- Companies
- Specialist contractors
- Cardiff
- Black Dragon Engineering Limited
Black Dragon Engineering Limited
- Company number
- 12080598
- Incorporated
- 2 Jul 20197 years trading
- Registered office
- 476A Cowbridge Road East, Cardiff, CF5 1BL
- Nature of business
- Other specialised construction activities n.e.c.
Black Dragon Engineering Limited is a 7-year-old private limited company registered in Cardiff, company number 12080598, one of 173 specialist construction companies 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 down £16K (-96.3%) on the year before, to £634.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £340 against £571 owed within a year: 0.6 times cover.
- 1 employee on average during the year.
- 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 Mar 2025 | £634 | £340 | £340 | £571 | 1 |
| 31 Mar 2024 | £17K | £7,147 | £31K | £15K | 1 |
| 31 Mar 2023 | £11K | £21K | £34K | £13K | 1 |
| 31 Mar 2022 | £2,100 | £37K | £47K | £11K | 1 |
| 31 Mar 2021 | -£4,891 | £22K | £3,383 | 1 | |
| 31 Mar 2020 | £3,155 | £19K | £17K | 1 |
Where Black Dragon Engineering Limited is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 1BL on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- MN Projects Co. LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
Also registered at this address
18 other companies use the same registered office as Black Dragon Engineering Limited.
- Assure Gas LtdInstallers
- B&M Fibre Optic Supplies LtdCivil engineering
- Ben Llewellyn LimitedMachinery repair and installation
- Bryce Building Solutions LtdBuilders
- BWJ Developments LtdBuilders
- Care Hub Lockers LtdCleaning companies
- City Tyre Services (Cardiff) LimitedMechanics and garages
- Ford PMC LimitedProperty developers
- Jcy Exterior Cleaning LtdCleaning companies
- Legion Developments LtdBuilders
- Lewis Site Services LtdCivil engineering
- Paint Logic LimitedPainters and decorators
- Sardis Facilities LimitedCleaning companies
- South Wales Mobile Tyre Services LtdMechanics and garages
- The Mighty Booth LimitedPainters and decorators
- Trojan Fibre Service LtdCivil engineering
- Vale Elite Tiling LtdFloor and wall tilers
- Vortex Transport & Plumbing Solutions LtdPlumbers and heating engineers
What happens if Black Dragon Engineering 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
- 12080598
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 July 2019 (7 years ago)
- Registered office
- 476A Cowbridge Road East, Cardiff, CF5 1BL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 1 July 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Cardiff
Other active specialist construction companies registered in Cardiff.
- Bluebirds Development Co Limited2013
- Bohanna Carpentry Limited2015
- Bright Vue Ltd2012
- Building and Estate Solutions Today Limited2017
- C A Davies Ltd2025
- Cardiff Arms Environmental Services Limited2005
- Cardiff Auto & MOT Centre Ltd2026
- Cardiff Commissioning Limited1988
All specialist construction companies in Cardiff · All trades in Cardiff · Specialist contractors across the UK
Frequently asked questions
When are Black Dragon Engineering Limited's accounts due?
Black Dragon Engineering Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Black Dragon Engineering 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 Black Dragon Engineering Limited still trading?
Black Dragon Engineering 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 Black Dragon Engineering Limited do?
Black Dragon Engineering Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Black Dragon Engineering Limited?
Black Dragon Engineering Limited was incorporated on 2 July 2019, 7 years ago.
What is the penalty if Black Dragon Engineering 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 Black Dragon Engineering 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.