- Companies
- Plumbers and heating engineers
- Cardiff
- CBS Plumbing, Heating and Mechanical Limited
CBS Plumbing, Heating and Mechanical Limited
- Company number
- 15074802
- Incorporated
- 15 Aug 20233 years trading
- Registered office
- 102 Wenallt Road, Cardiff, CF14 6TP
- Nature of business
- Plumbing, heat and air-conditioning installation
CBS Plumbing, Heating and Mechanical Limited is a 3-year-old private limited company registered in Cardiff, company number 15074802, one of 170 plumbing and heating companies in Cardiff. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
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 down £467 (-96.3%) on the year before, to £18.
- Current assets of £33K against £33K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £18 | £33K | £33K | 1 | |
| 31 Aug 2024 | £485 | £6,327 | £4,842 | 1 |
Where CBS Plumbing, Heating and Mechanical Limited is registered
The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 6TP 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 CBS Plumbing, Heating and Mechanical Limited 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15074802
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 August 2023 (3 years ago)
- Registered office
- 102 Wenallt Road, Cardiff, CF14 6TP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 14 August 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.
- CC Plumbing and Gas Ltd2026
- CCR Building & Maintenance Limited2018
- Celtic Cooling and Heating Limited2003
- Change My Boiler Ltd2021
- CJ Heating & Renewables Limited2025
- Climate Control Cardiff Ltd2026
- Climate Control Systems Ltd2026
- Climate Engineers Limited2018
All plumbing and heating companies in Cardiff · All trades in Cardiff · Plumbers and heating engineers across the UK
Frequently asked questions
When are CBS Plumbing, Heating and Mechanical Limited's accounts due?
CBS Plumbing, Heating and Mechanical Limited's next accounts are due at Companies House by 31 May 2027 (in 229 days), covering the period to 31 August 2026.
When is CBS Plumbing, Heating and Mechanical Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is CBS Plumbing, Heating and Mechanical Limited still trading?
CBS Plumbing, Heating and Mechanical Limited 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 CBS Plumbing, Heating and Mechanical Limited do?
CBS Plumbing, Heating and Mechanical Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is CBS Plumbing, Heating and Mechanical Limited?
CBS Plumbing, Heating and Mechanical Limited was incorporated on 15 August 2023, 3 years ago.
What is the penalty if CBS Plumbing, Heating and Mechanical Limited 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 CBS Plumbing, Heating and Mechanical Limited 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.