- Companies
- Civil engineering
- London
- Teletron Environmental Engineering Ltd
Teletron Environmental Engineering Ltd
- Company number
- 13433706
- Incorporated
- 2 Jun 20215 years trading
- Registered office
- 126 East Ferry Road, Canary Wharf, London, E14 9FP
- Nature of business
- Construction of other civil engineering projects n.e.c.; Engineering design activities for industrial process and production; Other research and experimental development on natural sciences and engineering; Security systems service activities
Teletron Environmental Engineering Ltd is a 5-year-old private limited company registered in London, company number 13433706, one of 1,853 civil engineering 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 unchanged on the year before, at £31K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £9,096 against £40K owed within a year: 0.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £31K | £9,096 | £40K | 1 | |
| 30 Jun 2024 | £31K | £9,096 | £40K | 1 | |
| 30 Jun 2023 | £17K | £8,398 | £25K | 0 | |
| 30 Jun 2022 | £4,205 | £8,398 | £13K | 0 |
Who runs and owns Teletron Environmental Engineering Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| G*** P*** | Director | Jun 2021 |
Person with significant control
Where Teletron Environmental Engineering Ltd is registered
The registered office is in London (E14), in the Tower Hamlets local authority area, London. Show E14 9FP on a map.
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Also registered at this address
15 other companies use the same registered office as Teletron Environmental Engineering Ltd.
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What happens if Teletron Environmental 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 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
- 13433706
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 June 2021 (5 years ago)
- Registered office
- 126 East Ferry Road, Canary Wharf, London, E14 9FP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Engineering design activities for industrial process and production (SIC 71121)
Other research and experimental development on natural sciences and engineering (SIC 72190)
Security systems service activities (SIC 80200) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 June 2026
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 London
Other active civil engineering contractors registered in London.
- Temmy Enterprices Limited2015
- Teranet UK Ltd2012
- Terrabase Engineering Ltd2025
- Terracore Groundworks Ltd2026
- Teskaf Ltd2015
- Teznocorp Ltd2026
- TGC Engineering UK Ltd2025
- TGH Nova Limited2025
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Teletron Environmental Engineering Ltd's accounts due?
Teletron Environmental Engineering Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Teletron Environmental Engineering 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 Teletron Environmental Engineering Ltd still trading?
Teletron Environmental 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 Teletron Environmental Engineering Ltd do?
Teletron Environmental Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Engineering design activities for industrial process and production (SIC 71121); Other research and experimental development on natural sciences and engineering (SIC 72190); Security systems service activities (SIC 80200).
How old is Teletron Environmental Engineering Ltd?
Teletron Environmental Engineering Ltd was incorporated on 2 June 2021, 5 years ago.
Who runs Teletron Environmental Engineering Ltd?
Teletron Environmental Engineering Ltd has 1 active director, the longest-serving appointed in Jun 2021. Their names and service addresses are on the Companies House register.
Who owns Teletron Environmental Engineering Ltd?
One person or company has significant control of Teletron Environmental Engineering Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Teletron Environmental 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 Teletron Environmental 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.