- Companies
- Plumbers and heating engineers
- Warlingham
- Thermofix Heating Limited
Thermofix Heating Limited
- Company number
- 06370182
- Incorporated
- 13 Sep 200719 years trading
- Registered office
- 7 Boxwood Way, Warlingham, Surrey, CR6 9SB
- Nature of business
- Plumbing, heat and air-conditioning installation
Thermofix Heating Limited is a 19-year-old private limited company registered in Warlingham, company number 06370182, one of 16 plumbing and heating companies in Warlingham. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £877 (+2%) on the year before, to £46K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £22K against £9,291 owed within a year: 2.4 times cover.
- 1 employee 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 Sep 2025 | £46K | £21K | £22K | £9,291 | 1 |
| 30 Sep 2024 | £45K | £10K | £19K | £15K | 1 |
| 30 Sep 2023 | £43K | £3,286 | £5,700 | £12K | 1 |
| 30 Sep 2022 | £28K | £18K | £26K | £15K | 1 |
| 30 Sep 2021 | £15K | £25K | £34K | £37K | 1 |
| 30 Sep 2020 | £6,398 | £23K | £30K | £40K | 1 |
| 30 Sep 2019 | £5,185 | £20K | £26K | £38K | 1 |
| 30 Sep 2018 | £6,550 | £33K | £42K | £36K | |
| 30 Sep 2017 | £5,889 | £29K | £49K | £43K | |
| 30 Sep 2016 | £3,299 | £22K | £40K | £37K |
Where Thermofix Heating Limited is registered
The registered office is in Warlingham (CR6), in the Tandridge local authority area, South East. Show CR6 9SB on a map.
Other trade companies in CR6
- Boothpropertysouloutions LtdBuilders
- Bellmore Bathrooms LtdPlumbers and heating engineers
- San Groundworks LimitedLandscapers and gardeners
- Parkside Automotive LtdMotor traders
- JMJ Plumbing LtdPlumbers and heating engineers
- Novtone LimitedInstallers
- Tanby Wellness LimitedSpecialist contractors
- Kagan Industries LtdMachinery repair and installation
What happens if Thermofix Heating 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 06370182
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 September 2007 (19 years ago)
- Registered office
- 7 Boxwood Way, Warlingham, Surrey, CR6 9SB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 13 September 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Warlingham
Other active plumbing and heating companies registered in Warlingham.
- Ultra Gas Heating Ltd2018
- B Krelle Ltd2020
- Bellmore Bathrooms Ltd2026
- Innovate Plumbing and Heating Ltd2019
- JMJ Plumbing Ltd2026
- K&K Smart Tech Ltd2014
- Kings of Kent Ltd2025
- LLC Plumbing & Building Services Limited2022
All plumbing and heating companies in Warlingham · All trades in Warlingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thermofix Heating Limited's accounts due?
Thermofix Heating Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Thermofix Heating Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Thermofix Heating Limited still trading?
Thermofix Heating 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 Thermofix Heating Limited do?
Thermofix Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thermofix Heating Limited?
Thermofix Heating Limited was incorporated on 13 September 2007, 19 years ago.
What is the penalty if Thermofix Heating 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 Thermofix Heating 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.