- Companies
- Plumbers and heating engineers
- Caerphilly
- JMT Plumbing and Heating Ltd
JMT Plumbing and Heating Ltd
- Company number
- 14184437
- Incorporated
- 20 Jun 20224 years trading
- Registered office
- 7 Under the Meio, Abertridwr, Caerphilly, CF83 4BZ
- Nature of business
- Plumbing, heat and air-conditioning installation
JMT Plumbing and Heating Ltd is a 4-year-old private limited company registered in Caerphilly, company number 14184437, one of 32 plumbing and heating companies in Caerphilly. Its next accounts are due at Companies House on 27 March 2027, and the CT600 for the period to 27 June 2026 is due at HMRC on 27 June 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 down £605 (-5.8%) on the year before, to £9,776.
- Current assets of £24K against £17K owed within a year: 1.4 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £9,776 | £24K | £17K | 2 | |
| 30 Jun 2024 | £10K | £21K | £15K | 1 | |
| 30 Jun 2023 | £3,613 | £15K | £18K | 1 |
Where JMT Plumbing and Heating Ltd is registered
The registered office is in Caerphilly (CF83), in the Caerphilly local authority area, Wales. Show CF83 4BZ on a map.
Other trade companies in CF83
- Owen PM LimitedBuilders
- Ecamscymru LtdMachinery repair and installation
- Bee Green Plumbing Solutions LtdPlumbers and heating engineers
- Tyga Constuction LimitedBuilders
- Grip Rip MX LtdMotor traders
- Da' Grave LtdRepair services
- First Class Cleaning Solutions LtdCleaning companies
- Vehicle Accident Repairs Solutions LtdMotor traders
What happens if JMT 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 27 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Mar 2027 to 27 Apr 2027 | £150 |
| 1 to 3 months late | 28 Apr 2027 to 27 Jun 2027 | £375 |
| 3 to 6 months late | 28 Jun 2027 to 27 Sep 2027 | £750 |
| More than 6 months late | From 28 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 Jun 2027 | £200 |
| 3 months late | 27 Sep 2027 | another £200 |
| 6 months late | 27 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 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
- 14184437
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2022 (4 years ago)
- Registered office
- 7 Under the Meio, Abertridwr, Caerphilly, CF83 4BZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 27 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 19 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 Caerphilly
Other active plumbing and heating companies registered in Caerphilly.
- Lucid Blu' Ltd2018
- Luke Humphreys Plumbing & Heating Ltd2024
- Marc Nash Plumbing & Heating Ltd2023
- One-Stop Appliance Repairs Limited2021
- Peterson Plumbing and Heating Limited2026
- Plumb Tidy Ltd2019
- Pro-Tect Plumbing & Bathrooms Ltd2026
- Renewable Innovations Ltd2012
All plumbing and heating companies in Caerphilly · All trades in Caerphilly · Plumbers and heating engineers across the UK
Frequently asked questions
When are JMT Plumbing and Heating Ltd's accounts due?
JMT Plumbing and Heating Ltd's next accounts are due at Companies House by 27 March 2027 (in 165 days), covering the period to 27 June 2026.
When is JMT Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 27 June 2026 is due at HMRC by 27 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 March 2027.
Is JMT Plumbing and Heating Ltd still trading?
JMT 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 JMT Plumbing and Heating Ltd do?
JMT Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JMT Plumbing and Heating Ltd?
JMT Plumbing and Heating Ltd was incorporated on 20 June 2022, 4 years ago.
What is the penalty if JMT 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 JMT 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.