- Companies
- Plumbers and heating engineers
- Penarth
- Air Conditioning Cardiff Ltd
Air Conditioning Cardiff Ltd
- Company number
- 17303202
- Incorporated
- 26 Jun 2026
- Registered office
- 8 CWRT Ty Mawr, Penarth, CF64 3PZ
- Nature of business
- Plumbing, heat and air-conditioning installation
Air Conditioning Cardiff Ltd is a newly incorporated private limited company registered in Penarth, company number 17303202, one of 6 plumbing and heating companies in Penarth. Its next accounts are due at Companies House on 26 March 2028, and its first CT600 is due at HMRC on 25 June 2028.
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 Air Conditioning Cardiff Ltd is registered
The registered office is in Penarth (CF64), in the Vale of Glamorgan local authority area, Wales. Show CF64 3PZ on a map.
Other trade companies in CF64
- L Hillman Scaffolding LtdScaffolders
- Layward Projects LtdBuilders
- Vidi Aquam LtdPlumbers and heating engineers
- Ardena Property Developments LtdProperty developers
- Jet2Go Clean LtdCleaning companies
- JP Square LtdProperty developers
- Wells & Co Developments LtdInstallers
- A Grigoriou Plumbing & Heating LtdPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as Air Conditioning Cardiff Ltd.
- UK Commercial Gas LimitedSpecialist contractors
What happens if Air Conditioning Cardiff 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 26 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Mar 2028 to 26 Apr 2028 | £150 |
| 1 to 3 months late | 27 Apr 2028 to 26 Jun 2028 | £375 |
| 3 to 6 months late | 27 Jun 2028 to 26 Sep 2028 | £750 |
| More than 6 months late | From 27 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17303202
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2026
- Registered office
- 8 CWRT Ty Mawr, Penarth, CF64 3PZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
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 Penarth
Other active plumbing and heating companies registered in Penarth.
- Celtic Plumbing and Heating Ltd2002
- Gentile Plumbing and Heating Limited2024
- Sturdy Plumbing Company Limited1968
- Timeless Bathrooms Ltd2025
- A Grigoriou Plumbing & Heating Ltd2026
All plumbing and heating companies in Penarth · All trades in Penarth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Air Conditioning Cardiff Ltd's accounts due?
Air Conditioning Cardiff Ltd's next accounts are due at Companies House by 26 March 2028 (in 529 days), covering the period to 30 June 2027.
When is Air Conditioning Cardiff Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 25 June 2027, due by 25 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Air Conditioning Cardiff Ltd still trading?
Air Conditioning Cardiff 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 Air Conditioning Cardiff Ltd do?
Air Conditioning Cardiff Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Air Conditioning Cardiff Ltd?
Air Conditioning Cardiff Ltd was incorporated on 26 June 2026, less than a year ago.
What is the penalty if Air Conditioning Cardiff 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 Air Conditioning Cardiff 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.