- Companies
- Plumbers and heating engineers
- Holmfirth
- Therma Renewables Ltd
Therma Renewables Ltd
- Company number
- 08445861
- Incorporated
- 14 Mar 201313 years trading
- Registered office
- 4 Greenfield Road, Holmfirth, HD9 2JT
- Nature of business
- Plumbing, heat and air-conditioning installation
Therma Renewables Ltd is a 13-year-old private limited company registered in Holmfirth, company number 08445861, one of 27 plumbing and heating companies in Holmfirth. 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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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 £1,296 (-11.5%) on the year before, to £9,955.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £19K against £22K owed within a year: 0.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £9,955 | £12K | £19K | £22K | 2 |
| 31 Mar 2024 | £11K | £23K | £29K | £24K | 2 |
| 31 Mar 2023 | £3,907 | £8,284 | £12K | £14K | 1 |
| 31 Mar 2022 | -£7,688 | £390 | £390 | £14K | 0 |
| 31 Mar 2021 | -£10K | £85 | £1,508 | £24K | 0 |
| 31 Mar 2020 | -£6,922 | £6,922 | 0 | ||
| 31 Mar 2019 | -£6,922 | £6,922 | |||
| 31 Mar 2018 | -£6,772 | £6,802 | |||
| 31 Mar 2017 | -£6,652 | £6,652 | |||
| 31 Mar 2016 | -£6,937 | £6,971 |
Where Therma Renewables Ltd is registered
The registered office is in Holmfirth (HD9), in the Kirklees local authority area, Yorkshire and The Humber. Show HD9 2JT on a map.
Other trade companies in HD9
- TBW Investments LimitedProperty developers
- MK4Spares LtdMotor traders
- McKosi Access LtdSpecialist contractors
- CMR Joinery LimitedJoiners and carpenters
- Apex Integrity Holdings LtdCleaning companies
- Porter Plumbing & Heating LtdPlumbers and heating engineers
- Garland Building Projects LtdFinishing trades
- Image Forecourts LimitedFinishing trades
Also registered at this address
13 other companies use the same registered office as Therma Renewables Ltd.
- Aaa Developments (Wakefield) LtdBuilders
- Aaa Property (Leeds 28) LtdProperty developers
- Aaa Property (Leeds 44) LtdProperty developers
- Aaa Property (Leeds 46) LtdProperty developers
- Adj Contractors LimitedCivil engineering
- Aleysa Solutions LimitedProperty developers
- Ensco 986 LimitedProperty developers
- Ik Sport Classic LtdMechanics and garages
- JWS Mechanical LtdPlumbers and heating engineers
- Lavitta LimitedProperty developers
- R8 Engineering & Surveying LtdSpecialist contractors
- Stopdean LimitedProperty developers
What happens if Therma 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 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
- 08445861
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 March 2013 (13 years ago)
- Registered office
- 4 Greenfield Road, Holmfirth, HD9 2JT
- 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
- 14 March 2026
- Previous names
- Druids Mechanical Ltd (until 22 Oct 2020)
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 Holmfirth
Other active plumbing and heating companies registered in Holmfirth.
- Tri-Heat Energy Ltd2016
- West Plumbing & Heating Ltd2018
- Woodfield Plumbing & Heating Ltd2025
- X-Man Plumbers Limited2007
- Ajb Plumbing and Heating (Yorkshire) Ltd2023
- Aquatec Plumbing & Heating Limited2023
- Armitage Gas Services (Yorkshire) Ltd2024
- Ashley Bespoke Properties Ltd2025
All plumbing and heating companies in Holmfirth · All trades in Holmfirth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Therma Renewables Ltd's accounts due?
Therma Renewables Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Therma Renewables Ltd'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 Therma Renewables Ltd still trading?
Therma Renewables 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 Therma Renewables Ltd do?
Therma Renewables Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Therma Renewables Ltd?
Therma Renewables Ltd was incorporated on 14 March 2013, 13 years ago.
What is the penalty if Therma 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 Therma Renewables 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.