- Companies
- Plumbers and heating engineers
- Exeter
- CMH Plumbing and Heating Ltd
CMH Plumbing and Heating Ltd
- Company number
- 15377091
- Incorporated
- 30 Dec 20232 years trading
- Registered office
- 14 & 15 Southernhay West, Exeter, EX1 1PL
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation; Joinery installation; Floor and wall covering
CMH Plumbing and Heating Ltd is a 2-year-old private limited company registered in Exeter, company number 15377091, one of 98 plumbing and heating companies in Exeter. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £5,851 (+222.1%) on the year before, to £3,217.
- Current assets of £6,911 against £6,063 owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £3,217 | £6,911 | £6,911 | £6,063 | 1 |
| 31 Dec 2024 | -£2,634 | £1,407 | £1,407 | £7,502 | 1 |
Where CMH Plumbing and Heating Ltd is registered
The registered office is in Exeter (EX1), in the East Devon local authority area, England. Show EX1 1PL on a map.
Other trade companies in EX1
- Mor Edrin (Exeter) LimitedProperty developers
- Smart Doors and Windows LtdGlaziers
- CJW Garden Services LtdLandscapers and gardeners
- CW Auto Services LtdMechanics and garages
- Saltash Tyres & Auto Care LtdMechanics and garages
- South West Damp & Cavity Specialists LtdInstallers
- Weatherprotect Roofing LtdRoofers
- Urban Centric (Friary House) LtdProperty developers
Shared registered office
192 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if CMH Plumbing and Heating 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15377091
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 December 2023 (2 years ago)
- Registered office
- 14 & 15 Southernhay West, Exeter, EX1 1PL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Joinery installation (SIC 43320)
Floor and wall covering (SIC 43330) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 29 December 2025
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 Exeter
Other active plumbing and heating companies registered in Exeter.
- Coombe Plumbing and Heating Limited2017
- Crawfords Gas Plumbing & Heating Limited2021
- Dan Cook Heating Limited2017
- Devon Energy Ltd2020
- Devon Plumbing Solutions Limited2011
- Devon Renewables Ltd2024
- Devon Underfloor Heating Ltd.2016
- Eco Bee Energy Ltd2023
All plumbing and heating companies in Exeter · All trades in Exeter · Plumbers and heating engineers across the UK
Frequently asked questions
When are CMH Plumbing and Heating Ltd's accounts due?
CMH Plumbing and Heating Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is CMH Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is CMH Plumbing and Heating Ltd still trading?
CMH Plumbing and Heating 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 CMH Plumbing and Heating Ltd do?
CMH Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Joinery installation (SIC 43320); Floor and wall covering (SIC 43330).
How old is CMH Plumbing and Heating Ltd?
CMH Plumbing and Heating Ltd was incorporated on 30 December 2023, 2 years ago.
What is the penalty if CMH Plumbing and Heating 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 CMH Plumbing and Heating 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.