- Company number
- 17154938
- Incorporated
- 13 Apr 2026
- Registered office
- 364 Flat 1, Ley Street, Ilford, IG1 4AE
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Activities of open-ended investment companies; Financial intermediation not elsewhere classified
Conix Star Ltd is a newly incorporated private limited company registered in Ilford, company number 17154938, one of 1,138 building contractors in Ilford. Its next accounts are due at Companies House on 13 January 2028, and its first CT600 is due at HMRC on 12 April 2028.
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 Conix Star Ltd is registered
The registered office is in Ilford (IG1), in the Redbridge local authority area, London. Show IG1 4AE on a map.
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What happens if Conix Star 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 13 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Jan 2028 to 13 Feb 2028 | £150 |
| 1 to 3 months late | 14 Feb 2028 to 13 Apr 2028 | £375 |
| 3 to 6 months late | 14 Apr 2028 to 13 Jul 2028 | £750 |
| More than 6 months late | From 14 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17154938
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 April 2026
- Registered office
- 364 Flat 1, Ley Street, Ilford, IG1 4AE
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Activities of open-ended investment companies (SIC 64304)
Financial intermediation not elsewhere classified (SIC 64999) - Year end
- 30 April (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 Ilford
Other active building contractors registered in Ilford.
- Connaught Avenue Essex Limited2013
- Construction City Limited2021
- Construction Unlimited Time Limited2026
- Constructionsplus Limited2024
- Constructive Capital Group Ltd2023
- Contour Build Limited2012
- Convo Pez Ltd2024
- Cooperman & Goldberg Ltd2021
All building contractors in Ilford · All trades in Ilford · Builders across the UK
Frequently asked questions
When are Conix Star Ltd's accounts due?
Conix Star Ltd's next accounts are due at Companies House by 13 January 2028 (in 457 days), covering the period to 30 April 2027.
When is Conix Star 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 12 April 2027, due by 12 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Conix Star Ltd still trading?
Conix Star 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 Conix Star Ltd do?
Conix Star Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Activities of open-ended investment companies (SIC 64304); Financial intermediation not elsewhere classified (SIC 64999).
How old is Conix Star Ltd?
Conix Star Ltd was incorporated on 13 April 2026, less than a year ago.
What is the penalty if Conix Star 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 Conix Star 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.