- Companies
- Machinery repair and installation
- St Asaph
- Thermal-Systems.Co.UK Limited
Thermal-Systems.Co.UK Limited
- Company number
- 06949890
- Incorporated
- 1 Jul 200917 years trading
- Registered office
- Unit 32, ST. Asaph Business Park, St Asaph, LL17 0JA
- Nature of business
- Installation of industrial machinery and equipment
Thermal-Systems.Co.UK Limited is a 17-year-old private limited company registered in St Asaph, company number 06949890, one of 8 machinery repair and installation companies in St Asaph. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 down £16K (-97.3%) on the year before, to £440.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £35K against £48K owed within a year: 0.7 times cover.
- 4 employees on average, up from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Jul 2025 | £440 | £35K | £48K | 4 | |
| 31 Jul 2024 | £16K | £60K | £58K | 2 | |
| 31 Jul 2023 | £15K | £50K | £52K | 4 | |
| 31 Jul 2022 | £20K | £69K | £68K | 5 | |
| 31 Jul 2021 | £22K | £47K | £47K | 5 | |
| 31 Jul 2020 | £22K | £27K | £19K | 4 | |
| 31 Jul 2019 | £19K | £39K | £29K | ||
| 31 Jul 2018 | £21K | £48K | £41K | ||
| 31 Jul 2017 | £155 | £44K | £59K | ||
| 31 Jul 2016 | £210 | £38K | £56K |
Where Thermal-Systems.Co.UK Limited is registered
The registered office is in St Asaph (LL17), in the Denbighshire local authority area, Wales. Show LL17 0JA on a map.
Other trade companies in LL17
- Neil's Wheels Tyre Services LtdMechanics and garages
- Baxter H&S LtdCivil engineering
- Corefortress Data Ltd.Civil engineering
- SSX Construction LtdBuilders
- Rotorix LtdCleaning companies
- Gwyn Evans CVR LimitedMechanics and garages
- Spencer Civils LimitedCivil engineering
- Optimal Home Clean LtdCleaning companies
Shared registered office
76 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 Thermal-Systems.Co.UK 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 06949890
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 July 2009 (17 years ago)
- Registered office
- Unit 32, ST. Asaph Business Park, St Asaph, LL17 0JA
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 14 July 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 St Asaph
Other active machinery repair and installation companies registered in St Asaph.
- Ardent Aviation Limited2023
- Dbi Control Limited2011
- Equiti Engineering Limited2026
- GT Gas Heating Services Ltd2010
- Hans Vetsch Ltd2024
- Orhan Electrical Limited2007
- Steer Alignments Wales Limited2013
All machinery repair and installation companies in St Asaph · All trades in St Asaph · Machinery repair and installation across the UK
Frequently asked questions
When are Thermal-Systems.Co.UK Limited's accounts due?
Thermal-Systems.Co.UK Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Thermal-Systems.Co.UK Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Thermal-Systems.Co.UK Limited still trading?
Thermal-Systems.Co.UK 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 Thermal-Systems.Co.UK Limited do?
Thermal-Systems.Co.UK Limited is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is Thermal-Systems.Co.UK Limited?
Thermal-Systems.Co.UK Limited was incorporated on 1 July 2009, 17 years ago.
What is the penalty if Thermal-Systems.Co.UK 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 Thermal-Systems.Co.UK 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.