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- Plumbers and heating engineers
- Pontypridd
- MTH Heating Limited
Company profile · Plumbers and heating engineers
MTH Heating Limited
MTH Heating Limited is a 15-year-old private limited company registered in Pontypridd, company number 07787712, one of 37 plumbing and heating companies in Pontypridd. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
MTH Heating Limited over the years
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 £57K (-254%) on the year before, to -£35K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £57K against £95K owed within a year: 0.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£35K | £5,434 | £57K | £95K | 2 |
| 30 Sep 2023 | £22K | £73K | £352K | £321K | 2 |
| 30 Sep 2022 | £14K | £39K | £285K | £258K | 3 |
| 30 Sep 2021 | -£41K | £0 | £99K | £112K | 4 |
| 30 Sep 2020 | £4,472 | £47K | £131K | £108K | 3 |
| 30 Sep 2019 | £3,324 | £7,759 | £109K | £115K | 2 |
| 30 Sep 2018 | -£217 | £27K | £86K | £99K | 3 |
| 30 Sep 2017 | -£33K | £7,751 | £43K | £93K | 3 |
| 30 Sep 2016 | £381 | £0 | £242K | £263K | |
| 30 Sep 2015 | £11K | £26K | £161K | £175K |
Where MTH Heating Limited is registered
The registered office is in Pontypridd (CF37), in the Rhondda Cynon Taf local authority area, Wales. Show CF37 2BW on a map.
Other trade companies in CF37
- Hamilton Motor Group LtdMotor traders
- Pencoed Building Services LtdSpecialist contractors
- Pyo Property Developments LimitedBuilders
- Great Choice Leisure Vehicles LimitedMotor traders
- C2 Interior Contractors LtdBuilders
- Carpet Mine LtdFinishing trades
- LCH4RP LtdProperty developers
- LCH4Est LtdProperty developers
Also registered at this address
7 other companies use the same registered office as MTH Heating Limited.
- Acacia Eco Trading LimitedCleaning companies
- Cardiff Groundcare LimitedLandscapers and gardeners
- Envirobuild Property Solutions LtdBuilders
- John Curley Scaffolding (Wales) LimitedScaffolders
- Town & Counties Construction LimitedCivil engineering
- Vale Carpentry LimitedJoiners and carpenters
- WJKK Investments LimitedProperty developers
What happens if MTH Heating Limited 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07787712
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2011 (15 years ago)
- Registered office
- 13-14 Gelliwastad Road, Pontypridd, CF37 2BW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 30 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 Pontypridd
Other active plumbing and heating companies registered in Pontypridd.
- Multi Choice Plumbing Ltd2023
- Multi Heat Ltd2025
- Multi-Heat Services Ltd2011
- Oliver’S Services Limited2022
- Optima Heating Limited2003
- Owain Evans Heating Limited2015
- Pennington & White Gas Engineering Services Ltd2025
- Pontypridd Plumbing and Home Improvements Ltd2025
All plumbing and heating companies in Pontypridd · All trades in Pontypridd · Plumbers and heating engineers across the UK
Frequently asked questions
When are MTH Heating Limited's accounts due?
MTH Heating Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is MTH Heating Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is MTH Heating Limited still trading?
MTH Heating Limited 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 MTH Heating Limited do?
MTH Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is MTH Heating Limited?
MTH Heating Limited was incorporated on 26 September 2011, 15 years ago.
What is the penalty if MTH Heating Limited 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 MTH Heating Limited on Companies House for filed documents, officers and the full history.
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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.