- Companies
- Machinery repair and installation
- Bicester
- Thermalec Control Systems Limited
Thermalec Control Systems Limited
- Company number
- 03975139
- Incorporated
- 18 Apr 200026 years trading
- Registered office
- 38 Mulberry Drive, Bicester, Oxfordshire, OX26 3FY
- Nature of business
- Repair of other equipment
Thermalec Control Systems Limited is a 26-year-old private limited company registered in Bicester, company number 03975139, one of 23 machinery repair and installation companies in Bicester. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 up £59 (+10.4%) on the year before, to £628.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- 4 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £628 | £86K | 4 | ||
| 30 Apr 2024 | £569 | £59K | 4 | ||
| 30 Apr 2023 | £566 | £57K | 4 | ||
| 30 Apr 2022 | £2,824 | £89K | 4 | ||
| 30 Apr 2021 | £16K | £84K | 5 | ||
| 30 Apr 2020 | £21K | £77K | 5 | ||
| 30 Apr 2019 | £3,658 | £78K | |||
| 30 Apr 2018 | £3,500 | £110K | |||
| 30 Apr 2017 | £3,052 | £103K | |||
| 30 Apr 2016 | £2,817 | £7,799 | £45K | £79K |
Where Thermalec Control Systems Limited is registered
The registered office is in Bicester (OX26), in the Cherwell local authority area, South East. Show OX26 3FY on a map.
Other trade companies in OX26
- SR Agri LtdMachinery repair and installation
- Gal Construct LtdBuilders
- Journey Motorworks LtdMotor traders
- JCD Electrical Solutions LtdElectricians
- Woodlands Farmhouse LtdProperty developers
- Chrisodel Holdings LtdProperty developers
- G Tree Surgery LtdLandscapers and gardeners
- JCC Fire & Security LtdSpecialist contractors
What happens if Thermalec Control Systems 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 03975139
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 April 2000 (26 years ago)
- Registered office
- 38 Mulberry Drive, Bicester, Oxfordshire, OX26 3FY
- Nature of business
- Repair of other equipment (SIC 33190)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 27 January 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Bicester
Other active machinery repair and installation companies registered in Bicester.
- Toby Fowler Limited2014
- White Lift Services Limited2004
- A Buxton Limited2002
- Beaky Plant Limited2024
- Caine Maintenance Services Ltd2022
- GH Auto Electrical Ltd2013
- Henderson Electrical Limited2020
- HK Airtech Solutions Ltd2024
All machinery repair and installation companies in Bicester · All trades in Bicester · Machinery repair and installation across the UK
Frequently asked questions
When are Thermalec Control Systems Limited's accounts due?
Thermalec Control Systems Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Thermalec Control Systems Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Thermalec Control Systems Limited still trading?
Thermalec Control Systems 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 Thermalec Control Systems Limited do?
Thermalec Control Systems Limited is registered under Repair of other equipment (SIC 33190).
How old is Thermalec Control Systems Limited?
Thermalec Control Systems Limited was incorporated on 18 April 2000, 26 years ago.
What is the penalty if Thermalec Control Systems 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 Thermalec Control Systems 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.