- Company number
- 16778399
- Incorporated
- 10 Oct 20251 year trading
- Registered office
- Unit D 17 Plumbers Row, C/O Kaiser Nouman Nathan LLP, London, E1 1EQ
- Nature of business
- Construction of domestic buildings
Lemix Limited is a 1-year-old private limited company registered in London, company number 16778399, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 10 July 2027, and its first CT600 is due at HMRC on 9 October 2027.
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.
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Where Lemix Limited is registered
The registered office is in London (E1), in the Tower Hamlets local authority area, London. Show E1 1EQ on a map.
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Also registered at this address
1 other company uses the same registered office as Lemix Limited.
- Tradewiser LtdMotor traders
What happens if Lemix Limited 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 10 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Jul 2027 to 10 Aug 2027 | £150 |
| 1 to 3 months late | 11 Aug 2027 to 10 Oct 2027 | £375 |
| 3 to 6 months late | 11 Oct 2027 to 10 Jan 2028 | £750 |
| More than 6 months late | From 11 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16778399
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 October 2025 (1 year ago)
- Registered office
- Unit D 17 Plumbers Row, C/O Kaiser Nouman Nathan LLP, London, E1 1EQ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Lenden Construction Ltd2024
- Lenin Constructions Ltd2026
- Lenton- Lifting and Rigging Ltd2026
- Leo Building Refurbishment Ltd2021
- Leo Building Services Ltd2023
- Leo Property Technology Limited2024
- Leo1Balla Ltd2024
- Leon Brothers Building Services Ltd2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Lemix Limited's accounts due?
Lemix Limited's next accounts are due at Companies House by 10 July 2027 (in 271 days), covering the period to 31 October 2026.
When is Lemix Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 October 2026, due by 9 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Lemix Limited still trading?
Lemix Limited 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 Lemix Limited do?
Lemix Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Lemix Limited?
Lemix Limited was incorporated on 10 October 2025, 1 year ago.
What is the penalty if Lemix Limited 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 Lemix Limited 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.