- Companies
- Plumbers and heating engineers
- Newry
- MJ Plumbing Contracts Ltd
MJ Plumbing Contracts Ltd
- Company number
- NI612947
- Incorporated
- 29 May 201214 years trading
- Registered office
- 76B Dublin Road, Kilcoo, Newry, BT34 5JQ
- Nature of business
- Plumbing, heat and air-conditioning installation
MJ Plumbing Contracts Ltd is a 14-year-old private limited company registered in Newry, company number NI612947, one of 72 plumbing and heating companies in Newry. 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 up £91K (+34%) on the year before, to £358K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £470K against £235K owed within a year: 2.0 times cover.
- 6 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £358K | £470K | £235K | 6 | |
| 31 May 2024 | £267K | £328K | £136K | 6 | |
| 31 May 2023 | £180K | £249K | £105K | 8 | |
| 31 May 2022 | £54K | £114K | £61K | 5 | |
| 31 May 2021 | £64K | £135K | £72K | 4 | |
| 31 May 2020 | £62K | £88K | £75K | 2 | |
| 31 May 2019 | £113K | £133K | £67K | ||
| 31 May 2018 | £106K | £143K | £85K | ||
| 31 May 2017 | £106K | £162K | £72K | ||
| 31 May 2016 | £92K | £58K | £150K | £126K |
Where MJ Plumbing Contracts Ltd is registered
The registered office is in Newry (BT34), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT34 5JQ on a map.
Other trade companies in BT34
- JMP Live LimitedElectricians
- SSL Solar & Electrical LimitedElectricians
- Ocn Construction LtdBuilders
- Warren Properties Ireland LimitedBuilders
- Rog Electrical LtdElectricians
- DMN Mechanics LimitedMotor traders
- M & M Consultants Ire LtdSpecialist contractors
- C Quinn Contracts LtdBuilders
What happens if MJ Plumbing 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 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
- NI612947
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 May 2012 (14 years ago)
- Registered office
- 76B Dublin Road, Kilcoo, Newry, BT34 5JQ
- 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
- 15 August 2025
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 Newry
Other active plumbing and heating companies registered in Newry.
- Mooney & Barry Boiler Services Ltd2016
- Mourne Leak Finders Ltd2018
- Murnion Plumbing & Heating Ltd2021
- N Fegan Plumbing & Heating Ltd2025
- Ohph Ltd2018
- P R Plumbing & Gas Services Ltd.2014
- PF Mechanical Ltd2021
- PGM Contracts Ltd2017
All plumbing and heating companies in Newry · All trades in Newry · Plumbers and heating engineers across the UK
Frequently asked questions
When are MJ Plumbing Contracts Ltd's accounts due?
MJ Plumbing Contracts 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 MJ Plumbing Contracts 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 MJ Plumbing Contracts Ltd still trading?
MJ Plumbing Contracts Ltd is listed as active on the Companies House register (checked 13 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 MJ Plumbing Contracts Ltd do?
MJ Plumbing Contracts Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is MJ Plumbing Contracts Ltd?
MJ Plumbing Contracts Ltd was incorporated on 29 May 2012, 14 years ago.
What is the penalty if MJ Plumbing 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 MJ Plumbing Contracts Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.