- Companies
- Plumbers and heating engineers
- Newport
- CLS Ventilation Ltd
CLS Ventilation Ltd
- Company number
- 17184705
- Incorporated
- 27 Apr 2026
- Registered office
- 26 Robertson Way, Malpas, Newport, Gwent, NP20 6QP
- Nature of business
- Plumbing, heat and air-conditioning installation
CLS Ventilation Ltd is a newly incorporated private limited company registered in Newport, company number 17184705, one of 108 plumbing and heating companies in Newport. Its next accounts are due at Companies House on 27 January 2028, and its first CT600 is due at HMRC on 26 April 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 CLS Ventilation Ltd is registered
The registered office is in Newport (NP20), in the Newport local authority area, Wales. Show NP20 6QP on a map.
Other trade companies in NP20
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- Fiesta Consultants LimitedFacilities management
- Phones and Tech Repairs LtdRepair services
- Micy Developments LtdProperty developers
- James Bros Plumbing & Electrical LtdPlumbers and heating engineers
- Ama Facilities Management LtdSpecialist contractors
- New Visual-Installations LtdInstallers
- James & Co Flooring Solutions LimitedFloor and wall tilers
What happens if CLS Ventilation 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 27 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Jan 2028 to 27 Feb 2028 | £150 |
| 1 to 3 months late | 28 Feb 2028 to 27 Apr 2028 | £375 |
| 3 to 6 months late | 28 Apr 2028 to 27 Jul 2028 | £750 |
| More than 6 months late | From 28 Jul 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
- 17184705
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 April 2026
- Registered office
- 26 Robertson Way, Malpas, Newport, Gwent, NP20 6QP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (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 Newport
Other active plumbing and heating companies registered in Newport.
- Colclough Plumbing and Heating Limited2018
- Country Boiler Services Limited1965
- D Squared Maintenance Services Limited2009
- Danlar Limited2018
- Dci Fire Protection Limited2018
- Dragon Heating & Cooling Ltd2026
- Dragon Heating & Plumbing Ltd2020
- Ductwork Services (Iow) Limited2007
All plumbing and heating companies in Newport · All trades in Newport · Plumbers and heating engineers across the UK
Frequently asked questions
When are CLS Ventilation Ltd's accounts due?
CLS Ventilation Ltd's next accounts are due at Companies House by 27 January 2028 (in 472 days), covering the period to 30 April 2027.
When is CLS Ventilation 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 26 April 2027, due by 26 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is CLS Ventilation Ltd still trading?
CLS Ventilation 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 CLS Ventilation Ltd do?
CLS Ventilation Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is CLS Ventilation Ltd?
CLS Ventilation Ltd was incorporated on 27 April 2026, less than a year ago.
What is the penalty if CLS Ventilation 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 CLS Ventilation 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.