- Companies
- Installers
- Purley
- Martin Mucha Ltd
Martin Mucha Ltd
- Company number
- 12297442
- Incorporated
- 4 Nov 20196 years trading
- Registered office
- Apartment 8, 5 Greyfields Close, Purley, CR8 1BW
- Nature of business
- Other construction installation
Martin Mucha Ltd is a 6-year-old private limited company registered in Purley, company number 12297442, one of 8 installation companies (insulation, lifts, shutters and similar) in Purley. Companies House shows its accounts as overdue: they were due on 31 August 2026.
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 £315K (+302.1%) on the year before, to £419K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £206K against £54K owed within a year: 3.8 times cover.
- 11 employees on average, up from 5 the year before.
- Balance sheets on record for 5 years, 2020 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £419K | £149K | £206K | £54K | 11 |
| 30 Nov 2023 | £104K | £69K | £58K | 5 | |
| 30 Nov 2022 | £149K | £74K | £49K | 4 | |
| 30 Nov 2021 | £150K | £88K | £52K | 5 | |
| 30 Nov 2020 | £27K | £40K | £38K | 3 |
Where Martin Mucha Ltd is registered
The registered office is in Purley (CR8), in the Croydon local authority area, London. Show CR8 1BW on a map.
Other trade companies in CR8
- Greenline Grounds LtdLandscapers and gardeners
- Darkwa Clean LtdCleaning companies
- SJC Property Care LtdCleaning companies
- Riseapp Sortation LtdGroundworks and demolition
- Musbal Nig LimitedBuilders
- Set Carpentry LtdInstallers
- Fixed First LtdBuilders
- C1 Projects LtdBuilders
What happens if Martin Mucha Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 12297442
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 November 2019 (6 years ago)
- Registered office
- Apartment 8, 5 Greyfields Close, Purley, CR8 1BW
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 3 November 2025
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 Purley
Other active installation companies (insulation, lifts, shutters and similar) registered in Purley.
- Set Carpentry Ltd2026
- Todryk Services Ltd2024
- Concal Projects Limited2011
- Crossland Audio Ltd2022
- Fromby Productions Limited2001
- Fulham Loft Conversions Limited2003
- Lesko Installations Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Purley · All trades in Purley · Installers across the UK
Frequently asked questions
When are Martin Mucha Ltd's accounts due?
Martin Mucha Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is Martin Mucha Ltd's CT600 due?
The CT600 for the period to 30 November 2025 is due at HMRC by 30 November 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2026.
Is Martin Mucha Ltd still trading?
Martin Mucha 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 Martin Mucha Ltd do?
Martin Mucha Ltd is registered under Other construction installation (SIC 43290).
How old is Martin Mucha Ltd?
Martin Mucha Ltd was incorporated on 4 November 2019, 6 years ago.
What is the penalty if Martin Mucha 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 Martin Mucha 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.