- Companies
- Joiners and carpenters
- London
- Mallay Window Maintenance Ltd
Mallay Window Maintenance Ltd
- Company number
- 16158265
- Incorporated
- 1 Jan 20251 year trading
- Registered office
- 123E Clapton Common, London, E5 9AB
- Nature of business
- Joinery installation; Glazing; Other business support service activities n.e.c.
Mallay Window Maintenance Ltd is a 1-year-old private limited company registered in London, company number 16158265, one of 692 joinery companies in London. Its next accounts are due at Companies House on 1 January 2027, and its first CT600 is due at HMRC on 31 December 2026.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Mallay Window Maintenance Ltd is registered
The registered office is in London (E5), in the Hackney local authority area, London. Show E5 9AB on a map.
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What happens if Mallay Window Maintenance 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 1 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Jan 2027 to 1 Feb 2027 | £150 |
| 1 to 3 months late | 2 Feb 2027 to 1 Apr 2027 | £375 |
| 3 to 6 months late | 2 Apr 2027 to 1 Jul 2027 | £750 |
| More than 6 months late | From 2 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16158265
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 January 2025 (1 year ago)
- Registered office
- 123E Clapton Common, London, E5 9AB
- Nature of business
- Joinery installation (SIC 43320)
Glazing (SIC 43342)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 31 December 2025
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in London
Other active joinery companies registered in London.
- Maple Carpentry & Construction Ltd2017
- Maple Interiors Ltd2019
- Marble Building Services UK Ltd2025
- Marshall Projects Ltd2023
- Martin Benson Floor Design Limited2014
- Martin Leighfield Limited2004
- Martom Builders Ltd2026
- Marvel Construction Ltd2015
All joinery companies in London · All trades in London · Joiners and carpenters across the UK
Frequently asked questions
When are Mallay Window Maintenance Ltd's accounts due?
Mallay Window Maintenance Ltd's next accounts are due at Companies House by 1 January 2027 (in 81 days), covering the period to 31 January 2026.
When is Mallay Window 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 31 December 2025, due by 31 December 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mallay Window Maintenance Ltd still trading?
Mallay Window Maintenance 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 Mallay Window Maintenance Ltd do?
Mallay Window Maintenance Ltd is registered under Joinery installation (SIC 43320); Glazing (SIC 43342); Other business support service activities n.e.c. (SIC 82990).
How old is Mallay Window Maintenance Ltd?
Mallay Window Maintenance Ltd was incorporated on 1 January 2025, 1 year ago.
What is the penalty if Mallay Window 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 Mallay Window Maintenance 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.