- Companies
- Plumbers and heating engineers
- Luton
- Alpha Boiler Plumbing and Home Improvement Ltd
Alpha Boiler Plumbing and Home Improvement Ltd
- Company number
- 12540583
- Incorporated
- 31 Mar 20206 years trading
- Registered office
- 110 Butterfield Innovation Centre E 34, Great Marlings, Luton, LU2 8DL
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.; Repair of household appliances and home and garden equipment; Repair of furniture and home furnishings
Alpha Boiler Plumbing and Home Improvement Ltd is a 6-year-old private limited company registered in Luton, company number 12540583, one of 158 plumbing and heating companies in Luton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £713 (+8.7%) on the year before, to £8,879.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £6,744 against £1,397 owed within a year: 4.8 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £8,879 | £6,744 | £1,397 | 3 | |
| 31 Mar 2024 | £8,166 | £6,604 | £1,883 | 3 | |
| 31 Mar 2023 | £2,269 | £2,801 | £532 | 0 | |
| 31 Mar 2022 | £1 | £1 | |||
| 31 Mar 2021 | £8,270 | £9,094 | £1,728 | 1 |
Who runs and owns Alpha Boiler Plumbing and Home Improvement Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| S*** A*** | Director | Apr 2023 |
| R*** K*** | Secretary | Feb 2024 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** A*** | Director | Mar 2020 | Apr 2023 |
Person with significant control
Where Alpha Boiler Plumbing and Home Improvement Ltd is registered
The registered office is in Luton (LU2), in the Luton local authority area, East of England. Show LU2 8DL on a map.
Other trade companies in LU2
- Arihant Property Solutions LtdProperty developers
- Prime Pest and Clean LimitedCleaning companies
- QVP Construction LtdBuilders
- Krozy Cleaninig Services LtdCleaning companies
- Iron Clad Construction Devon LimitedBuilders
- Tmi Motors LimitedMechanics and garages
- Scorpion Recovery LtdMechanics and garages
- Cos Plastering LtdBuilders
What happens if Alpha Boiler Plumbing and Home Improvement 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12540583
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 March 2020 (6 years ago)
- Registered office
- 110 Butterfield Innovation Centre E 34, Great Marlings, Luton, LU2 8DL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999)
Repair of household appliances and home and garden equipment (SIC 95220)
Repair of furniture and home furnishings (SIC 95240) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 21 September 2025
- Previous names
- Alpha Boiler and Plumbing Ltd (until 28 Aug 2023)
Alpha Boiler and Plumber Ltd (until 24 Jun 2023)
Chak34 Ltd (until 21 Jun 2023)
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.
- Am Plumbing and Heating Services Limited2024
- Apex Plumbing Services Ltd2021
- Asp Plumbing and Heating Ltd2022
- Asr Maintenance Group Ltd2019
- Atk Heating Services Ltd2025
- Barakah Maintenance Ltd2024
- Bas Heating and Plumbing Services Ltd2025
- Belyvar Ltd2025
All plumbing and heating companies in Luton · All trades in Luton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Alpha Boiler Plumbing and Home Improvement Ltd's accounts due?
Alpha Boiler Plumbing and Home Improvement Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Alpha Boiler Plumbing and Home Improvement Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Alpha Boiler Plumbing and Home Improvement Ltd still trading?
Alpha Boiler Plumbing and Home Improvement 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 Alpha Boiler Plumbing and Home Improvement Ltd do?
Alpha Boiler Plumbing and Home Improvement Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999); Repair of household appliances and home and garden equipment (SIC 95220); Repair of furniture and home furnishings (SIC 95240).
How old is Alpha Boiler Plumbing and Home Improvement Ltd?
Alpha Boiler Plumbing and Home Improvement Ltd was incorporated on 31 March 2020, 6 years ago.
Who runs Alpha Boiler Plumbing and Home Improvement Ltd?
Alpha Boiler Plumbing and Home Improvement Ltd has 1 active director, the longest-serving appointed in Apr 2023. Their names and service addresses are on the Companies House register.
Who owns Alpha Boiler Plumbing and Home Improvement Ltd?
One person or company has significant control of Alpha Boiler Plumbing and Home Improvement Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Alpha Boiler Plumbing and Home Improvement 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 Alpha Boiler Plumbing and Home Improvement 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.