- Companies
- Specialist contractors
- Harlow
- Constrail Group Ltd
Constrail Group Ltd
- Company number
- 16085471
- Incorporated
- 18 Nov 20241 year trading
- Registered office
- North Westfate House, 1ST Floor, Harlow, Essex, CM20 1YS
- Nature of business
- Other specialised construction activities n.e.c.; Human resources provision and management of human resources functions
Constrail Group Ltd is a 1-year-old private limited company registered in Harlow, company number 16085471, one of 116 specialist construction companies in Harlow. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Constrail Group Ltd is registered
The registered office is in Harlow (CM20), in the Harlow local authority area, East of England. Show CM20 1YS on a map.
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What happens if Constrail Group 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16085471
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 November 2024 (1 year ago)
- Registered office
- North Westfate House, 1ST Floor, Harlow, Essex, CM20 1YS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Human resources provision and management of human resources functions (SIC 78300) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 17 November 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Harlow
Other active specialist construction companies registered in Harlow.
- Control Wise Ltd2025
- CSC Buildings Ltd2009
- D and D Glassworks Ltd2025
- D F F Rendering Solutions Ltd2019
- Danny Cadman Ltd2014
- DB Preservation Ltd2026
- Develop-X Ltd2022
- Dnda Construct Ltd2024
All specialist construction companies in Harlow · All trades in Harlow · Specialist contractors across the UK
Frequently asked questions
When are Constrail Group Ltd's accounts due?
Constrail Group Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Constrail Group Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Constrail Group Ltd still trading?
Constrail Group 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 Constrail Group Ltd do?
Constrail Group Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Human resources provision and management of human resources functions (SIC 78300).
How old is Constrail Group Ltd?
Constrail Group Ltd was incorporated on 18 November 2024, 1 year ago.
What is the penalty if Constrail Group 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 Constrail Group 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.