- Companies
- Installers
- Mitcham
- Maximum Installation Ltd
Maximum Installation Ltd
- Company number
- 13602819
- Incorporated
- 5 Sep 20215 years trading
- Registered office
- 9 Spring Grove, Mitcham, CR4 2NN
- Nature of business
- Other construction installation
Maximum Installation Ltd is a 5-year-old private limited company registered in Mitcham, company number 13602819, one of 37 installation companies (insulation, lifts, shutters and similar) in Mitcham. 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 £13K on the year before, to -£13K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£13K | £29K | 1 | ||
| 30 Sep 2024 | £1 | 1 | |||
| 30 Sep 2023 | £1 | 1 | |||
| 30 Sep 2022 | £1 | 1 |
Who runs and owns Maximum Installation Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** I*** | Director | Sep 2021 |
Person with significant control
Where Maximum Installation Ltd is registered
The registered office is in Mitcham (CR4), in the Merton local authority area, London. Show CR4 2NN on a map.
Other trade companies in CR4
- Mendevo LimitedFloor and wall tilers
- Az Auto Body Repair LtdMechanics and garages
- Welcome Maintenance LimitedPainters and decorators
- Fixmot LtdMechanics and garages
- MPB Property Care LtdFinishing trades
- Aoo Building Services LtdBuilders
- LDN Plumbing Heating and Cooling LimitedPlumbers and heating engineers
- Dgha Construction LtdBuilders
What happens if Maximum Installation 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
- 13602819
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 September 2021 (5 years ago)
- Registered office
- 9 Spring Grove, Mitcham, CR4 2NN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 4 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 Mitcham
Other active installation companies (insulation, lifts, shutters and similar) registered in Mitcham.
- Melogas Ltd2025
- NRK Construction Ltd2024
- Oaks Construction Ltd2025
- Olek Builders Limited2018
- PQ Building Limited2014
- Quality Carpenters & Construction Ltd2026
- Rado Contractors Ltd2022
- Red & Blue London Ltd2007
All installation companies (insulation, lifts, shutters and similar) in Mitcham · All trades in Mitcham · Installers across the UK
Frequently asked questions
When are Maximum Installation Ltd's accounts due?
Maximum Installation Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Maximum Installation 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 Maximum Installation Ltd still trading?
Maximum Installation 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 Maximum Installation Ltd do?
Maximum Installation Ltd is registered under Other construction installation (SIC 43290).
How old is Maximum Installation Ltd?
Maximum Installation Ltd was incorporated on 5 September 2021, 5 years ago.
Who runs Maximum Installation Ltd?
Maximum Installation Ltd has 1 active director, the longest-serving appointed in Sep 2021. Their names and service addresses are on the Companies House register.
Who owns Maximum Installation Ltd?
One person or company has significant control of Maximum Installation Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Maximum Installation 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 Maximum Installation 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.