- Companies
- Civil engineering
- Westbury
- Western Signalling Ltd
Western Signalling Ltd
- Company number
- 15533405
- Incorporated
- 1 Mar 20242 years trading
- Registered office
- 23 Hackney Way, Westbury, BA13 2GE
- Nature of business
- Construction of railways and underground railways
Western Signalling Ltd is a 2-year-old private limited company registered in Westbury, company number 15533405, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 31 March 2025, as filed at Companies House.
Where Western Signalling Ltd is registered
The registered office is in Westbury (BA13), in the Wiltshire local authority area, South West. Show BA13 2GE on a map.
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What happens if Western Signalling 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15533405
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 March 2024 (2 years ago)
- Registered office
- 23 Hackney Way, Westbury, BA13 2GE
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 23 February 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 Westbury
Other active civil engineering contractors registered in Westbury.
All civil engineering contractors in Westbury · All trades in Westbury · Civil engineering across the UK
Frequently asked questions
When are Western Signalling Ltd's accounts due?
Western Signalling Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Western Signalling Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Western Signalling Ltd still trading?
Western Signalling 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 Western Signalling Ltd do?
Western Signalling Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Western Signalling Ltd?
Western Signalling Ltd was incorporated on 1 March 2024, 2 years ago.
What is the penalty if Western Signalling 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 Western Signalling 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.