- Companies
- Plumbers and heating engineers
- Par
- Cornwall Boilers Ltd
Cornwall Boilers Ltd
- Company number
- 16084247
- Incorporated
- 17 Nov 20241 year trading
- Registered office
- Pitts Farm Cottage, Tywardreath Highway, Par, PL24 2RN
- Nature of business
- Plumbing, heat and air-conditioning installation
Cornwall Boilers Ltd is a 1-year-old private limited company registered in Par, company number 16084247, one of the UK's plumbing and heating companies. Companies House shows its accounts as overdue: they were due on 17 August 2026.
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 Cornwall Boilers Ltd is registered
The registered office is in Par (PL24), in the Cornwall local authority area, South West. Show PL24 2RN on a map.
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What happens if Cornwall Boilers Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Aug 2026 to 17 Sep 2026 | £150 |
| 1 to 3 months late | 18 Sep 2026 to 17 Nov 2026 | £375 |
| 3 to 6 months late | 18 Nov 2026 to 17 Feb 2027 | £750 |
| More than 6 months late | From 18 Feb 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 16084247
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 November 2024 (1 year ago)
- Registered office
- Pitts Farm Cottage, Tywardreath Highway, Par, PL24 2RN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 16 November 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Par
Other active plumbing and heating companies registered in Par.
All plumbing and heating companies in Par · All trades in Par · Plumbers and heating engineers across the UK
Frequently asked questions
When are Cornwall Boilers Ltd's accounts due?
Cornwall Boilers Ltd's accounts were due at Companies House on 17 August 2026 and the register shows them as overdue.
When is Cornwall Boilers 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 16 November 2025, due by 16 November 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cornwall Boilers Ltd still trading?
Cornwall Boilers Ltd is listed as active on the Companies House register (checked 13 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 Boilers Ltd do?
Cornwall Boilers Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Cornwall Boilers Ltd?
Cornwall Boilers Ltd was incorporated on 17 November 2024, 1 year ago.
What is the penalty if Cornwall Boilers 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 Boilers Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.