- Companies
- Plumbers and heating engineers
- Birmingham
- Thermo-Heat Ltd
Thermo-Heat Ltd
- Company number
- 04563188
- Incorporated
- 15 Oct 200223 years trading
- Registered office
- 19/21 Hatchett Street, Birmingham, B19 3NX
- Nature of business
- Plumbing, heat and air-conditioning installation
Thermo-Heat Ltd is a 23-year-old private limited company registered in Birmingham, company number 04563188, one of 475 plumbing and heating companies in Birmingham. 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 £339 (-1.9%) on the year before, to £17K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £17K against £13K owed within a year: 1.3 times cover.
- 1 employee on average, up from 0 the year before.
- 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 | £17K | £17K | £13K | 1 | |
| 31 Mar 2024 | £17K | £11K | £11K | 0 | |
| 31 Mar 2023 | £17K | £8,818 | £12K | 0 | |
| 31 Mar 2022 | £13K | £13K | £24K | 0 | |
| 31 Mar 2021 | £8,888 | £16K | £19K | 0 | |
| 31 Mar 2020 | £11K | £17K | £17K | 0 | |
| 31 Mar 2019 | £8,555 | £12K | £3,208 | ||
| 31 Mar 2018 | £5,602 | £14K | £8,214 | ||
| 31 Mar 2017 | £3,885 | £8,087 | £10K | £9,290 | 1 |
| 31 Mar 2016 | £5,694 | £8,572 | £10K | £12K |
Who runs and owns Thermo-Heat Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| J*** B*** | Director | Oct 2002 |
| K*** B*** | Director | Oct 2002 |
| K*** B*** | Secretary | Oct 2002 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Form 10 Secretaries Fd Ltd | Corporate Nominee Secretary | Oct 2002 | Oct 2002 |
| Form 10 Directors Fd Ltd | Nominee director (company) | Oct 2002 | Oct 2002 |
Person with significant control
Where Thermo-Heat Ltd is registered
The registered office is in Birmingham (B19), in the Birmingham local authority area, West Midlands. Show B19 3NX on a map.
Other trade companies in B19
- Slaters Air Conditioning LimitedPlumbers and heating engineers
- RM Compliance LimitedElectricians
- Rayrai LtdMotor traders
- S&J Homes & Developments LtdBuilders
- BCN Maintenance LtdSpecialist contractors
- Revolution Walls and Floors LimitedJoiners and carpenters
- Zol Group LtdCleaning companies
- Burq Construction LtdProperty developers
Shared registered office
32 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Thermo-Heat 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
- 04563188
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 October 2002 (23 years ago)
- Registered office
- 19/21 Hatchett Street, Birmingham, B19 3NX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 15 October 2025
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 Birmingham
Other active plumbing and heating companies registered in Birmingham.
- Thess Air Ltd2025
- Think Trade Direct Ltd2026
- TM H&P Ltd2021
- Top Cool UK Ltd2021
- Top Line Gas and Electricals Limited2005
- Toptier Heating and Plumbling Ltd2018
- Traceflow Services Ltd2025
- Trade Installations Ltd2018
All plumbing and heating companies in Birmingham · All trades in Birmingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thermo-Heat Ltd's accounts due?
Thermo-Heat 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 Thermo-Heat 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 Thermo-Heat Ltd still trading?
Thermo-Heat 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 Thermo-Heat Ltd do?
Thermo-Heat Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thermo-Heat Ltd?
Thermo-Heat Ltd was incorporated on 15 October 2002, 23 years ago.
Who runs Thermo-Heat Ltd?
Thermo-Heat Ltd has 2 active directors, the longest-serving appointed in Oct 2002. Their names and service addresses are on the Companies House register.
Who owns Thermo-Heat Ltd?
One person or company has significant control of Thermo-Heat Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Thermo-Heat 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 Thermo-Heat 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.