- Companies
- Electricians
- Glasgow
- Thermavolt Limited
Thermavolt Limited
- Company number
- SC869398
- Incorporated
- 8 Nov 2025
- Registered office
- 120 Woodneuk Road, Glasgow, G53 7QS
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Plastering; Joinery installation
Thermavolt Limited is a newly incorporated private limited company registered in Glasgow, company number SC869398, one of 623 electrical contractors in Glasgow. Its next accounts are due at Companies House on 8 August 2027, and its first CT600 is due at HMRC on 7 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Thermavolt LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Thermavolt Limited is registered
The registered office is in Glasgow (G53), in the Glasgow City local authority area, Scotland. Show G53 7QS on a map.
Other trade companies in G53
- SK1 Electrical LtdElectricians
- Elitewheel Motors LtdMechanics and garages
- Techno Cold LtdPlumbers and heating engineers
- Cab Direct 4U LtdMotor traders
- Scotivo LtdCleaning companies
- International Construction Consultants LtdScaffolders
- MM Aviation Services LtdMachinery repair and installation
- Jordyn Donlin LtdElectricians
What happens if Thermavolt Limited 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 8 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Aug 2027 to 8 Sep 2027 | £150 |
| 1 to 3 months late | 9 Sep 2027 to 8 Nov 2027 | £375 |
| 3 to 6 months late | 9 Nov 2027 to 8 Feb 2028 | £750 |
| More than 6 months late | From 9 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
- SC869398
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 November 2025
- Registered office
- 120 Woodneuk Road, Glasgow, G53 7QS
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Plastering (SIC 43310)
Joinery installation (SIC 43320) - Year end
- 30 November (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 Glasgow
Other active electrical contractors registered in Glasgow.
- Thinkingbricks Limited2004
- Tidal Fulfilment Ltd2022
- TJL Electrical Services Limited2024
- TNC Electrical Services Ltd2017
- Trades 4 Home Improvements Limited2026
- Trefoil Energy Systems Ltd2022
- True-Ohms Electrical Ltd2021
- Trust Electrical Compliance Ltd2021
All electrical contractors in Glasgow · All trades in Glasgow · Electricians across the UK
Frequently asked questions
When are Thermavolt Limited's accounts due?
Thermavolt Limited's next accounts are due at Companies House by 8 August 2027 (in 299 days), covering the period to 30 November 2026.
When is Thermavolt Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 7 November 2026, due by 7 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 Thermavolt Limited still trading?
Thermavolt Limited 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 Thermavolt Limited do?
Thermavolt Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Plastering (SIC 43310); Joinery installation (SIC 43320).
How old is Thermavolt Limited?
Thermavolt Limited was incorporated on 8 November 2025, less than a year ago.
What is the penalty if Thermavolt Limited 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 Thermavolt Limited 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.