- Companies
- Plumbers and heating engineers
- Glasgow
- C M Heating Systems Ltd
C M Heating Systems Ltd
- Company number
- SC890228
- Incorporated
- 20 May 2026
- Registered office
- C/O Hard Hat Group, 20-23 Woodside Place, Glasgow, G3 7QL
- Nature of business
- Plumbing, heat and air-conditioning installation
C M Heating Systems Ltd is a newly incorporated private limited company registered in Glasgow, company number SC890228, one of 515 plumbing and heating companies in Glasgow. Its next accounts are due at Companies House on 20 February 2028, and its first CT600 is due at HMRC on 19 May 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 C M Heating Systems Ltd is registered
The registered office is in Glasgow (G3), in the Glasgow City local authority area, Scotland. Show G3 7QL on a map.
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Also registered at this address
15 other companies use the same registered office as C M Heating Systems Ltd.
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What happens if C M Heating Systems 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 20 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Feb 2028 to 20 Mar 2028 | £150 |
| 1 to 3 months late | 21 Mar 2028 to 20 May 2028 | £375 |
| 3 to 6 months late | 21 May 2028 to 20 Aug 2028 | £750 |
| More than 6 months late | From 21 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- SC890228
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2026
- Registered office
- C/O Hard Hat Group, 20-23 Woodside Place, Glasgow, G3 7QL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (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 Glasgow
Other active plumbing and heating companies registered in Glasgow.
- C Ramsay Heating Services Ltd2023
- C2C Electrical Services Ltd2011
- Caledonian Commercial Insulation Ltd2026
- Caleroref Ltd2017
- Caley Gas Services Ltd.2017
- Calhame Heating Services Ltd2008
- Callor Ventus Ltd2019
- Calvana Gas and Plumbing Ltd2021
All plumbing and heating companies in Glasgow · All trades in Glasgow · Plumbers and heating engineers across the UK
Frequently asked questions
When are C M Heating Systems Ltd's accounts due?
C M Heating Systems Ltd's next accounts are due at Companies House by 20 February 2028 (in 495 days), covering the period to 31 May 2027.
When is C M Heating Systems 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 19 May 2027, due by 19 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is C M Heating Systems Ltd still trading?
C M Heating Systems 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 C M Heating Systems Ltd do?
C M Heating Systems Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is C M Heating Systems Ltd?
C M Heating Systems Ltd was incorporated on 20 May 2026, less than a year ago.
What is the penalty if C M Heating Systems 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 C M Heating Systems 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.