- Companies
- Groundworks and demolition
- Camborne
- Cornwall Sewage & Groundworks Ltd
Cornwall Sewage & Groundworks Ltd
- Company number
- 17397869
- Incorporated
- 13 Aug 2026
- Registered office
- 5 Wheal Agar Tolvaddon Energy Park, Tolvaddon, Camborne, TR14 0HX
- Nature of business
- Site preparation
Cornwall Sewage & Groundworks Ltd is a newly incorporated private limited company registered in Camborne, company number 17397869, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 13 May 2028, and its first CT600 is due at HMRC on 12 August 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 Cornwall Sewage & Groundworks Ltd is registered
The registered office is in Camborne (TR14), in the Cornwall local authority area, South West. Show TR14 0HX on a map.
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Also registered at this address
1 other company uses the same registered office as Cornwall Sewage & Groundworks Ltd.
- James Home Improvements LtdFinishing trades
What happens if Cornwall Sewage & Groundworks 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 13 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 May 2028 to 13 Jun 2028 | £150 |
| 1 to 3 months late | 14 Jun 2028 to 13 Aug 2028 | £375 |
| 3 to 6 months late | 14 Aug 2028 to 13 Nov 2028 | £750 |
| More than 6 months late | From 14 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17397869
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 August 2026
- Registered office
- 5 Wheal Agar Tolvaddon Energy Park, Tolvaddon, Camborne, TR14 0HX
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Camborne
Other active groundworks and demolition companies registered in Camborne.
All groundworks and demolition companies in Camborne · All trades in Camborne · Groundworks and demolition across the UK
Frequently asked questions
When are Cornwall Sewage & Groundworks Ltd's accounts due?
Cornwall Sewage & Groundworks Ltd's next accounts are due at Companies House by 13 May 2028 (in 577 days), covering the period to 31 August 2027.
When is Cornwall Sewage & Groundworks 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 12 August 2027, due by 12 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cornwall Sewage & Groundworks Ltd still trading?
Cornwall Sewage & Groundworks 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 Cornwall Sewage & Groundworks Ltd do?
Cornwall Sewage & Groundworks Ltd is registered under Site preparation (SIC 43120).
How old is Cornwall Sewage & Groundworks Ltd?
Cornwall Sewage & Groundworks Ltd was incorporated on 13 August 2026, less than a year ago.
What is the penalty if Cornwall Sewage & Groundworks 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 Cornwall Sewage & Groundworks 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.