- Companies
- Civil engineering
- Carlisle
- Dag Railway Ltd
Dag Railway Ltd
- Company number
- 16204154
- Incorporated
- 23 Jan 20251 year trading
- Registered office
- 106 Castlesteads Drive, Carlisle, CA2 7XD
- Nature of business
- Construction of railways and underground railways
Dag Railway Ltd is a 1-year-old private limited company registered in Carlisle, company number 16204154, one of 48 civil engineering contractors in Carlisle. Its next accounts are due at Companies House on 23 October 2026, and its first CT600 is due at HMRC on 22 January 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 Dag Railway Ltd is registered
The registered office is in Carlisle (CA2), in the Cumberland local authority area, North West. Show CA2 7XD on a map.
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Shared registered office
42 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Dag Railway 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 23 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Oct 2026 to 23 Nov 2026 | £150 |
| 1 to 3 months late | 24 Nov 2026 to 23 Jan 2027 | £375 |
| 3 to 6 months late | 24 Jan 2027 to 23 Apr 2027 | £750 |
| More than 6 months late | From 24 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16204154
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 January 2025 (1 year ago)
- Registered office
- 106 Castlesteads Drive, Carlisle, CA2 7XD
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 22 January 2026
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 Carlisle
Other active civil engineering contractors registered in Carlisle.
- David Blunt Groundworks Limited2012
- Dtce Ltd2019
- DWT Rail Limited2013
- Fulton Electrical Services Limited2023
- GB Groundworks Ltd2026
- Heam Court Properties and Management Limited2025
- Irving Builders Limited2006
- JF Smith Engineering Limited2011
All civil engineering contractors in Carlisle · All trades in Carlisle · Civil engineering across the UK
Frequently asked questions
When are Dag Railway Ltd's accounts due?
Dag Railway Ltd's next accounts are due at Companies House by 23 October 2026 (in 10 days), covering the period to 31 January 2026.
When is Dag Railway 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 22 January 2026, due by 22 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Dag Railway Ltd still trading?
Dag Railway 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 Dag Railway Ltd do?
Dag Railway Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Dag Railway Ltd?
Dag Railway Ltd was incorporated on 23 January 2025, 1 year ago.
What is the penalty if Dag Railway 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 Dag Railway 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.