- Companies
- Plumbers and heating engineers
- London
- Kaizen Heating & Plumbing Ltd
Kaizen Heating & Plumbing Ltd
- Company number
- 15603665
- Incorporated
- 29 Mar 20242 years trading
- Registered office
- Flat 11, Northwold Road, London, E5 8BN
- Nature of business
- Plumbing, heat and air-conditioning installation
Kaizen Heating & Plumbing Ltd is a 2-year-old private limited company registered in London, company number 15603665, one of 2,972 plumbing and heating companies in London. 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where Kaizen Heating & Plumbing Ltd is registered
The registered office is in London (E5), in the Hackney local authority area, London. Show E5 8BN on a map.
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What happens if Kaizen 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 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
- 15603665
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2024 (2 years ago)
- Registered office
- Flat 11, Northwold Road, London, E5 8BN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 21 March 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.
- Kak Group Limited2026
- Kam Surveys Ltd2025
- Kamal Builders Limited2014
- Kara Gas Ltd2021
- Karma Construction Limited2025
- Kas Commercial Limited2016
- Kaya Plumbing Ltd2021
- KBH Plumbings and Heating Ltd2024
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Kaizen Heating & Plumbing Ltd's accounts due?
Kaizen Heating & Plumbing 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 Kaizen Heating & Plumbing 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 Kaizen Heating & Plumbing Ltd still trading?
Kaizen 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 Kaizen Heating & Plumbing Ltd do?
Kaizen Heating & Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Kaizen Heating & Plumbing Ltd?
Kaizen Heating & Plumbing Ltd was incorporated on 29 March 2024, 2 years ago.
What is the penalty if Kaizen 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 Kaizen 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.