- Companies
- Plumbers and heating engineers
- Cardiff
- Ryzen Heat Ltd
Ryzen Heat Ltd
- Company number
- 15767532
- Incorporated
- 7 Jun 20242 years trading
- Registered office
- International House, 10 Churchill Way, Cardiff, CF10 2HE
- Nature of business
- Plumbing, heat and air-conditioning installation
Ryzen Heat Ltd is a 2-year-old private limited company registered in Cardiff, company number 15767532, one of 170 plumbing and heating companies in Cardiff. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
Where Ryzen Heat Ltd is registered
The registered office is in Cardiff (CF10), in the Cardiff local authority area, Wales. Show CF10 2HE 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
8 other companies use the same registered office as Ryzen Heat Ltd.
- Clive Livermore LimitedProperty developers
- Cross Brickwork and Construction LtdBuilders
- Frost Project Services LtdElectricians
- Markle Engineering LimitedMachinery repair and installation
- Nanichi LtdBuilders
- Ovenbright & Beyond LtdCleaning companies
- Phoenix Glow Cleaning LimitedCleaning companies
- Quick,Son(South & West)LimitedJoiners and carpenters
What happens if Ryzen Heat 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 15767532
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 June 2024 (2 years ago)
- Registered office
- International House, 10 Churchill Way, Cardiff, CF10 2HE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 6 June 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.
- Solvit (Wales) Ltd2003
- Spartan HVAC Ltd2026
- Spire Renewables Limited2014
- Stanflow Ltd2024
- Stokes and Sons Heating Ltd2022
- Stoneflow U.K. Ltd2017
- Suiteheat Cardiff Ltd2025
- Sweet Heat Plumbing & Heating Limited2025
All plumbing and heating companies in Cardiff · All trades in Cardiff · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ryzen Heat Ltd's accounts due?
Ryzen Heat Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Ryzen Heat Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Ryzen Heat Ltd still trading?
Ryzen Heat 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 Ryzen Heat Ltd do?
Ryzen Heat Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ryzen Heat Ltd?
Ryzen Heat Ltd was incorporated on 7 June 2024, 2 years ago.
What is the penalty if Ryzen Heat 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 Ryzen Heat 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.