- Companies
- Electricians
- Treorchy
- CDJ Electrical Ltd
CDJ Electrical Ltd
- Company number
- 10119319
- Incorporated
- 12 Apr 201610 years trading
- Registered office
- 77 Bute Street, Treorchy, CF42 6AH
- Nature of business
- Electrical installation
CDJ Electrical Ltd is a 10-year-old private limited company registered in Treorchy, company number 10119319, one of 9 electrical contractors in Treorchy. Its next accounts are due at Companies House on 28 December 2026, and the CT600 for the period to 28 March 2026 is due at HMRC on 28 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 £733 (-20.5%) on the year before, to £2,835.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £2,835 | £325 | 0 | ||
| 31 Mar 2024 | £3,568 | £595 | 0 | ||
| 31 Mar 2023 | £4,456 | £0 | £1,119 | £865 | 0 |
| 31 Mar 2022 | £2,228 | £235 | £1,355 | £2,423 | 0 |
| 31 Mar 2021 | £7,875 | £4,784 | £4,784 | £18K | 0 |
| 31 Mar 2020 | £9,101 | £1,131 | £11K | 1 | |
| 31 Mar 2019 | £6,409 | £559 | £7,422 | £5,414 | |
| 31 Mar 2018 | £73 | £268 | £3,962 | £5,678 | |
| 31 Mar 2017 | £839 | £2,596 | £11K | £12K |
Where CDJ Electrical Ltd is registered
The registered office is in Treorchy (CF42), in the Rhondda Cynon Taf local authority area, Wales. Show CF42 6AH on a map.
Other trade companies in CF42
- Eagle.Pro.Roofing.UK. LtdRoofers
- Valley Flooring LtdFloor and wall tilers
- LL Property Partners LtdProperty developers
- A1 Lifting Operations LimitedCivil engineering
- Lewys Electrical LtdElectricians
- Pro-Renovate LtdProperty developers
- A & K Plastering and Rendering LtdBuilders
- Treorchy Hand Carwash 1 LtdCleaning companies
Also registered at this address
22 other companies use the same registered office as CDJ Electrical Ltd.
- A Helping Hand Commercial Cleaning LimitedCleaning companies
- Concept Carpentry Services LimitedInstallers
- Coresafe Environmental LimitedSpecialist contractors
- Ebt Drylining LtdFinishing trades
- G Richards Builders LtdSpecialist contractors
- Hughes Brothers Roofing LtdRoofers
- Iri Reinforcements & Concrete LimitedCivil engineering
- Jay Hughes Roofing Solutions LimitedRoofers
- K2 Resin Specialists LimitedSpecialist contractors
- Kes Electrical Services South Wales LimitedElectricians
- Lewis.Plumbing.Heating LtdPlumbers and heating engineers
- MDS Heating Installations LimitedElectricians
- MOT & Auto Centre LtdMechanics and garages
- NCJ Drylining LtdPlasterers
- Premier Insulation & Building Treatments LimitedSpecialist contractors
- Pro Renewable UK LtdInstallers
- Pro-Renovate LtdProperty developers
- Sej Roofing LtdRoofers
- South Wales Vent Systems LtdInstallers
- TG Scaffolding (Pontypridd) LtdScaffolders
- The Win-Door Avenue LtdGlaziers
- Watts Scaffolding Services SW LimitedScaffolders
What happens if CDJ Electrical 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 28 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Dec 2026 to 28 Jan 2027 | £150 |
| 1 to 3 months late | 29 Jan 2027 to 28 Mar 2027 | £375 |
| 3 to 6 months late | 29 Mar 2027 to 28 Jun 2027 | £750 |
| More than 6 months late | From 29 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Mar 2027 | £200 |
| 3 months late | 28 Jun 2027 | another £200 |
| 6 months late | 28 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 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
- 10119319
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 April 2016 (10 years ago)
- Registered office
- 77 Bute Street, Treorchy, CF42 6AH
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 28 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 11 April 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 Treorchy
Other active electrical contractors registered in Treorchy.
- Dema Fire & Security Ltd2019
- Kes Electrical Services South Wales Limited2024
- Lewys Electrical Ltd2026
- MDS Heating Installations Limited2024
- NJ Electrical & Son Ltd2025
- A C K L Services Limited2024
- A.E.S Advanced Electrical Systems Ltd2020
- Allsorts Solutions Ltd2020
All electrical contractors in Treorchy · All trades in Treorchy · Electricians across the UK
Frequently asked questions
When are CDJ Electrical Ltd's accounts due?
CDJ Electrical Ltd's next accounts are due at Companies House by 28 December 2026 (in 77 days), covering the period to 28 March 2026.
When is CDJ Electrical Ltd's CT600 due?
The CT600 for the period to 28 March 2026 is due at HMRC by 28 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 December 2026.
Is CDJ Electrical Ltd still trading?
CDJ Electrical 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 CDJ Electrical Ltd do?
CDJ Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is CDJ Electrical Ltd?
CDJ Electrical Ltd was incorporated on 12 April 2016, 10 years ago.
What is the penalty if CDJ Electrical 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 CDJ Electrical 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.