- Companies
- Plumbers and heating engineers
- Luton
- MLK Plumbing & Heating Ltd
MLK Plumbing & Heating Ltd
- Company number
- 11559607
- Incorporated
- 10 Sep 20188 years trading
- Registered office
- 4 Warwick Road East, Luton, Bedfordshire, LU4 8BH
- Nature of business
- Plumbing, heat and air-conditioning installation
MLK Plumbing & Heating Ltd is a 8-year-old private limited company registered in Luton, company number 11559607, one of 158 plumbing and heating companies in Luton. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £19K (-72.3%) on the year before, to £7,373.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £26K against £1,239 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £7,373 | £26K | £1,239 | 1 | |
| 30 Sep 2024 | £27K | £15K | £881 | 1 | |
| 30 Sep 2023 | £34K | £15K | £770 | 1 | |
| 30 Sep 2022 | £43K | £6,004 | £360 | 1 | |
| 30 Sep 2021 | £45K | £4,612 | £360 | 0 | |
| 30 Sep 2020 | £30 | £63 | £103 | 0 | |
| 30 Sep 2019 | £10 | 0 |
Where MLK Plumbing & Heating Ltd is registered
The registered office is in Luton (LU4), in the Luton local authority area, East of England. Show LU4 8BH on a map.
Other trade companies in LU4
- Kai Properties LtdProperty developers
- Surrey Design and Build LtdRoofers
- Lignora LtdFloor and wall tilers
- MK Services Pro LtdProperty developers
- Amp Vision Solutions LtdElectricians
- S R Auto Motors LimitedMotor traders
- Arseley Motor Group LtdMotor traders
- F Martini Building & Roofing LtdBuilders
What happens if MLK Plumbing & 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 11559607
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 September 2018 (8 years ago)
- Registered office
- 4 Warwick Road East, Luton, Bedfordshire, LU4 8BH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 4 September 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 Luton
Other active plumbing and heating companies registered in Luton.
- MR G Your Go-to Guy Ltd2025
- MST Builders Ltd2025
- Myflame Plumbing & Heating Limited2023
- Neat Heat UK Ltd2018
- Neatheat Plumbing & Heating Ltd2021
- Novoflow Solutions Ltd2025
- Ny Electricals Ltd2025
- Optiflow Mechanical Ltd2025
All plumbing and heating companies in Luton · All trades in Luton · Plumbers and heating engineers across the UK
Frequently asked questions
When are MLK Plumbing & Heating Ltd's accounts due?
MLK Plumbing & Heating Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is MLK Plumbing & Heating Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is MLK Plumbing & Heating Ltd still trading?
MLK Plumbing & Heating Ltd is listed as active on the Companies House register (checked 13 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 MLK Plumbing & Heating Ltd do?
MLK Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is MLK Plumbing & Heating Ltd?
MLK Plumbing & Heating Ltd was incorporated on 10 September 2018, 8 years ago.
What is the penalty if MLK Plumbing & 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 MLK Plumbing & Heating Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.