- Companies
- Property developers
- London
- Ethinex Ltd
Ethinex Ltd
- Company number
- 16614165
- Incorporated
- 29 Jul 20251 year trading
- Registered office
- 3RD Floor, 86-90 Paul Street, 3RD Floor, 86-90, Paul Street, London, EC2A 4NE
- Nature of business
- Development of building projects; Information technology consultancy activities; Public relations and communications activities; Other research and experimental development on natural sciences and engineering
Ethinex Ltd is a 1-year-old private limited company registered in London, company number 16614165, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 29 April 2027, and its first CT600 is due at HMRC on 28 July 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 Ethinex Ltd is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
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Also registered at this address
7 other companies use the same registered office as Ethinex Ltd.
- Clax LtdPainters and decorators
- DPT BMS LimitedInstallers
- Dream Builds & Maintenance LtdBuilders
- Ealing Plumber LtdCleaning companies
- Ienergy LimitedSpecialist contractors
- My Clean Pro LtdCleaning companies
- River Construction Essex LtdProperty developers
What happens if Ethinex 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 29 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Apr 2027 to 29 May 2027 | £150 |
| 1 to 3 months late | 30 May 2027 to 29 Jul 2027 | £375 |
| 3 to 6 months late | 30 Jul 2027 to 29 Oct 2027 | £750 |
| More than 6 months late | From 30 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16614165
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 July 2025 (1 year ago)
- Registered office
- 3RD Floor, 86-90 Paul Street, 3RD Floor, 86-90, Paul Street, London, EC2A 4NE
- Nature of business
- Development of building projects (SIC 41100)
Information technology consultancy activities (SIC 62020)
Public relations and communications activities (SIC 70210)
Other research and experimental development on natural sciences and engineering (SIC 72190) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 30 December 2025
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in London
Other active property development companies registered in London.
- Ethos Residential Group Ltd2026
- Eton Estates Limited1972
- Eton Projects Ltd2025
- Etopia Eastry Limited2020
- Etopia UK Limited2014
- Etopia Wilburton Limited2020
- Etwest Properties Limited.1983
- Eucha Limited2008
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Ethinex Ltd's accounts due?
Ethinex Ltd's next accounts are due at Companies House by 29 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Ethinex 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 July 2026, due by 28 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ethinex Ltd still trading?
Ethinex 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 Ethinex Ltd do?
Ethinex Ltd is registered under Development of building projects (SIC 41100); Information technology consultancy activities (SIC 62020); Public relations and communications activities (SIC 70210); Other research and experimental development on natural sciences and engineering (SIC 72190).
How old is Ethinex Ltd?
Ethinex Ltd was incorporated on 29 July 2025, 1 year ago.
What is the penalty if Ethinex 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 Ethinex 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.