- Companies
- Civil engineering
- Worksop
- Sentinel Rail Projects Ltd
Sentinel Rail Projects Ltd
- Company number
- 16772534
- Incorporated
- 8 Oct 20251 year trading
- Registered office
- 38 High Street, Whitwell, Worksop, Nottinghamshire, S80 4RB
- Nature of business
- Construction of railways and underground railways; Construction of other civil engineering projects n.e.c.; Management consultancy activities other than financial management; Human resources provision and management of human resources functions
Sentinel Rail Projects Ltd is a 1-year-old private limited company registered in Worksop, company number 16772534, one of 16 civil engineering contractors in Worksop. Its next accounts are due at Companies House on 8 July 2027, and its first CT600 is due at HMRC on 7 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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Where Sentinel Rail Projects Ltd is registered
The registered office is in Worksop (S80), in the Bolsover local authority area, East Midlands. Show S80 4RB on a map.
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Also registered at this address
1 other company uses the same registered office as Sentinel Rail Projects Ltd.
- Blueprint Civils LtdProperty developers
What happens if Sentinel Rail Projects 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 8 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Jul 2027 to 8 Aug 2027 | £150 |
| 1 to 3 months late | 9 Aug 2027 to 8 Oct 2027 | £375 |
| 3 to 6 months late | 9 Oct 2027 to 8 Jan 2028 | £750 |
| More than 6 months late | From 9 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
- 16772534
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 October 2025 (1 year ago)
- Registered office
- 38 High Street, Whitwell, Worksop, Nottinghamshire, S80 4RB
- Nature of business
- Construction of railways and underground railways (SIC 42120)
Construction of other civil engineering projects n.e.c. (SIC 42990)
Management consultancy activities other than financial management (SIC 70229)
Human resources provision and management of human resources functions (SIC 78300) - 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 Worksop
Other active civil engineering contractors registered in Worksop.
- Worksop Tarmacadam Company Limited1979
- 4 Smart Services Ltd2011
- Beautiful Lola Ltd2020
- Blagg Plant Hire (Worksop) Limited1990
- CBS Eng Consultants Limited2011
- Cowley Railway Contractors Limited2003
- Ctrncomms Ltd2025
- David Sheard Limited2007
All civil engineering contractors in Worksop · All trades in Worksop · Civil engineering across the UK
Frequently asked questions
When are Sentinel Rail Projects Ltd's accounts due?
Sentinel Rail Projects Ltd's next accounts are due at Companies House by 8 July 2027 (in 269 days), covering the period to 31 October 2026.
When is Sentinel Rail Projects 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 7 October 2026, due by 7 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 Sentinel Rail Projects Ltd still trading?
Sentinel Rail Projects 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 Sentinel Rail Projects Ltd do?
Sentinel Rail Projects Ltd is registered under Construction of railways and underground railways (SIC 42120); Construction of other civil engineering projects n.e.c. (SIC 42990); Management consultancy activities other than financial management (SIC 70229); Human resources provision and management of human resources functions (SIC 78300).
How old is Sentinel Rail Projects Ltd?
Sentinel Rail Projects Ltd was incorporated on 8 October 2025, 1 year ago.
What is the penalty if Sentinel Rail Projects 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 Sentinel Rail Projects 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.