- Companies
- Plumbers and heating engineers
- Leicester
- Thermoworx Renewables Ltd
Thermoworx Renewables Ltd
- Company number
- 15967908
- Incorporated
- 19 Sep 20242 years trading
- Registered office
- 121 Evington Lane, Leicester, LE5 5PS
- Nature of business
- Plumbing, heat and air-conditioning installation
Thermoworx Renewables Ltd is a 2-year-old private limited company registered in Leicester, company number 15967908, one of 282 plumbing and heating companies in Leicester. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 30 September 2025, as filed at Companies House.
Who runs and owns Thermoworx Renewables Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| U*** P*** | Director | Sep 2024 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| H*** S*** | Director | Sep 2024 | May 2026 |
Person with significant control
Where Thermoworx Renewables Ltd is registered
The registered office is in Leicester (LE5), in the Leicester local authority area, East Midlands. Show LE5 5PS on a map.
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What happens if Thermoworx Renewables 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15967908
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 September 2024 (2 years ago)
- Registered office
- 121 Evington Lane, Leicester, LE5 5PS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 18 September 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 Leicester
Other active plumbing and heating companies registered in Leicester.
- Thurnby Gas Services Limited2021
- TJB Heating Services Limited2013
- TLM Services Limited2000
- Tony's Tyre Services Ltd2026
- Tpe Group Ltd2022
- Transcend Plumbing & Heating Contractors Limited2018
- Umera Building Contractor Ltd2025
- Ventilation UK Canopy Ltd2023
All plumbing and heating companies in Leicester · All trades in Leicester · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thermoworx Renewables Ltd's accounts due?
Thermoworx Renewables Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Thermoworx Renewables Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Thermoworx Renewables Ltd still trading?
Thermoworx Renewables Ltd is listed as active on the Companies House register (checked 13 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 Thermoworx Renewables Ltd do?
Thermoworx Renewables Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thermoworx Renewables Ltd?
Thermoworx Renewables Ltd was incorporated on 19 September 2024, 2 years ago.
Who runs Thermoworx Renewables Ltd?
Thermoworx Renewables Ltd has 1 active director, the longest-serving appointed in Sep 2024. Their names and service addresses are on the Companies House register.
Who owns Thermoworx Renewables Ltd?
One person or company has significant control of Thermoworx Renewables Ltd: an individual (owns 25% to 50% of the shares).
What is the penalty if Thermoworx Renewables 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 Thermoworx Renewables Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.