- Companies
- Plumbers and heating engineers
- Dungannon
- S Cullen Plumbing Ltd
S Cullen Plumbing Ltd
- Company number
- NI739982
- Incorporated
- 22 Apr 2026
- Registered office
- 14 Cookstown Road, Dungannon, BT71 4BE
- Nature of business
- Plumbing, heat and air-conditioning installation
S Cullen Plumbing Ltd is a newly incorporated private limited company registered in Dungannon, company number NI739982, one of 30 plumbing and heating companies in Dungannon. Its next accounts are due at Companies House on 22 January 2028, and its first CT600 is due at HMRC on 21 April 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns S Cullen Plumbing Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** C*** | Director | Apr 2026 |
Person with significant control
Where S Cullen Plumbing Ltd is registered
The registered office is in Dungannon (BT71), in the Mid Ulster local authority area, Northern Ireland. Show BT71 4BE on a map.
Other trade companies in BT71
- Fab Blast NI LtdSpecialist contractors
- Coleman Surfacing LtdCivil engineering
- GLS Contracts LtdBuilders
- JP Cleaning Specialists LtdRoofers
- Roadline Automotive LtdMotor traders
- Glasstech Windscreens Irl LtdMechanics and garages
- CT Vehicle Services LtdMechanics and garages
- House of Automotive LtdMotor traders
What happens if S Cullen Plumbing 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 22 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Jan 2028 to 22 Feb 2028 | £150 |
| 1 to 3 months late | 23 Feb 2028 to 22 Apr 2028 | £375 |
| 3 to 6 months late | 23 Apr 2028 to 22 Jul 2028 | £750 |
| More than 6 months late | From 23 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- NI739982
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 April 2026
- Registered office
- 14 Cookstown Road, Dungannon, BT71 4BE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Dungannon
Other active plumbing and heating companies registered in Dungannon.
- SMG Mechanical Ltd2025
- Sydney Brown & Son Ltd2003
- Synk Bathrooms Ltd2023
- Taq Mechanical Ltd2024
- Amc365 Ltd2025
- Big Bear Stoves Ltd2025
- BJ McGrath Mechanical Ltd2019
- BM Plumbing Limited2025
All plumbing and heating companies in Dungannon · All trades in Dungannon · Plumbers and heating engineers across the UK
Frequently asked questions
When are S Cullen Plumbing Ltd's accounts due?
S Cullen Plumbing Ltd's next accounts are due at Companies House by 22 January 2028 (in 466 days), covering the period to 30 April 2027.
When is S Cullen Plumbing Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 21 April 2027, due by 21 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is S Cullen Plumbing Ltd still trading?
S Cullen Plumbing 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 S Cullen Plumbing Ltd do?
S Cullen Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is S Cullen Plumbing Ltd?
S Cullen Plumbing Ltd was incorporated on 22 April 2026, less than a year ago.
Who runs S Cullen Plumbing Ltd?
S Cullen Plumbing Ltd has 1 active director, the longest-serving appointed in Apr 2026. Their names and service addresses are on the Companies House register.
Who owns S Cullen Plumbing Ltd?
One person or company has significant control of S Cullen Plumbing Ltd: an individual (owns 25% to 50% of the shares).
What is the penalty if S Cullen Plumbing 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 S Cullen Plumbing 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.