- Companies
- Electricians
- Preston
- Thermexa Ltd
Thermexa Ltd
- Company number
- 17152045
- Incorporated
- 11 Apr 2026
- Registered office
- 47 Dallas Street, Preston, PR1 7UY
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Other construction installation; Other engineering activities
Thermexa Ltd is a newly incorporated private limited company registered in Preston, company number 17152045, one of 213 electrical contractors in Preston. Its next accounts are due at Companies House on 11 January 2028, and its first CT600 is due at HMRC on 10 April 2028.
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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Where Thermexa Ltd is registered
The registered office is in Preston (PR1), in the Preston local authority area, North West. Show PR1 7UY on a map.
Other trade companies in PR1
- SRM Drainage LimitedCivil engineering
- Armani LtdPlasterers
- Apex Surfacing Solutions LtdCivil engineering
- Pear Tree Motor Company LtdMotor traders
- North Point Automotive LimitedMechanics and garages
- JLJ Autos LtdMotor traders
- Master Pest Tech LtdCleaning companies
- Craciun Construct LtdBuilders
What happens if Thermexa 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 11 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Jan 2028 to 11 Feb 2028 | £150 |
| 1 to 3 months late | 12 Feb 2028 to 11 Apr 2028 | £375 |
| 3 to 6 months late | 12 Apr 2028 to 11 Jul 2028 | £750 |
| More than 6 months late | From 12 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17152045
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 2026
- Registered office
- 47 Dallas Street, Preston, PR1 7UY
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Other engineering activities (SIC 71129) - Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Preston
Other active electrical contractors registered in Preston.
- Thorne Electrical Ltd2025
- Thornfield-Pro Ltd2025
- TL Electrical Solutions Ltd2022
- TLR Jointing Limited2022
- Total Protection Electrical Fire & Security Limited2008
- Up North Electrical Ltd2017
- Vertex Controls Limited2025
- Vue Fire and Security Supplies Ltd2017
All electrical contractors in Preston · All trades in Preston · Electricians across the UK
Frequently asked questions
When are Thermexa Ltd's accounts due?
Thermexa Ltd's next accounts are due at Companies House by 11 January 2028 (in 456 days), covering the period to 30 April 2027.
When is Thermexa 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 10 April 2027, due by 10 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thermexa Ltd still trading?
Thermexa 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 Thermexa Ltd do?
Thermexa Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Other engineering activities (SIC 71129).
How old is Thermexa Ltd?
Thermexa Ltd was incorporated on 11 April 2026, less than a year ago.
What is the penalty if Thermexa 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 Thermexa 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.