- Companies
- Electricians
- Blackthorn Electrical Contracts Ltd
Blackthorn Electrical Contracts Ltd
- Company number
- NI714681
- Incorporated
- 23 Apr 20242 years trading
- Registered office
- 8 Aylesbury Row, Newtonabbey, BT36 7GJ
- Nature of business
- Electrical installation
Blackthorn Electrical Contracts Ltd is a 2-year-old private limited company registered in Newtonabbey, company number NI714681, one of the UK's electrical contractors. Its next accounts are due at Companies House on 29 January 2027, and the CT600 for the period to 29 April 2026 is due at HMRC on 29 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 29 April 2025, as filed at Companies House.
Where Blackthorn Electrical Contracts Ltd is registered
The registered office is in Newtonabbey (BT36), in the Antrim and Newtownabbey local authority area, Northern Ireland. Show BT36 7GJ on a map.
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- BNB Electrical LimitedElectricians
- NI.Consultancy2026 LtdSpecialist contractors
- B2 Property Group LtdFinishing trades
- Colin McGlinchey LtdMachinery repair and installation
- Mac’S Maintenance LtdFinishing trades
- Glaze and Frame Direct LtdGlaziers
- JH Site Maintenance LtdFacilities management
What happens if Blackthorn Electrical Contracts 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 29 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jan 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 29 Apr 2027 | £375 |
| 3 to 6 months late | 30 Apr 2027 to 29 Jul 2027 | £750 |
| More than 6 months late | From 30 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Apr 2027 | £200 |
| 3 months late | 29 Jul 2027 | another £200 |
| 6 months late | 29 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Apr 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
- NI714681
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2024 (2 years ago)
- Registered office
- 8 Aylesbury Row, Newtonabbey, BT36 7GJ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 29 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 29 April 2025
- Last confirmation statement
- 22 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
Other active electrical contractors.
Frequently asked questions
When are Blackthorn Electrical Contracts Ltd's accounts due?
Blackthorn Electrical Contracts Ltd's next accounts are due at Companies House by 29 January 2027 (in 108 days), covering the period to 29 April 2026.
When is Blackthorn Electrical Contracts Ltd's CT600 due?
The CT600 for the period to 29 April 2026 is due at HMRC by 29 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 January 2027.
Is Blackthorn Electrical Contracts Ltd still trading?
Blackthorn Electrical Contracts 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 Blackthorn Electrical Contracts Ltd do?
Blackthorn Electrical Contracts Ltd is registered under Electrical installation (SIC 43210).
How old is Blackthorn Electrical Contracts Ltd?
Blackthorn Electrical Contracts Ltd was incorporated on 23 April 2024, 2 years ago.
What is the penalty if Blackthorn Electrical Contracts 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 Blackthorn Electrical Contracts 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.