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Company profile · Builders
Ronclad Ltd
Ronclad Ltd is a newly incorporated private limited company registered in Basingstoke, company number 16899468, one of 124 building contractors in Basingstoke. Its next accounts are due at Companies House on 9 September 2027, and its first CT600 is due at HMRC on 8 December 2027.
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.
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Where Ronclad Ltd is registered
The registered office is in Basingstoke (RG21), in the Basingstoke and Deane local authority area, South East. Show RG21 7BY on a map.
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What happens if Ronclad 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 9 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Sep 2027 to 9 Oct 2027 | £150 |
| 1 to 3 months late | 10 Oct 2027 to 9 Dec 2027 | £375 |
| 3 to 6 months late | 10 Dec 2027 to 9 Mar 2028 | £750 |
| More than 6 months late | From 10 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16899468
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 December 2025
- Registered office
- 28 Innovation Court, New Street, Basingstoke, RG21 7BY
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (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 Basingstoke
Other active building contractors registered in Basingstoke.
- RTT Titanbuild Ltd2026
- SD1912 Ltd2020
- Shree Construction Ltd2025
- Smarter Home Solutions Ltd2026
- SMCR Ltd2026
- South Fire Protection Ltd2020
- Stonefront Ltd2025
- Structice Engineering Consultants Ltd2017
All building contractors in Basingstoke · All trades in Basingstoke · Builders across the UK
Frequently asked questions
When are Ronclad Ltd's accounts due?
Ronclad Ltd's next accounts are due at Companies House by 9 September 2027 (in 332 days), covering the period to 31 December 2026.
When is Ronclad 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 8 December 2026, due by 8 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ronclad Ltd still trading?
Ronclad 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 Ronclad Ltd do?
Ronclad Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Ronclad Ltd?
Ronclad Ltd was incorporated on 9 December 2025, less than a year ago.
What is the penalty if Ronclad 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 Ronclad 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.