- Companies
- Plumbers and heating engineers
- London
- M&I Heating&Plumbing Ltd
M&I Heating&Plumbing Ltd
- Company number
- 14950310
- Incorporated
- 21 Jun 20233 years trading
- Registered office
- Hampden House, 76 Durham Road, London, SW20 0TL
- Nature of business
- Plumbing, heat and air-conditioning installation
M&I Heating&Plumbing Ltd is a 3-year-old private limited company registered in London, company number 14950310, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 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 £13K on the year before, to -£13K.
- Current assets of £6,873 against £30K owed within a year: 0.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | -£13K | £0 | £6,873 | £30K | 0 |
| 30 Jun 2025 | £450 | £101 | £7,027 | £22K | 0 |
| 30 Jun 2024 | £1,178 | £1,016 | £1,207 | £20K | 1 |
Where M&I Heating&Plumbing Ltd is registered
The registered office is in London (SW20), in the Merton local authority area, London. Show SW20 0TL on a map.
Other trade companies in SW20
- Resmor LtdBuilders
- Justify Advisory LimitedCivil engineering
- Busy Bee Homes LtdProperty developers
- Jyoti Enterprises LtdElectricians
- Bilkins Mechanical LimitedPlumbers and heating engineers
- Tremtec Group Services LtdBuilders
- HRS Services LtdCleaning companies
- Double Glazed Windows and Doors LtdGlaziers
Also registered at this address
4 other companies use the same registered office as M&I Heating&Plumbing Ltd.
- Abode Handyman Services LimitedFinishing trades
- Harry Garages LimitedMechanics and garages
- Northpoint Capital LimitedProperty developers
- Southpoint Capital LimitedProperty developers
What happens if M&I Heating&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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14950310
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 June 2023 (3 years ago)
- Registered office
- Hampden House, 76 Durham Road, London, SW20 0TL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 20 June 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.
- M&M Gas Plumbing Ltd2026
- M&M Plumbing and Heating Services Ltd2026
- M&M Plumbing Expert Ltd2019
- M&S Gas Ltd2026
- M.A Plumbing and Heating London Ltd2018
- M.B Plumbing Solution Ltd2026
- M.E.P. Technology Ltd2025
- M.J.O Plumbing & Maintenance Ltd2025
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are M&I Heating&Plumbing Ltd's accounts due?
M&I Heating&Plumbing Ltd's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is M&I Heating&Plumbing Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is M&I Heating&Plumbing Ltd still trading?
M&I Heating&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 M&I Heating&Plumbing Ltd do?
M&I Heating&Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is M&I Heating&Plumbing Ltd?
M&I Heating&Plumbing Ltd was incorporated on 21 June 2023, 3 years ago.
What is the penalty if M&I Heating&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 M&I Heating&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.