- Companies
- Plumbers and heating engineers
- Cardiff
- Cardiff Plumbing Limited
Cardiff Plumbing Limited
- Company number
- 16731504
- Incorporated
- 21 Sep 20251 year trading
- Registered office
- 113-116 Bute Street, Cardiff, CF10 5EQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Cardiff Plumbing Limited is a 1-year-old private limited company registered in Cardiff, company number 16731504, one of 170 plumbing and heating companies in Cardiff. Its next accounts are due at Companies House on 21 June 2027, and its first CT600 is due at HMRC on 20 September 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.
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Where Cardiff Plumbing Limited is registered
The registered office is in Cardiff (CF10), in the Cardiff local authority area, Wales. Show CF10 5EQ on a map.
Other trade companies in CF10
- Hudcon LtdBuilders
- Skyline Pitched and Flat Roofing LtdRoofers
- Eclipse Construction Group LtdPlasterers
- DWR Plumbing LtdPlumbers and heating engineers
- CF Glazing LtdGlaziers
- Regency Construction Group LtdProperty developers
- Qproperty Solutions LimitedFinishing trades
- Express Vehicle Services (Cardiff) LimitedMechanics and garages
Also registered at this address
3 other companies use the same registered office as Cardiff Plumbing Limited.
- Bailey Power LtdElectricians
- Bespoke Gardens Group LtdLandscapers and gardeners
- Propertyindex Construction LtdBuilders
What happens if Cardiff Plumbing 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 21 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Jun 2027 to 21 Jul 2027 | £150 |
| 1 to 3 months late | 22 Jul 2027 to 21 Sep 2027 | £375 |
| 3 to 6 months late | 22 Sep 2027 to 21 Dec 2027 | £750 |
| More than 6 months late | From 22 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16731504
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 2025 (1 year ago)
- Registered office
- 113-116 Bute Street, Cardiff, CF10 5EQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 20 September 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 Plumbing Management Ltd2011
- CBS Plumbing, Heating and Mechanical Limited2023
- 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
All plumbing and heating companies in Cardiff · All trades in Cardiff · Plumbers and heating engineers across the UK
Frequently asked questions
When are Cardiff Plumbing Limited's accounts due?
Cardiff Plumbing Limited's next accounts are due at Companies House by 21 June 2027 (in 251 days), covering the period to 30 September 2026.
When is Cardiff Plumbing Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 September 2026, due by 20 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cardiff Plumbing Limited still trading?
Cardiff Plumbing 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 Cardiff Plumbing Limited do?
Cardiff Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Cardiff Plumbing Limited?
Cardiff Plumbing Limited was incorporated on 21 September 2025, 1 year ago.
What is the penalty if Cardiff Plumbing 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 Cardiff Plumbing 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.