- Companies
- Civil engineering
- London
- Civix Construction UK Ltd
Civix Construction UK Ltd
- Company number
- 16821386
- Incorporated
- 30 Oct 2025
- Registered office
- 291 Fulbourne Road, London, E17 4HL
- Nature of business
- Construction of other civil engineering projects n.e.c.
Civix Construction UK Ltd is a newly incorporated private limited company registered in London, company number 16821386, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 30 July 2027, and its first CT600 is due at HMRC on 29 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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Who runs and owns Civix Construction UK Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** F*** | Director | Oct 2025 |
Person with significant control
Where Civix Construction UK Ltd is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 4HL on a map.
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What happens if Civix Construction UK 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 30 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Jul 2027 to 30 Aug 2027 | £150 |
| 1 to 3 months late | 31 Aug 2027 to 30 Oct 2027 | £375 |
| 3 to 6 months late | 31 Oct 2027 to 30 Jan 2028 | £750 |
| More than 6 months late | From 31 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
- 16821386
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 October 2025
- Registered office
- 291 Fulbourne Road, London, E17 4HL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- CJ Glover Associates Limited2013
- CJB Civil Engineering Ltd2016
- Ckwild Consultants Ltd2024
- Claudiom Ltd2022
- Clear Path Engineering Limited2025
- Clifton Rails Limited2023
- Cloudfenn Ltd.2012
- CM Access Solutions Ltd2022
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Civix Construction UK Ltd's accounts due?
Civix Construction UK Ltd's next accounts are due at Companies House by 30 July 2027 (in 290 days), covering the period to 31 October 2026.
When is Civix Construction UK 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 29 October 2026, due by 29 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 Civix Construction UK Ltd still trading?
Civix Construction UK 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 Civix Construction UK Ltd do?
Civix Construction UK Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Civix Construction UK Ltd?
Civix Construction UK Ltd was incorporated on 30 October 2025, less than a year ago.
Who runs Civix Construction UK Ltd?
Civix Construction UK Ltd has 1 active director, the longest-serving appointed in Oct 2025. Their names and service addresses are on the Companies House register.
Who owns Civix Construction UK Ltd?
One person or company has significant control of Civix Construction UK Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Civix Construction UK 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 Civix Construction UK 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.