- Companies
- Plumbers and heating engineers
- Carmarthen
- Heatwise Gas and Plumbing Services Limited
Heatwise Gas and Plumbing Services Limited
- Company number
- 13556639
- Incorporated
- 9 Aug 20215 years trading
- Registered office
- 33 Meysydd Y Coleg, Carmarthen, SA31 3GR
- Nature of business
- Plumbing, heat and air-conditioning installation
Heatwise Gas and Plumbing Services Limited is a 5-year-old private limited company registered in Carmarthen, company number 13556639, one of 30 plumbing and heating companies in Carmarthen. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £5,038 (-37.7%) on the year before, to £8,318.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £24K against £20K owed within a year: 1.2 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £8,318 | £19K | £24K | £20K | 2 |
| 31 Aug 2024 | £13K | £25K | £28K | £22K | 1 |
| 31 Aug 2023 | £14K | £25K | £31K | £28K | 1 |
| 31 Aug 2022 | £12K | £17K | £18K | £20K | 1 |
Who runs and owns Heatwise Gas and Plumbing Services Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| V*** B*** | Director | Aug 2021 |
Person with significant control
Where Heatwise Gas and Plumbing Services Limited is registered
The registered office is in Carmarthen (SA31), in the Carmarthenshire local authority area, Wales. Show SA31 3GR on a map.
Other trade companies in SA31
- Revworks Studio LtdMechanics and garages
- Celf Construction LimitedPlasterers
- DCM Plant Hire LimitedSpecialist contractors
- M Owen Construction LtdBuilders
- Tce Construction LtdBuilders
- LW Pro Build LtdBuilders
- PW Solar LtdElectricians
- Mark Williams Carpets LimitedFloor and wall tilers
What happens if Heatwise Gas and Plumbing Services 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 13556639
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 August 2021 (5 years ago)
- Registered office
- 33 Meysydd Y Coleg, Carmarthen, SA31 3GR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 8 August 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 Carmarthen
Other active plumbing and heating companies registered in Carmarthen.
- Hendre Heating Limited2024
- I.J. Morgan Heating & Renewables Ltd2019
- Intragas (Cardiff) Ltd2020
- J M Duxberry Plumbing and Heating Ltd2003
- Jack Parker Plumbing and Heating Ltd2019
- L W Ufh Heating Limited2018
- M Howells Plumbing & Heating Ltd2015
- Maidenhead Air Systems Limited2005
All plumbing and heating companies in Carmarthen · All trades in Carmarthen · Plumbers and heating engineers across the UK
Frequently asked questions
When are Heatwise Gas and Plumbing Services Limited's accounts due?
Heatwise Gas and Plumbing Services Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Heatwise Gas and Plumbing Services Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Heatwise Gas and Plumbing Services Limited still trading?
Heatwise Gas and Plumbing Services 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 Heatwise Gas and Plumbing Services Limited do?
Heatwise Gas and Plumbing Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Heatwise Gas and Plumbing Services Limited?
Heatwise Gas and Plumbing Services Limited was incorporated on 9 August 2021, 5 years ago.
Who runs Heatwise Gas and Plumbing Services Limited?
Heatwise Gas and Plumbing Services Limited has 1 active director, the longest-serving appointed in Aug 2021. Their names and service addresses are on the Companies House register.
Who owns Heatwise Gas and Plumbing Services Limited?
One person or company has significant control of Heatwise Gas and Plumbing Services Limited: an individual (owns 75% or more of the shares).
What is the penalty if Heatwise Gas and Plumbing Services 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 Heatwise Gas and Plumbing Services Limited 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.