- Companies
- Electricians
- Caerphilly
- Tun Tech Electrical Limited
Tun Tech Electrical Limited
- Company number
- 13142457
- Incorporated
- 19 Jan 20215 years trading
- Registered office
- 8 Brynheulog Terrace, Machen, Caerphilly, CF83 8QB
- Nature of business
- Electrical installation
Tun Tech Electrical Limited is a 5-year-old private limited company registered in Caerphilly, company number 13142457, one of 43 electrical contractors in Caerphilly. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £6,948 (-110.1%) on the year before, to -£13K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £19K against £35K owed within a year: 0.5 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£13K | £19K | £35K | 1 | |
| 31 Jan 2024 | -£6,313 | £22K | £30K | 1 | |
| 31 Jan 2023 | -£2,475 | £18K | £22K | 1 | |
| 31 Jan 2022 | -£2,664 | £9,974 | £14K | 1 |
Who runs and owns Tun Tech Electrical Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| P*** T*** | Director | Jan 2021 |
Person with significant control
Where Tun Tech Electrical Limited is registered
The registered office is in Caerphilly (CF83), in the Caerphilly local authority area, Wales. Show CF83 8QB on a map.
Other trade companies in CF83
- Owen PM LimitedBuilders
- Ecamscymru LtdMachinery repair and installation
- Bee Green Plumbing Solutions LtdPlumbers and heating engineers
- Tyga Constuction LimitedBuilders
- Grip Rip MX LtdMotor traders
- Da' Grave LtdRepair services
- First Class Cleaning Solutions LtdCleaning companies
- Vehicle Accident Repairs Solutions LtdMotor traders
What happens if Tun Tech Electrical Limited 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13142457
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2021 (5 years ago)
- Registered office
- 8 Brynheulog Terrace, Machen, Caerphilly, CF83 8QB
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 18 January 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 Caerphilly
Other active electrical contractors registered in Caerphilly.
- Twisted Pair Technologies Limited2010
- Voltsecure Ltd2021
- Western Electrical Installations Limited2008
- Willtech Systems Ltd2025
- Ajc Electrical Solutions Limited2013
- Andrew Byrne Limited2017
- Art Electrical Contractors Ltd2023
- Aureon Solar Ltd2026
All electrical contractors in Caerphilly · All trades in Caerphilly · Electricians across the UK
Frequently asked questions
When are Tun Tech Electrical Limited's accounts due?
Tun Tech Electrical Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Tun Tech Electrical Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Tun Tech Electrical Limited still trading?
Tun Tech Electrical Limited 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 Tun Tech Electrical Limited do?
Tun Tech Electrical Limited is registered under Electrical installation (SIC 43210).
How old is Tun Tech Electrical Limited?
Tun Tech Electrical Limited was incorporated on 19 January 2021, 5 years ago.
Who runs Tun Tech Electrical Limited?
Tun Tech Electrical Limited has 1 active director, the longest-serving appointed in Jan 2021. Their names and service addresses are on the Companies House register.
Who owns Tun Tech Electrical Limited?
One person or company has significant control of Tun Tech Electrical Limited: an individual (owns 75% or more of the shares).
What is the penalty if Tun Tech Electrical Limited 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 Tun Tech Electrical Limited 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.