tetra Engineering Contractors Ltd.
- Aspects of Glass and Mirrors LimitedGlaziers
- Blackmur Flooring LimitedProperty developers
- Erect Design and Build LtdSpecialist contractors
- HB Property and Maintenance LtdProperty developers
- Henbendan Cleaning Services LimitedCleaning companies
- K&M Electrical Maintenance LtdElectricians
- Omfc LimitedBuilders
- Ozdemir Deco LtdPainters and decorators
- Rose Ave LtdProperty developers
- Sitoro LtdProperty developers
- Sound Proof Glazing LimitedGlaziers
- Tetra Building Contractors LtdElectricians
What happens if Tetra Engineering Contractors 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
- 12292679
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 October 2019 (6 years ago)
- Registered office
- 74A High Street Wanstead, London, E11 2RJ
- Nature of business
- Electrical installation (SIC 43210)
Other construction installation (SIC 43290) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 17 March 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.
- Tew Power Engineering Limited2025
- TH Electrics Ltd2026
- TH.Es Enterprises Ltd2013
- Thames Glow Limited2015
- Thames Spark Renewables Ltd2022
- THB Works Limited2025
- The Alarm Guys Ltd2019
- The Cycling Sparks Ltd.2017
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Tetra Engineering Contractors Ltd's accounts due?
Tetra Engineering Contractors 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 Tetra Engineering Contractors 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 Tetra Engineering Contractors Ltd still trading?
Tetra Engineering Contractors 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 Tetra Engineering Contractors Ltd do?
Tetra Engineering Contractors Ltd is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290).
How old is Tetra Engineering Contractors Ltd?
Tetra Engineering Contractors Ltd was incorporated on 31 October 2019, 6 years ago.
What is the penalty if Tetra Engineering Contractors 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 Tetra Engineering Contractors 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.