- Companies
- Civil engineering
- Swindon
- Thornton Independent Ltd
Thornton Independent Ltd
- Company number
- 15609585
- Incorporated
- 2 Apr 20242 years trading
- Registered office
- 65 Standen Way, Swindon, SN25 4YG
- Nature of business
- Construction of railways and underground railways
Thornton Independent Ltd is a 2-year-old private limited company registered in Swindon, company number 15609585, one of 67 civil engineering contractors in Swindon. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 30 April 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Thornton Independent Ltd is registered
The registered office is in Swindon (SN25), in the Swindon local authority area, South West. Show SN25 4YG on a map.
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What happens if Thornton Independent 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15609585
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 April 2024 (2 years ago)
- Registered office
- 65 Standen Way, Swindon, SN25 4YG
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 1 April 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 Swindon
Other active civil engineering contractors registered in Swindon.
- UK Groundwork Contractors Limited2017
- Unity Signalling Ltd2026
- Woodleaze Groundworks and Civil Engineering Ltd2019
- Woody's Water Utilities Ltd2026
- Wroughton Building Contractors Limited2001
- Yeokom Engineering Ltd2017
- Andrew Group Construct Ltd2024
- Art Traffic Management Limited2017
All civil engineering contractors in Swindon · All trades in Swindon · Civil engineering across the UK
Frequently asked questions
When are Thornton Independent Ltd's accounts due?
Thornton Independent Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Thornton Independent Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Thornton Independent Ltd still trading?
Thornton Independent 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 Thornton Independent Ltd do?
Thornton Independent Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Thornton Independent Ltd?
Thornton Independent Ltd was incorporated on 2 April 2024, 2 years ago.
What is the penalty if Thornton Independent 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 Thornton Independent 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.