- Companies
- Installers
- London
- Kaizen Maintenance Ltd
Kaizen Maintenance Ltd
- Company number
- 10957093
- Incorporated
- 11 Sep 20179 years trading
- Registered office
- 20-22 Wenlock Road, London, N1 7GU
- Nature of business
- Other construction installation
Kaizen Maintenance Ltd is a 9-year-old private limited company registered in London, company number 10957093, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Companies House shows its accounts as overdue: they were due on 26 September 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Kaizen Maintenance LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £390 on the year before, to £413.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £9,658 against £3,801 owed within a year: 2.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2018 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Sep 2024 | £413 | £9,658 | £3,801 | 1 | |
| 28 Sep 2023 | £23 | £16K | £9,178 | 1 | |
| 28 Sep 2022 | £133 | £17K | £7,416 | 1 | |
| 29 Sep 2021 | £50 | £16K | £4,620 | 1 | |
| 30 Sep 2020 | £139 | £13K | £1,058 | 1 | |
| 30 Sep 2019 | -£10K | -£12K | £1,292 | 1 | |
| 30 Sep 2018 | £13K | £6,639 | £0 |
Where Kaizen Maintenance Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
804 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Kaizen Maintenance Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Sep 2026 to 26 Oct 2026 | £150 |
| 1 to 3 months late | 27 Oct 2026 to 26 Dec 2026 | £375 |
| 3 to 6 months late | 27 Dec 2026 to 26 Mar 2027 | £750 |
| More than 6 months late | From 27 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 27 Dec 2026 | £200 |
| 3 months late | 26 Mar 2027 | another £200 |
| 6 months late | 26 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 26 Dec 2027 | 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
- 10957093
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 September 2017 (9 years ago)
- Registered office
- 20-22 Wenlock Road, London, N1 7GU
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 27 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 September 2024
- Last confirmation statement
- 10 September 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Kaizer Company Limited2019
- Kalmar Building Services Limited2015
- Kalnas Holdings Ltd2026
- Kalt Construction Limited2024
- Kalt Finishes Limited2026
- Kanakyiich Ltd2025
- Kane Contractors Ltd2024
- Karayel Builder Ltd2018
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Kaizen Maintenance Ltd's accounts due?
Kaizen Maintenance Ltd's accounts were due at Companies House on 26 September 2026 and the register shows them as overdue.
When is Kaizen Maintenance Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 28 September 2025, due by 28 September 2026, and one for the period to 26 December 2025, due by 26 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Kaizen Maintenance Ltd still trading?
Kaizen Maintenance Ltd is listed as active on the Companies House register (checked 12 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 Maintenance Ltd do?
Kaizen Maintenance Ltd is registered under Other construction installation (SIC 43290).
How old is Kaizen Maintenance Ltd?
Kaizen Maintenance Ltd was incorporated on 11 September 2017, 9 years ago.
What is the penalty if Kaizen Maintenance 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 Maintenance Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.