- Company number
- 13089691
- Incorporated
- 18 Dec 20205 years trading
- Registered office
- Unit 1, Arriane Business Centre Blackburn Road, Houghton Regis, Dunstable, LU5 5DZ
- Nature of business
- Glazing
Termopane Windows Ltd is a 5-year-old private limited company registered in Dunstable, company number 13089691, one of 13 glazing companies in Dunstable. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £28K (+145.3%) on the year before, to £47K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £60K against £7,866 owed within a year: 7.6 times cover.
- 6 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £47K | £60K | £7,866 | 6 | |
| 31 Dec 2024 | £19K | £40K | £46K | £27K | 6 |
| 31 Dec 2023 | £8,257 | £22K | £14K | 3 | |
| 31 Dec 2022 | £2,485 | £482 | 0 | ||
| 31 Dec 2021 | £0 | £0 | £0 | 0 |
Where Termopane Windows Ltd is registered
The registered office is in Dunstable (LU5), in the Central Bedfordshire local authority area, East of England. Show LU5 5DZ on a map.
Other trade companies in LU5
- Holz Stehlen Interiors LtdJoiners and carpenters
- Group V Motors LimitedMotor traders
- Marsiv LtdBuilders
- FB Engineering Solutions LtdSpecialist contractors
- Valmir Plastering LtdPlasterers
- Jeeva Engineering LtdCivil engineering
- Shinning Stars Cleaning LtdCleaning companies
- Coc Floring LtdBuilders
What happens if Termopane Windows Ltd 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 13089691
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 December 2020 (5 years ago)
- Registered office
- Unit 1, Arriane Business Centre Blackburn Road, Houghton Regis, Dunstable, LU5 5DZ
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 27 November 2025
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Dunstable
Other active glazing companies registered in Dunstable.
- The Bedfordshire Window Doctor Limited2001
- Total Auto Glazing Services Limited2016
- Unicorn Windows Ltd.1994
- Window Control Installations Limited2015
- Dunstable Glass Company Limited1969
- Ezy Access Windows Ltd2025
- Flitwick Glass Services Limited2013
- Home Glazing Care Ltd2018
All glazing companies in Dunstable · All trades in Dunstable · Glaziers across the UK
Frequently asked questions
When are Termopane Windows Ltd's accounts due?
Termopane Windows Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Termopane Windows Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Termopane Windows Ltd still trading?
Termopane Windows Ltd 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 Termopane Windows Ltd do?
Termopane Windows Ltd is registered under Glazing (SIC 43342).
How old is Termopane Windows Ltd?
Termopane Windows Ltd was incorporated on 18 December 2020, 5 years ago.
What is the penalty if Termopane Windows Ltd 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 Termopane Windows Ltd 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.