- Company number
- 17355450
- Incorporated
- 22 Jul 2026
- Registered office
- Unit B2 Walker Business Park Threemilestone Industrial Estate, Threemilestone, Truro, TR4 9FB
- Nature of business
- Roofing activities
Slate Worx (Cornwall) Ltd is a newly incorporated private limited company registered in Truro, company number 17355450, one of the UK's roofing companies. Its next accounts are due at Companies House on 22 April 2028, and its first CT600 is due at HMRC on 21 July 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.
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Where Slate Worx (Cornwall) Ltd is registered
The registered office is in Truro (TR4), in the Cornwall local authority area, South West. Show TR4 9FB on a map.
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What happens if Slate Worx (Cornwall) 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 22 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Apr 2028 to 22 May 2028 | £150 |
| 1 to 3 months late | 23 May 2028 to 22 Jul 2028 | £375 |
| 3 to 6 months late | 23 Jul 2028 to 22 Oct 2028 | £750 |
| More than 6 months late | From 23 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17355450
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 July 2026
- Registered office
- Unit B2 Walker Business Park Threemilestone Industrial Estate, Threemilestone, Truro, TR4 9FB
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Truro
Other active roofing companies registered in Truro.
- Western Flat Roofing Company Limited2010
- B Graham Roofing & Guttering Ltd2026
- High Level Maintenance (Southwest) Limited2013
All roofing companies in Truro · All trades in Truro · Roofers across the UK
Frequently asked questions
When are Slate Worx (Cornwall) Ltd's accounts due?
Slate Worx (Cornwall) Ltd's next accounts are due at Companies House by 22 April 2028 (in 557 days), covering the period to 31 July 2027.
When is Slate Worx (Cornwall) 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 21 July 2027, due by 21 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Slate Worx (Cornwall) Ltd still trading?
Slate Worx (Cornwall) 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 Slate Worx (Cornwall) Ltd do?
Slate Worx (Cornwall) Ltd is registered under Roofing activities (SIC 43910).
How old is Slate Worx (Cornwall) Ltd?
Slate Worx (Cornwall) Ltd was incorporated on 22 July 2026, less than a year ago.
What is the penalty if Slate Worx (Cornwall) 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 Slate Worx (Cornwall) 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.