- Companies
- Finishing trades
- Basildon
- Thermagenix Insulation Limited
Thermagenix Insulation Limited
- Company number
- 14604434
- Incorporated
- 19 Jan 20233 years trading
- Registered office
- 4 Capricorn, Cranes Farm Road, Basildon, Essex, SS14 3JJ
- Nature of business
- Other building completion and finishing
Thermagenix Insulation Limited is a 3-year-old private limited company registered in Basildon, company number 14604434, one of 215 building finishing companies in Basildon. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £31K on the year before, to £31K.
- Current assets of £52K against £21K owed within a year: 2.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £31K | £3,486 | £52K | £21K | 0 |
| 31 Mar 2025 | £657 | £119 | £3,406 | £2,749 | 0 |
| 31 Mar 2024 | £115 | £472 | £3,596 | £3,481 | 0 |
Where Thermagenix Insulation Limited is registered
The registered office is in Basildon (SS14), in the Basildon local authority area, East of England. Show SS14 3JJ on a map.
Other trade companies in SS14
- Texaco Essex LtdCleaning companies
- Premier Build Services LimitedFinishing trades
- Justrepairs & Paint LtdMechanics and garages
- Edyghost. LtdBuilders
- MSB Colchester Electrical LimitedElectricians
- Climate One LtdPlumbers and heating engineers
- Elsm LtdElectricians
- Redmarsh Property Maintenance LimitedCleaning companies
What happens if Thermagenix Insulation 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 14604434
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2023 (3 years ago)
- Registered office
- 4 Capricorn, Cranes Farm Road, Basildon, Essex, SS14 3JJ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 18 January 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Basildon
Other active building finishing companies registered in Basildon.
- Timmins Property Services Limited2011
- Tony Turner Decs Limited2016
- Touche Flooring Ltd2018
- Trades UK 247 Group Ltd2024
- Treadcore Ltd2025
- Twelve Jewels Limited2023
- Ty G Interiors Limited2019
- Tymm's Tiling Limited2023
All building finishing companies in Basildon · All trades in Basildon · Finishing trades across the UK
Frequently asked questions
When are Thermagenix Insulation Limited's accounts due?
Thermagenix Insulation Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Thermagenix Insulation Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Thermagenix Insulation Limited still trading?
Thermagenix Insulation 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 Thermagenix Insulation Limited do?
Thermagenix Insulation Limited is registered under Other building completion and finishing (SIC 43390).
How old is Thermagenix Insulation Limited?
Thermagenix Insulation Limited was incorporated on 19 January 2023, 3 years ago.
What is the penalty if Thermagenix Insulation 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 Thermagenix Insulation 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.