- Companies
- Plumbers and heating engineers
- Dungiven
- SJT Plumbing Ltd
SJT Plumbing Ltd
- Company number
- NI688226
- Incorporated
- 16 May 20224 years trading
- Registered office
- 423A Foreglen Road, Dernaflaw, Dungiven, BT47 4PN
- Nature of business
- Plumbing, heat and air-conditioning installation
SJT Plumbing Ltd is a 4-year-old private limited company registered in Dungiven, company number NI688226, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £25K (-74.1%) on the year before, to £8,846.
- Current assets of £32K against £20K owed within a year: 1.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £8,846 | £32K | £20K | 2 | |
| 31 May 2024 | £34K | £37K | £13K | 2 | |
| 31 May 2023 | £42K | £39 | £40K | £13K | 2 |
Where SJT Plumbing Ltd is registered
The registered office is in Dungiven (BT47), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT47 4PN on a map.
Other trade companies in BT47
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- BDK Consulting LimitedProperty developers
- Oakline Engineering LtdInstallers
- Killew Property Services LimitedFacilities management
- PH Autobody LimitedMechanics and garages
- C Doherty Autos LtdMechanics and garages
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What happens if SJT 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- NI688226
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 May 2022 (4 years ago)
- Registered office
- 423A Foreglen Road, Dernaflaw, Dungiven, BT47 4PN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 14 April 2026
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 Dungiven
Other active plumbing and heating companies registered in Dungiven.
- NW Plumbing and Heating Ltd2022
- A-Mech N.I. Limited2022
- Foyle Mechanical Services Ltd2022
- Kelly Heating Services Ltd2022
- SSS Alleviate Ltd2022
- Dmac Gas Services Ltd2022
- Druids Glen Ltd2022
- Bobs Plumbers Ltd.2022
All plumbing and heating companies in Dungiven · All trades in Dungiven · Plumbers and heating engineers across the UK
Frequently asked questions
When are SJT Plumbing Ltd's accounts due?
SJT Plumbing Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is SJT Plumbing Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is SJT Plumbing Ltd still trading?
SJT 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 SJT Plumbing Ltd do?
SJT Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is SJT Plumbing Ltd?
SJT Plumbing Ltd was incorporated on 16 May 2022, 4 years ago.
What is the penalty if SJT 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 SJT 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.