- Companies
- Plumbers and heating engineers
- Welling
- M&M Plumbing Services UK Ltd
M&M Plumbing Services UK Ltd
- Company number
- 09386473
- Incorporated
- 13 Jan 201511 years trading
- Registered office
- 44 Stevedale Road, Welling, Kent, DA16 1NH
- Nature of business
- Plumbing, heat and air-conditioning installation
M&M Plumbing Services UK Ltd is a 11-year-old private limited company registered in Welling, company number 09386473, one of 20 plumbing and heating companies in Welling. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £6,705 (+12.3%) on the year before, to £61K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £91K against £31K owed within a year: 3.0 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | £61K | £52K | £91K | £31K | 1 |
| 31 Jan 2024 | £55K | £354 | £84K | £26K | 1 |
| 31 Jan 2023 | £15K | £6,302 | £40K | £21K | 1 |
| 31 Jan 2022 | £5,472 | £1,318 | £22K | £9,163 | 1 |
| 31 Jan 2021 | £5,036 | £3,617 | £30K | £10K | 1 |
| 31 Jan 2020 | £29K | £4,620 | £43K | £19K | 1 |
| 31 Jan 2019 | £21K | £2,204 | £68K | £49K | |
| 31 Jan 2018 | £19K | £8,049 | £36K | £18K | |
| 31 Jan 2017 | £643 | £20K | £31K | £32K | |
| 31 Jan 2016 | £426 | £13K | £23K | £23K |
Where M&M Plumbing Services UK Ltd is registered
The registered office is in Welling (DA16), in the Bexley local authority area, London. Show DA16 1NH on a map.
Other trade companies in DA16
- Salvargo LtdMotor traders
- Maid to Stay LtdCleaning companies
- Astarconstructionservices LtdProperty developers
- Central Nexus Telecoms LtdCivil engineering
- BMS22 Scaffolding LtdScaffolders
- Ayclean LtdCleaning companies
- D&M Motors LtdMechanics and garages
- Wrexham Northern 777 Assets Developments LtdProperty developers
What happens if M&M Plumbing Services UK 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 09386473
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 January 2015 (11 years ago)
- Registered office
- 44 Stevedale Road, Welling, Kent, DA16 1NH
- 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 2025
- Last confirmation statement
- 11 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 Welling
Other active plumbing and heating companies registered in Welling.
- MG Mechanical Force Ltd2024
- Morgan Heating & Plumbing Ltd2012
- Not Just Plumbers Ltd2017
- Paton Plumbing & Heating Solutions Limited2023
- Rightway Plumbing & Heating Ltd2013
- S Austin Ltd2013
- SNS Lucky Co Ltd2016
- VPD Ductwork Limited2016
All plumbing and heating companies in Welling · All trades in Welling · Plumbers and heating engineers across the UK
Frequently asked questions
When are M&M Plumbing Services UK Ltd's accounts due?
M&M Plumbing Services UK Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is M&M Plumbing Services UK Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is M&M Plumbing Services UK Ltd still trading?
M&M Plumbing Services UK 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 M&M Plumbing Services UK Ltd do?
M&M Plumbing Services UK Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is M&M Plumbing Services UK Ltd?
M&M Plumbing Services UK Ltd was incorporated on 13 January 2015, 11 years ago.
What is the penalty if M&M Plumbing Services UK 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 M&M Plumbing Services UK 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.