- Companies
- Civil engineering
- Porth
- G W Rail Limited
G W Rail Limited
- Company number
- 12016857
- Incorporated
- 24 May 20197 years trading
- Registered office
- 18 Weston Terrace, Porth, Rhondda Cynon Taff, CF39 0ER
- Nature of business
- Construction of railways and underground railways
G W Rail Limited is a 7-year-old private limited company registered in Porth, company number 12016857, one of 24 civil engineering contractors in Porth. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £1,707 (+8.7%) on the year before, to £21K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £35K against £7,364 owed within a year: 4.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £21K | £35K | £7,364 | 1 | |
| 29 Feb 2024 | £20K | £36K | £11K | 1 | |
| 31 Mar 2023 | £48K | £81K | £29K | 1 | |
| 30 Apr 2022 | £12K | £40K | £23K | 1 | |
| 30 Apr 2021 | £3,790 | £14K | £5,667 | 1 | |
| 31 May 2020 | £9,518 | £16K | £5,963 | 1 |
Where G W Rail Limited is registered
The registered office is in Porth (CF39), in the Rhondda Cynon Taf local authority area, Wales. Show CF39 0ER on a map.
Other trade companies in CF39
- Nvme Detailing LimitedMechanics and garages
- Choctar LimitedBuilders
- J Cantwell Surfacing & Contracting LtdCivil engineering
- Ok Rail LtdCivil engineering
- Porth Ceilings & Interiors LtdFinishing trades
- Wydex LtdBuilders
- Time Lec Services LtdElectricians
- Arb-Scape Tree Surgery & Landscaping LtdLandscapers and gardeners
Also registered at this address
1 other company uses the same registered office as G W Rail Limited.
- GW Rail Solutions LtdCivil engineering
What happens if G W Rail Limited 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 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
- 12016857
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 May 2019 (7 years ago)
- Registered office
- 18 Weston Terrace, Porth, Rhondda Cynon Taff, CF39 0ER
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 23 May 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 Porth
Other active civil engineering contractors registered in Porth.
- GW Rail Solutions Ltd2024
- Highway Reinstatements Ltd2005
- J G Legge Ltd2023
- Langmead Construction Limited2004
- NB Civils & Surfacing Ltd2010
- NJ Rail Ltd2024
- Ojl Brickwork Rail Ltd2016
- Ok Rail Ltd2026
All civil engineering contractors in Porth · All trades in Porth · Civil engineering across the UK
Frequently asked questions
When are G W Rail Limited's accounts due?
G W Rail Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is G W Rail Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is G W Rail Limited still trading?
G W Rail Limited 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 G W Rail Limited do?
G W Rail Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is G W Rail Limited?
G W Rail Limited was incorporated on 24 May 2019, 7 years ago.
What is the penalty if G W Rail Limited 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 G W Rail Limited 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.