- Companies
- Plumbers and heating engineers
- Weston Super Mare
- Thermal Tech Ltd
Thermal Tech Ltd
- Company number
- 16215302
- Incorporated
- 29 Jan 20251 year trading
- Registered office
- 20 Stuart Road, Weston Super Mare, BS23 3XN
- Nature of business
- Plumbing, heat and air-conditioning installation
Thermal Tech Ltd is a 1-year-old private limited company registered in Weston Super Mare, company number 16215302, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 29 October 2026, and its first CT600 is due at HMRC on 28 January 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.
Is this your company?
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Where Thermal Tech Ltd is registered
The registered office is in Weston Super Mare (BS23), in the North Somerset local authority area, South West. Show BS23 3XN on a map.
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Also registered at this address
1 other company uses the same registered office as Thermal Tech Ltd.
- Thermal Care LtdPlumbers and heating engineers
What happens if Thermal Tech 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 29 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Oct 2026 to 29 Nov 2026 | £150 |
| 1 to 3 months late | 30 Nov 2026 to 29 Jan 2027 | £375 |
| 3 to 6 months late | 30 Jan 2027 to 29 Apr 2027 | £750 |
| More than 6 months late | From 30 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16215302
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 January 2025 (1 year ago)
- Registered office
- 20 Stuart Road, Weston Super Mare, BS23 3XN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 January 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 Weston Super Mare
Other active plumbing and heating companies registered in Weston Super Mare.
All plumbing and heating companies in Weston Super Mare · All trades in Weston Super Mare · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thermal Tech Ltd's accounts due?
Thermal Tech Ltd's next accounts are due at Companies House by 29 October 2026 (in 17 days), covering the period to 31 January 2026.
When is Thermal Tech 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 28 January 2026, due by 28 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thermal Tech Ltd still trading?
Thermal Tech 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 Thermal Tech Ltd do?
Thermal Tech Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thermal Tech Ltd?
Thermal Tech Ltd was incorporated on 29 January 2025, 1 year ago.
What is the penalty if Thermal Tech 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 Thermal Tech 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.