- Companies
- Plumbers and heating engineers
- Stockton on Tees
- MMK Plumbing and Heating Ltd
MMK Plumbing and Heating Ltd
- Company number
- 15451753
- Incorporated
- 30 Jan 20242 years trading
- Registered office
- 7 Myrtle Grove, Thornaby, Stockton on Tees, TS17 8AE
- Nature of business
- Plumbing, heat and air-conditioning installation
MMK Plumbing and Heating Ltd is a 2-year-old private limited company registered in Stockton on Tees, company number 15451753, one of 14 plumbing and heating companies in Stockton on Tees. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 up £7,345 on the year before, to £7,445.
- Current assets of £4,481 against £14K owed within a year: 0.3 times cover.
- 2 employees on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £7,445 | £4,481 | £4,481 | £14K | 2 |
| 31 Jan 2025 | £100 | £100 | £100 | 0 |
Where MMK Plumbing and Heating Ltd is registered
The registered office is in Stockton on Tees (TS17), in the Stockton-on-Tees local authority area, North East. Show TS17 8AE on a map.
Other trade companies in TS17
- BJP Technical LimitedElectricians
- Summit Investments Group LtdMotor traders
- Damir Motors LtdMotor traders
- DMP Access LtdBuilders
- SS Offshore Services LimitedSpecialist contractors
- Fortis Trade LtdBuilders
- Agnika LimitedBuilders
- No. 5 Property Innovations LimitedElectricians
What happens if MMK 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 15451753
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 January 2024 (2 years ago)
- Registered office
- 7 Myrtle Grove, Thornaby, Stockton on Tees, TS17 8AE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 29 January 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 Stockton on Tees
Other active plumbing and heating companies registered in Stockton on Tees.
- Mobility Bathing Limited2024
- Pam and U Ltd2024
- S L Breedon Plumbing and Heating Ltd2006
- A & A Ducting Services Limited2006
- Bespoke Heating Ltd2025
- Bespoke Heating Ne Ltd2022
- Djmy Ltd2018
- F & S Plumbing & Heating Ltd2024
All plumbing and heating companies in Stockton on Tees · All trades in Stockton on Tees · Plumbers and heating engineers across the UK
Frequently asked questions
When are MMK Plumbing and Heating Ltd's accounts due?
MMK Plumbing and Heating Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is MMK Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is MMK Plumbing and Heating Ltd still trading?
MMK 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 MMK Plumbing and Heating Ltd do?
MMK Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is MMK Plumbing and Heating Ltd?
MMK Plumbing and Heating Ltd was incorporated on 30 January 2024, 2 years ago.
What is the penalty if MMK 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 MMK 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.