- Companies
- Builders
- Caerphilly
- Ko Plumbing Heating Ltd
Ko Plumbing Heating Ltd
- Company number
- 13133185
- Incorporated
- 14 Jan 20215 years trading
- Registered office
- 86 First Avenue, Trecenydd, Caerphilly, CF83 2SD
- Nature of business
- Construction of domestic buildings; Plumbing, heat and air-conditioning installation
Ko Plumbing Heating Ltd is a 5-year-old private limited company registered in Caerphilly, company number 13133185, one of 37 building contractors in Caerphilly. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £16 (+10.3%) on the year before, to £172.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £6,591 against £8,112 owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £172 | £157 | £6,591 | £8,112 | 1 |
| 31 Jan 2025 | £156 | £450 | £9,832 | £13K | 1 |
| 31 Jan 2024 | £193 | £2,132 | £15K | £20K | 1 |
| 31 Jan 2023 | £262 | £2,534 | £22K | £27K | 1 |
| 31 Jan 2022 | £218 | £4,401 | £9,457 | £16K | 1 |
Where Ko Plumbing Heating Ltd is registered
The registered office is in Caerphilly (CF83), in the Caerphilly local authority area, Wales. Show CF83 2SD on a map.
Other trade companies in CF83
- Owen PM LimitedBuilders
- Ecamscymru LtdMachinery repair and installation
- Bee Green Plumbing Solutions LtdPlumbers and heating engineers
- Tyga Constuction LimitedBuilders
- Grip Rip MX LtdMotor traders
- Da' Grave LtdRepair services
- First Class Cleaning Solutions LtdCleaning companies
- Vehicle Accident Repairs Solutions LtdMotor traders
What happens if Ko Plumbing 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13133185
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 January 2021 (5 years ago)
- Registered office
- 86 First Avenue, Trecenydd, Caerphilly, CF83 2SD
- Nature of business
- Construction of domestic buildings (SIC 41202)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 7 January 2026
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 Caerphilly
Other active building contractors registered in Caerphilly.
- LPJ Property Revive Ltd2026
- Melyn Construction Limited2019
- Melyn Facilities Limited2025
- MGC West Wales Limited2020
- N Prosser Building Maintenance Ltd2018
- Nelson Fields Limited2016
- Owen PM Limited2026
- Parry Construction & Labour Limited2025
All building contractors in Caerphilly · All trades in Caerphilly · Builders across the UK
Frequently asked questions
When are Ko Plumbing Heating Ltd's accounts due?
Ko Plumbing Heating Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Ko Plumbing Heating Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Ko Plumbing Heating Ltd still trading?
Ko Plumbing 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 Ko Plumbing Heating Ltd do?
Ko Plumbing Heating Ltd is registered under Construction of domestic buildings (SIC 41202); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ko Plumbing Heating Ltd?
Ko Plumbing Heating Ltd was incorporated on 14 January 2021, 5 years ago.
What is the penalty if Ko Plumbing 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 Ko Plumbing 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.