- Companies
- Plumbers and heating engineers
- Knottingley
- MMBS Plumbing and Heating Ltd
MMBS Plumbing and Heating Ltd
- Company number
- 08499055
- Incorporated
- 22 Apr 201313 years trading
- Registered office
- 26 26 Firtree Tree Court, Knottingley, WF11 8FA
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.; Freight transport by road
MMBS Plumbing and Heating Ltd is a 13-year-old private limited company registered in Knottingley, company number 08499055, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £28K (-458%) on the year before, to -£22K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £2,484 against £24K owed within a year: 0.1 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£22K | £2,484 | £2,484 | £24K | 1 |
| 30 Apr 2024 | £6,146 | £13K | £13K | £6,812 | 1 |
| 30 Apr 2023 | -£1,764 | £5,621 | £5,621 | £9,821 | 1 |
| 30 Apr 2022 | -£4,390 | £508 | £508 | £9,771 | 1 |
| 30 Apr 2021 | £1,499 | £100 | 0 | ||
| 30 Apr 2020 | £4,134 | £617 | £617 | £6,229 | 2 |
| 30 Apr 2019 | £7,944 | £1,454 | £5,693 | ||
| 30 Apr 2018 | £4,014 | £847 | £10K | ||
| 30 Apr 2017 | £3,002 | £5,245 | £5,245 | £2,243 | |
| 30 Apr 2016 | £4,029 | £7,006 | £7,006 | £2,977 |
Where MMBS Plumbing and Heating Ltd is registered
The registered office is in Knottingley (WF11), in the Wakefield local authority area, Yorkshire and The Humber. Show WF11 8FA on a map.
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What happens if MMBS 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 08499055
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 April 2013 (13 years ago)
- Registered office
- 26 26 Firtree Tree Court, Knottingley, WF11 8FA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999)
Freight transport by road (SIC 49410) - Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 12 May 2026
- Previous names
- MMBS Kamecki Ltd (until 20 Oct 2022)
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 Knottingley
Other active plumbing and heating companies registered in Knottingley.
- S. T. Plumbing and Heating Gas Specialists Limited2003
- Ablett Plumbing & Heating Ltd2019
- Green Gas Services Limited2023
All plumbing and heating companies in Knottingley · All trades in Knottingley · Plumbers and heating engineers across the UK
Frequently asked questions
When are MMBS Plumbing and Heating Ltd's accounts due?
MMBS Plumbing and Heating Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is MMBS Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is MMBS Plumbing and Heating Ltd still trading?
MMBS 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 MMBS Plumbing and Heating Ltd do?
MMBS Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999); Freight transport by road (SIC 49410).
How old is MMBS Plumbing and Heating Ltd?
MMBS Plumbing and Heating Ltd was incorporated on 22 April 2013, 13 years ago.
What is the penalty if MMBS 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 MMBS 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.