- Companies
- Plumbers and heating engineers
- Watford
- Thermo Heating & Cooling Ltd
Thermo Heating & Cooling Ltd
- Company number
- 16873734
- Incorporated
- 25 Nov 2025
- Registered office
- 136 ST. Albans Road, Watford, WD24 4FT
- Nature of business
- Plumbing, heat and air-conditioning installation
Thermo Heating & Cooling Ltd is a newly incorporated private limited company registered in Watford, company number 16873734, one of 124 plumbing and heating companies in Watford. Its next accounts are due at Companies House on 25 August 2027, and its first CT600 is due at HMRC on 24 November 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Thermo Heating & Cooling Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** H*** | Director | Nov 2025 |
Person with significant control
Where Thermo Heating & Cooling Ltd is registered
The registered office is in Watford (WD24), in the Watford local authority area, East of England. Show WD24 4FT on a map.
Other trade companies in WD24
- VK28 Services LtdFinishing trades
- DRR Builders LtdBuilders
- Redmarsh Trade LimitedMotor traders
- Herts Trading LtdMotor traders
- Coversure Roofing & Building LtdRoofers
- LLS Building LimitedBuilders
- Snagsense LtdSpecialist contractors
- D&X Cleaning Solutions LtdCleaning companies
Shared registered office
29 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 Heating & Cooling 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 25 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Aug 2027 to 25 Sep 2027 | £150 |
| 1 to 3 months late | 26 Sep 2027 to 25 Nov 2027 | £375 |
| 3 to 6 months late | 26 Nov 2027 to 25 Feb 2028 | £750 |
| More than 6 months late | From 26 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16873734
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 November 2025
- Registered office
- 136 ST. Albans Road, Watford, WD24 4FT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
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 Watford
Other active plumbing and heating companies registered in Watford.
- Todosi Plumbing Limited2016
- Tower Gas Ltd2016
- TSQ Building Service Ltd2024
- Ujetrans Ltd2025
- Urantub Ltd2026
- V Plumb Ltd2024
- V&M Property Maintenance Ltd2023
- Velocity Mechanical Ltd2026
All plumbing and heating companies in Watford · All trades in Watford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thermo Heating & Cooling Ltd's accounts due?
Thermo Heating & Cooling Ltd's next accounts are due at Companies House by 25 August 2027 (in 316 days), covering the period to 30 November 2026.
When is Thermo Heating & Cooling Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 24 November 2026, due by 24 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thermo Heating & Cooling Ltd still trading?
Thermo Heating & Cooling 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 Heating & Cooling Ltd do?
Thermo Heating & Cooling Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thermo Heating & Cooling Ltd?
Thermo Heating & Cooling Ltd was incorporated on 25 November 2025, less than a year ago.
Who runs Thermo Heating & Cooling Ltd?
Thermo Heating & Cooling Ltd has 1 active director, the longest-serving appointed in Nov 2025. Their names and service addresses are on the Companies House register.
Who owns Thermo Heating & Cooling Ltd?
One person or company has significant control of Thermo Heating & Cooling Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Thermo Heating & Cooling 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 Heating & Cooling 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.