- Company number
- 17172712
- Incorporated
- 21 Apr 2026
- Registered office
- Flat 53C Commercial Road, Morse Street, Swindon, SN1 5NX
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Sun13 Ltd is a newly incorporated private limited company registered in Swindon, company number 17172712, one of 267 building contractors in Swindon. Its next accounts are due at Companies House on 21 January 2028, and its first CT600 is due at HMRC on 20 April 2028.
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.
Is this your company?
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Where Sun13 Ltd is registered
The registered office is in Swindon (SN1), in the Swindon local authority area, South West. Show SN1 5NX on a map.
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What happens if Sun13 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 21 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Jan 2028 to 21 Feb 2028 | £150 |
| 1 to 3 months late | 22 Feb 2028 to 21 Apr 2028 | £375 |
| 3 to 6 months late | 22 Apr 2028 to 21 Jul 2028 | £750 |
| More than 6 months late | From 22 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17172712
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 April 2026
- Registered office
- Flat 53C Commercial Road, Morse Street, Swindon, SN1 5NX
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Swindon
Other active building contractors registered in Swindon.
- Swiftbrick Limited2019
- Swindon Loft Conversions (Be) Ltd2023
- Swindonrenovations Ltd2025
- The Blewbury Building Company Limited2011
- Thread - Tech & Sole Limited2026
- Tidymania Ltd2024
- Total Build & Landscape Ltd2026
- Total Cladding and Roofing Ltd2021
All building contractors in Swindon · All trades in Swindon · Builders across the UK
Frequently asked questions
When are Sun13 Ltd's accounts due?
Sun13 Ltd's next accounts are due at Companies House by 21 January 2028 (in 466 days), covering the period to 30 April 2027.
When is Sun13 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 20 April 2027, due by 20 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sun13 Ltd still trading?
Sun13 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 Sun13 Ltd do?
Sun13 Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Sun13 Ltd?
Sun13 Ltd was incorporated on 21 April 2026, less than a year ago.
What is the penalty if Sun13 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 Sun13 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.