- Companies
- Plumbers and heating engineers
- Mitcham
- MZ Plumbing Ltd
MZ Plumbing Ltd
- Company number
- 13701234
- Incorporated
- 25 Oct 20214 years trading
- Registered office
- 2 Heyford Road, Mitcham, London, CR4 3EU
- Nature of business
- Plumbing, heat and air-conditioning installation; Joinery installation
MZ Plumbing Ltd is a 4-year-old private limited company registered in Mitcham, company number 13701234, one of 50 plumbing and heating companies in Mitcham. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £11K (+140.9%) on the year before, to £18K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £36K against £18K owed within a year: 2.0 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £18K | £36K | £18K | 2 | |
| 31 Oct 2024 | £7,491 | £17K | £9,355 | 1 | |
| 31 Oct 2023 | £3,449 | £15K | £12K | 1 | |
| 31 Oct 2022 | £494 | £18K | £17K | 1 |
Who runs and owns MZ Plumbing Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** Z*** | Director | Oct 2021 |
Person with significant control
Where MZ Plumbing Ltd is registered
The registered office is in Mitcham (CR4), in the Merton local authority area, London. Show CR4 3EU on a map.
Other trade companies in CR4
- Mendevo LimitedFloor and wall tilers
- Az Auto Body Repair LtdMechanics and garages
- Welcome Maintenance LimitedPainters and decorators
- Fixmot LtdMechanics and garages
- MPB Property Care LtdFinishing trades
- Aoo Building Services LtdBuilders
- LDN Plumbing Heating and Cooling LimitedPlumbers and heating engineers
- Dgha Construction LtdBuilders
What happens if MZ 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 13701234
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2021 (4 years ago)
- Registered office
- 2 Heyford Road, Mitcham, London, CR4 3EU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Joinery installation (SIC 43320) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 24 October 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 Mitcham
Other active plumbing and heating companies registered in Mitcham.
- Nivas Interiors Limited2025
- Octopus Plumbing Ltd2015
- Onegin Mechanical Services Limited2014
- Phil-Good Services Limited2024
- Prism Air Conditioning Limited2003
- PST Installations Limited2022
- PZ Plumber Limited2021
- RJS Utilities Limited2017
All plumbing and heating companies in Mitcham · All trades in Mitcham · Plumbers and heating engineers across the UK
Frequently asked questions
When are MZ Plumbing Ltd's accounts due?
MZ Plumbing Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is MZ Plumbing Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is MZ Plumbing Ltd still trading?
MZ 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 MZ Plumbing Ltd do?
MZ Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Joinery installation (SIC 43320).
How old is MZ Plumbing Ltd?
MZ Plumbing Ltd was incorporated on 25 October 2021, 4 years ago.
Who runs MZ Plumbing Ltd?
MZ Plumbing Ltd has 1 active director, the longest-serving appointed in Oct 2021. Their names and service addresses are on the Companies House register.
Who owns MZ Plumbing Ltd?
One person or company has significant control of MZ Plumbing Ltd: an individual (owns 75% or more of the shares).
What is the penalty if MZ 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 MZ 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.