21ST CENTURY STEAM LIMITED
Active Company number 11330729
21ST CENTURY STEAM LIMITED (company number 11330729) is a private limited company incorporated on 26 April 2018. Its status on the Companies House register is Active. Its registered office is in Darlington, DL3 0PY. Its nature of business (SIC 2007) is manufacture of railway locomotives and rolling stock (30200). Its latest accounts we hold, for the period ending 31 March 2025, report net assets of £1.
Source: Companies House register, as at 29 September 2026. How to cite this page
Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.
Company Report on 21ST CENTURY STEAM LIMITED (PDF)
The register, the accounts and the people behind the company in one PDF, for your own business use.
- Summary and Health Score, with the reasons behind the score
- Red flags and what changed in the last 12 months
- Key figures against the year before, and filing deadlines
- Financials ledger: up to 10 years of filed accounts
- Who runs and owns it: directors, secretaries and PSCs
- Charges, filing history and methodology
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Company details
- Company number
- 11330729
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 26 April 2018
- Country of origin
- United Kingdom
- Registered office
- DARLINGTON LOCOMOTIVE WORKS
9 BONOMI WAY
DARLINGTON
COUNTY DURHAM
DL3 0PY
ENGLAND
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 31 March
- Accounts category
- MICRO ENTITY
- Accounts last made up to
- 31 March 2025
- Next accounts due
- 31 December 2026
- Confirmation statement last made up to
- 25 April 2026
- Next confirmation statement due
- 9 May 2027
Financial summary
| Period ending | 31 March 2025 | 31 March 2024 | 31 March 2023 | 31 March 2022 | 31 March 2021 | 31 March 2020 | 31 March 2019 |
|---|---|---|---|---|---|---|---|
| Net assets | £1 | £1 | £1 | — | — | £1 | — |
| Employees | 0 | — | — | 0 | 0 | — | — |
—: no figure read from the filing.
Figures read from filings at Companies House (ixbrl) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.
Control, officers and charges
- Persons with significant control
- 1 current (1 including ceased)
- Corporate controllers
- The A1 Steam Locomotive Trust
Questions about 21ST CENTURY STEAM LIMITED
Is 21ST CENTURY STEAM LIMITED active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)
When was 21ST CENTURY STEAM LIMITED incorporated?
21ST CENTURY STEAM LIMITED was incorporated on 26 April 2018, according to the Companies House register. (Companies House register, as at 29 September 2026.)
Where is 21ST CENTURY STEAM LIMITED registered?
Its registered office is in Darlington, DL3 0PY. (Companies House register, as at 29 September 2026.)
Who controls 21ST CENTURY STEAM LIMITED?
The register lists 1 current person with significant control (1 including those who have ceased). Corporate controllers named on the register: The A1 Steam Locomotive Trust. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/11330729/persons-with-significant-control. (Companies House register, as at 29 September 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are 21ST CENTURY STEAM LIMITED's next accounts due?
The register shows the next accounts as due by 31 December 2026. Its latest accounts on the register were made up to 31 March 2025. (Companies House register, as at 29 September 2026.)
Does 21ST CENTURY STEAM LIMITED file dormant accounts?
Not in its latest accounts. The register gives their category as “Micro-entity accounts”, made up to 31 March 2025. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file
Is 21ST CENTURY STEAM LIMITED on a sanctions list?
No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 6 October 2026. A name screen is not legal clearance.
Related companies
More manufacture of railway locomotives and rolling stock companies
- THE STANDARD STEAM LOCOMOTIVE COMPANY LIMITED
- ROLLINGSTOCKTECH LTD
- BIRMINGHAM RAILWAY CARRIAGE & WAGON COMPANY LIMITED
- JK FITTERS LTD
- SJLB LTD
- CRIMSON RAIL LIMITED
- BENS ENGINEERING LTD
- A. RON ENGINEERING SERVICES LTD
Industry overview: 205 active companies in SIC 30200
Other active companies registered at DL3 0PY
Related guides
Companies with similar names
Other companies, LLPs and partnerships on the Companies House register whose names begin “21ST CENTURY”. Each is a separate legal entity from 21ST CENTURY STEAM LIMITED: check the registered number before relying on a name. Register data as at 29 September 2026.
- 21ST CENTURY METAL TREATMENTS LTD (Company, Active, Birmingham; 12477014)
- 21ST CENTURY (FUNFAIRS) LIMITED (Company, Active, Birmingham; 02938128)
- 21ST CENTURY ABBA LTD (Company, Active, Solihull; 14506875)
- 21ST CENTURY ACCOMMODATION LLP (Limited liability partnership, Active, London; OC416759)
- 21ST CENTURY ACTORS MANAGEMENT LTD (Company, Active, London; 02729136)
- 21ST CENTURY ART LIMITED (Company, Active, Hastings; 03691046)
About CompanyStack
CompanyStack turns Companies House records into answers you can act on: who a company is, who runs and owns it, whether it keeps up with its filings and how its finances are moving. Every figure traces back to a public record, and we say when a record is missing.
Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.
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Official register entry: 21ST CENTURY STEAM LIMITED on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/11330729 — see the API documentation and pricing.