- Companies
- Plumbers and heating engineers
- Portishead
- Coryknight Plumbing and Heating Ltd
Coryknight Plumbing and Heating Ltd
- Company number
- 16322886
- Incorporated
- 18 Mar 20251 year trading
- Registered office
- 2 Brock End, Portishead, Bristol, BS20 8AS
- Nature of business
- Plumbing, heat and air-conditioning installation
Coryknight Plumbing and Heating Ltd is a 1-year-old private limited company registered in Portishead, company number 16322886, one of 22 plumbing and heating companies in Portishead. Its next accounts are due at Companies House on 18 December 2026, and its first CT600 is due at HMRC on 17 March 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.
Is this your company?
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Where Coryknight Plumbing and Heating Ltd is registered
The registered office is in Portishead (BS20), in the North Somerset local authority area, South West. Show BS20 8AS on a map.
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What happens if Coryknight Plumbing and Heating 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 18 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Dec 2026 to 18 Jan 2027 | £150 |
| 1 to 3 months late | 19 Jan 2027 to 18 Mar 2027 | £375 |
| 3 to 6 months late | 19 Mar 2027 to 18 Jun 2027 | £750 |
| More than 6 months late | From 19 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16322886
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2025 (1 year ago)
- Registered office
- 2 Brock End, Portishead, Bristol, BS20 8AS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 17 March 2026
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 Portishead
Other active plumbing and heating companies registered in Portishead.
- D Murphy Plumbing & Heating Ltd2017
- DR Plumbing Services Limited2007
- Hete Ltd2017
- J Dooley Plumbing and Heating Limited2014
- Joe Pring Ltd2018
- Liberty Access Limited2026
- Matt Tiltman Ltd2021
- MG Plumbing and Heating (South West) Ltd2021
All plumbing and heating companies in Portishead · All trades in Portishead · Plumbers and heating engineers across the UK
Frequently asked questions
When are Coryknight Plumbing and Heating Ltd's accounts due?
Coryknight Plumbing and Heating Ltd's next accounts are due at Companies House by 18 December 2026 (in 66 days), covering the period to 31 March 2026.
When is Coryknight Plumbing and Heating 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 17 March 2026, due by 17 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Coryknight Plumbing and Heating Ltd still trading?
Coryknight Plumbing and Heating 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 Coryknight Plumbing and Heating Ltd do?
Coryknight Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Coryknight Plumbing and Heating Ltd?
Coryknight Plumbing and Heating Ltd was incorporated on 18 March 2025, 1 year ago.
What is the penalty if Coryknight Plumbing and Heating 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 Coryknight Plumbing and Heating 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.