- Companies
- Plumbers and heating engineers
- Cardiff
- Cardiff Heating & Plumbing (South Wales) Ltd
Cardiff Heating & Plumbing (South Wales) Ltd
- Company number
- 11292016
- Incorporated
- 4 Apr 20188 years trading
- Registered office
- 16 Castlefield Place, Cardiff, CF14 3DU
- Nature of business
- Plumbing, heat and air-conditioning installation
Cardiff Heating & Plumbing (South Wales) Ltd is a 8-year-old private limited company registered in Cardiff, company number 11292016, one of 170 plumbing and heating companies in Cardiff. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 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 £16K (+55.8%) on the year before, to -£13K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £17K against £27K owed within a year: 0.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | -£13K | £1,913 | £17K | £27K | 1 |
| 30 Apr 2025 | -£29K | £2,903 | £7,586 | £37K | 1 |
| 30 Apr 2024 | -£32K | £5,092 | £7,282 | £35K | 1 |
| 30 Apr 2023 | -£43K | £968 | £2,388 | £35K | 3 |
| 30 Apr 2022 | £631 | £6,062 | £49K | £36K | 2 |
| 30 Apr 2021 | £222 | £15K | £39K | £21K | 2 |
| 30 Apr 2020 | £8,339 | £12K | £23K | £26K | 2 |
| 30 Apr 2019 | £11K | £6,181 | £8,349 | £11K | 2 |
Where Cardiff Heating & Plumbing (South Wales) Ltd is registered
The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 3DU on a map.
Other trade companies in CF14
- Velren Group LtdProperty developers
- Premierroofcare LtdRoofers
- JLG Groundworks LtdCleaning companies
- Tidyvibz LtdCleaning companies
- Ayyappa MTD LtdBuilders
- KM Phoenix Pond, Garden & General Maintenance LtdLandscapers and gardeners
- Eco Green Property Service LtdFinishing trades
- S and J Accident Repairs LtdPainters and decorators
What happens if Cardiff Heating & Plumbing (South Wales) 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 11292016
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 April 2018 (8 years ago)
- Registered office
- 16 Castlefield Place, Cardiff, CF14 3DU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 3 April 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 Cardiff
Other active plumbing and heating companies registered in Cardiff.
- Cardiff Heating and Plumbing Limited2026
- Cardiff Plumbing Contractors Ltd2024
- Cardiff Plumbing Limited2025
- Cardiff Plumbing Management Ltd2011
- CBS Plumbing, Heating and Mechanical Limited2023
- CC Plumbing and Gas Ltd2026
- CCR Building & Maintenance Limited2018
- Celtic Cooling and Heating Limited2003
All plumbing and heating companies in Cardiff · All trades in Cardiff · Plumbers and heating engineers across the UK
Frequently asked questions
When are Cardiff Heating & Plumbing (South Wales) Ltd's accounts due?
Cardiff Heating & Plumbing (South Wales) Ltd's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Cardiff Heating & Plumbing (South Wales) Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Cardiff Heating & Plumbing (South Wales) Ltd still trading?
Cardiff Heating & Plumbing (South Wales) 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 Cardiff Heating & Plumbing (South Wales) Ltd do?
Cardiff Heating & Plumbing (South Wales) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Cardiff Heating & Plumbing (South Wales) Ltd?
Cardiff Heating & Plumbing (South Wales) Ltd was incorporated on 4 April 2018, 8 years ago.
What is the penalty if Cardiff Heating & Plumbing (South Wales) 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 Cardiff Heating & Plumbing (South Wales) 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.