- Company number
- 17407528
- Incorporated
- 18 Aug 2026
- Registered office
- 143C Station Road, Doncaster, DN7 4JP
- Nature of business
- Construction of domestic buildings
Ckinfrastructure Ltd is a newly incorporated private limited company registered in Doncaster, company number 17407528, one of 306 building contractors in Doncaster. Its next accounts are due at Companies House on 18 May 2028, and its first CT600 is due at HMRC on 17 August 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.
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Who runs and owns Ckinfrastructure Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| C*** J*** | Director | Aug 2026 |
Person with significant control
Where Ckinfrastructure Ltd is registered
The registered office is in Doncaster (DN7), in the Doncaster local authority area, Yorkshire and The Humber. Show DN7 4JP on a map.
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- JKT Commercial Services LimitedMechanics and garages
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- Elite Van Group LtdMotor traders
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What happens if Ckinfrastructure 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 18 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 May 2028 to 18 Jun 2028 | £150 |
| 1 to 3 months late | 19 Jun 2028 to 18 Aug 2028 | £375 |
| 3 to 6 months late | 19 Aug 2028 to 18 Nov 2028 | £750 |
| More than 6 months late | From 19 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17407528
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 August 2026
- Registered office
- 143C Station Road, Doncaster, DN7 4JP
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (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 Doncaster
Other active building contractors registered in Doncaster.
- Claylane Brickwork Limited2022
- Claylane Construction Ltd2007
- Clover Roofing Services Limited2002
- Costi Builder Ltd2026
- Couch Developments Limited2022
- Craig & Co Construction Limited2026
- Craig Ritchie Construction Limited2025
- Create Properties Ltd2016
All building contractors in Doncaster · All trades in Doncaster · Builders across the UK
Frequently asked questions
When are Ckinfrastructure Ltd's accounts due?
Ckinfrastructure Ltd's next accounts are due at Companies House by 18 May 2028 (in 584 days), covering the period to 31 August 2027.
When is Ckinfrastructure 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 17 August 2027, due by 17 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ckinfrastructure Ltd still trading?
Ckinfrastructure 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 Ckinfrastructure Ltd do?
Ckinfrastructure Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Ckinfrastructure Ltd?
Ckinfrastructure Ltd was incorporated on 18 August 2026, less than a year ago.
Who runs Ckinfrastructure Ltd?
Ckinfrastructure Ltd has 1 active director, the longest-serving appointed in Aug 2026. Their names and service addresses are on the Companies House register.
Who owns Ckinfrastructure Ltd?
One person or company has significant control of Ckinfrastructure Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Ckinfrastructure 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 Ckinfrastructure 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.