- Companies
- Plumbers and heating engineers
- London
- MJ Plumbing and Heating Ltd
MJ Plumbing and Heating Ltd
- Company number
- 11551461
- Incorporated
- 4 Sep 20188 years trading
- Registered office
- 11 Leof Crescent, London, SE6 3QP
- Nature of business
- Plumbing, heat and air-conditioning installation; Wholesale of hardware, plumbing and heating equipment and supplies
MJ Plumbing and Heating Ltd is a 8-year-old private limited company registered in London, company number 11551461, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 29 December 2027, and the CT600 for the period to 29 March 2027 is due at HMRC on 29 March 2028.
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 £1,441 (-50.3%) on the year before, to £1,425.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £73K against £52K owed within a year: 1.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Mar 2026 | £1,425 | £73K | £52K | 1 | |
| 29 Mar 2025 | £2,866 | £71K | £75K | 1 | |
| 29 Mar 2024 | £8,702 | £111K | £109K | 1 | |
| 30 Mar 2023 | £31K | £44K | £62K | 1 | |
| 30 Mar 2022 | £14K | £32K | £31K | 1 | |
| 31 Mar 2021 | £13K | £21K | £13K | 1 | |
| 29 Sep 2020 | £16K | £26K | £11K | 1 | |
| 29 Sep 2019 | £100 | £100 |
Where MJ Plumbing and Heating Ltd is registered
The registered office is in London (SE6), in the Lewisham local authority area, London. Show SE6 3QP on a map.
Other trade companies in SE6
- FN Build Works LtdSpecialist contractors
- GB Roof Revive LtdPainters and decorators
- Wilson Electrical & Son LtdElectricians
- Hom22 Services LtdCleaning companies
- Above Lifestyle LimitedProperty developers
- DLS Professional Cleaning Services LtdCleaning companies
- Supremcleaning LtdCleaning companies
- Crystal Green LtdCleaning companies
What happens if MJ Plumbing and Heating 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2027 to 29 Jan 2028 | £150 |
| 1 to 3 months late | 30 Jan 2028 to 29 Mar 2028 | £375 |
| 3 to 6 months late | 30 Mar 2028 to 29 Jun 2028 | £750 |
| More than 6 months late | From 30 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Mar 2028 | £200 |
| 3 months late | 29 Jun 2028 | another £200 |
| 6 months late | 29 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Mar 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
- 11551461
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2018 (8 years ago)
- Registered office
- 11 Leof Crescent, London, SE6 3QP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740) - Year end
- 29 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 March 2026
- Last confirmation statement
- 14 March 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 London
Other active plumbing and heating companies registered in London.
- MJF Heating Ltd2021
- MJW Heating Ltd2025
- MK Plumbing & Gas Limited2026
- MKF Plumbing Limited2026
- ML Biomass Ltd2025
- ML Gas Services Ltd2017
- ML Plumbing & Pipefitting Services Ltd2019
- MM Plumbing, Heating & Property Services Ltd2012
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are MJ Plumbing and Heating Ltd's accounts due?
MJ Plumbing and Heating Ltd's next accounts are due at Companies House by 29 December 2027 (in 442 days), covering the period to 29 March 2027.
When is MJ Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 29 March 2027 is due at HMRC by 29 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2027.
Is MJ Plumbing and Heating Ltd still trading?
MJ Plumbing and Heating 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 MJ Plumbing and Heating Ltd do?
MJ Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740).
How old is MJ Plumbing and Heating Ltd?
MJ Plumbing and Heating Ltd was incorporated on 4 September 2018, 8 years ago.
What is the penalty if MJ Plumbing and Heating 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 and Heating 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.