- Companies
- Facilities management
- Basingstoke
- Thermozone Limited
Thermozone Limited
- Company number
- 02925520
- Incorporated
- 4 May 199432 years trading
- Registered office
- K, Roentgen Road, Basingstoke, RG24 8NG
- Nature of business
- Combined facilities support activities
Thermozone Limited is a 32-year-old private limited company registered in Basingstoke, company number 02925520, one of 10 facilities management companies in Basingstoke. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £201K (+102%) on the year before, to £398K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £752K against £469K owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Nov 2025 | £398K | £676K | £752K | £469K | 0 |
| 30 Nov 2024 | £197K | £343K | £384K | £850K | 11 |
| 30 Nov 2023 | £152K | £57K | £342K | £968K | 15 |
| 30 Nov 2022 | £14K | £110K | £314K | £271K | 10 |
| 30 Nov 2021 | £180K | -£104K | £205K | £249K | 10 |
| 30 Nov 2020 | £148K | £107K | £236K | £125K | 10 |
| 30 Nov 2019 | £80K | £159K | £488K | £196K | 10 |
| 30 Nov 2018 | £45K | £95K | £181K | £71K | 10 |
| 30 Nov 2017 | £3,620 | £4,844 | £261K | £50K | 10 |
| 30 Nov 2016 | £67K | £9,253 | £222K | £46K |
Where Thermozone Limited is registered
The registered office is in Basingstoke (RG24), in the Basingstoke and Deane local authority area, South East. Show RG24 8NG on a map.
Other trade companies in RG24
- Otelia Contractors LimitedJoiners and carpenters
- Quandos Cleaners LtdCleaning companies
- Cleary Construction LtdSpecialist contractors
- Chamberlain Renovations LimitedProperty developers
- PB Classics LtdMotor traders
- Mobile Vehicle Repairs & Tyre Shop LtdMotor traders
- Norse Process Engineering LtdSpecialist contractors
- Ability Adaptations Group LimitedFinishing trades
What happens if Thermozone 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 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
- 02925520
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 May 1994 (32 years ago)
- Registered office
- K, Roentgen Road, Basingstoke, RG24 8NG
- Nature of business
- Combined facilities support activities (SIC 81100)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 14 August 2026
- Charges (mortgages)
- 2 outstanding of 3 registered
Filing notes for facilities management companies
Facilities management companies usually invoice on contract, so accrued income and deferred income matter at the year end.
Similar companies in Basingstoke
Other active facilities management companies registered in Basingstoke.
- Admr Property Services Ltd2023
- Bellis Property Ltd2023
- Cliddesden Court Estates Limited2011
- Dave Watson Property Services Limited2013
- McFadden Property Maintenance Ltd2015
- MJ Facility Plus Limited2019
- Phoenicks Ltd1984
- Southern Fire & Maintenance Ltd2023
All facilities management companies in Basingstoke · All trades in Basingstoke · Facilities management across the UK
Frequently asked questions
When are Thermozone Limited's accounts due?
Thermozone Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Thermozone Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Thermozone Limited still trading?
Thermozone 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 Thermozone Limited do?
Thermozone Limited is registered under Combined facilities support activities (SIC 81100).
How old is Thermozone Limited?
Thermozone Limited was incorporated on 4 May 1994, 32 years ago.
What is the penalty if Thermozone 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 Thermozone 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.