- Companies
- Civil engineering
- Cardiff
- M.D.T. Electrical Limited
M.D.T. Electrical Limited
- Company number
- 04705084
- Incorporated
- 20 Mar 200323 years trading
- Registered office
- Unit 9 Freemans Park, Penarth Road, Cardiff, CF11 8EQ
- Nature of business
- Construction of utility projects for electricity and telecommunications
M.D.T. Electrical Limited is a 23-year-old private limited company registered in Cardiff, company number 04705084, one of 89 civil engineering contractors in Cardiff. 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 £21K (+8.4%) on the year before, to £268K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £400K against £211K owed within a year: 1.9 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 Mar 2025 | £268K | £400K | £211K | 1 | |
| 31 Mar 2024 | £247K | £553K | £378K | 1 | |
| 31 Mar 2023 | £201K | £414K | £198K | 9 | |
| 31 Mar 2022 | £220K | £333K | £92K | 9 |
Who runs and owns M.D.T. Electrical Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| M*** D*** | Director | Mar 2003 |
| M*** D*** | Secretary | Mar 2003 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** S*** | Secretary | Apr 2004 | Mar 2021 |
| K*** S*** | Secretary | Mar 2003 | Mar 2004 |
Person with significant control
Where M.D.T. Electrical Limited is registered
The registered office is in Cardiff (CF11), in the Cardiff local authority area, Wales. Show CF11 8EQ on a map.
Other trade companies in CF11
- DRK Car Sales LimitedMotor traders
- Daily Catering Repairs LtdMachinery repair and installation
- R S Tyres LtdMotor traders
- Cronyx Solutions LimitedBuilders
- Ali Construction Services UK LtdBuilders
- Crown Damp Proofing LtdSpecialist contractors
- Time for You Cardiff LtdCleaning companies
- Logistfix LtdRepair services
What happens if M.D.T. 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 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
- 04705084
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2003 (23 years ago)
- Registered office
- Unit 9 Freemans Park, Penarth Road, Cardiff, CF11 8EQ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 31 March 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 Cardiff
Other active civil engineering contractors registered in Cardiff.
- M.N Engineering Solutions Ltd2025
- Madmax777 Limited2019
- Mann Williams (Cardiff) Limited2012
- McCann & Partners Ltd2005
- McConkey Engineering Ltd2025
- Mid-Air Air Conditioning Ltd2016
- Miller Contractors (Wales) Limited1998
- NJP Consulting Engineers Limited2015
All civil engineering contractors in Cardiff · All trades in Cardiff · Civil engineering across the UK
Frequently asked questions
When are M.D.T. Electrical Limited's accounts due?
M.D.T. Electrical Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is M.D.T. Electrical Limited'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 M.D.T. Electrical Limited still trading?
M.D.T. 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 M.D.T. Electrical Limited do?
M.D.T. Electrical Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is M.D.T. Electrical Limited?
M.D.T. Electrical Limited was incorporated on 20 March 2003, 23 years ago.
Who runs M.D.T. Electrical Limited?
M.D.T. Electrical Limited has 1 active director, the longest-serving appointed in Mar 2003. Their names and service addresses are on the Companies House register.
Who owns M.D.T. Electrical Limited?
One person or company has significant control of M.D.T. Electrical Limited: an individual (owns 75% or more of the shares).
What is the penalty if M.D.T. 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 M.D.T. 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.