- Company number
- 05110747
- Incorporated
- 23 Apr 200422 years trading
- Registered office
- 7A King Street, Frome, Somerset, BA11 1BH
- Nature of business
- Glazing
Thermaglaze Windows & Conservatories Limited is a 22-year-old private limited company registered in Frome, company number 05110747, one of the UK's glazing companies. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £235K (+24.4%) on the year before, to £1.2M.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.5M against £601K owed within a year: 2.5 times cover.
- 27 employees 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 |
|---|---|---|---|---|---|
| 31 May 2025 | £1.2M | £1.1M | £1.5M | £601K | 27 |
| 31 May 2024 | £966K | £971K | £1.4M | £711K | 27 |
| 31 May 2023 | £777K | £709K | £1.4M | £754K | 29 |
| 31 May 2022 | £326K | £490K | £1M | £701K | 28 |
| 31 May 2021 | £86K | £126K | £707K | £516K | 28 |
| 31 May 2020 | £24K | £442K | £835K | £298K | 24 |
| 31 May 2019 | £79K | £173K | £653K | £697K | 26 |
| 31 May 2018 | £191K | £133K | £560K | £568K | 28 |
| 31 May 2017 | £267K | £102K | £572K | £506K | 31 |
| 31 May 2016 | £262K | £187K | £545K | £485K |
Where Thermaglaze Windows & Conservatories Limited is registered
The registered office is in Frome (BA11), in the Somerset local authority area, South West. Show BA11 1BH on a map.
Other trade companies in BA11
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- Greystone Building Projects Company LtdBuilders
- Rich Maggs Roofing LtdRoofers
- Firebox and Flue LtdCleaning companies
- Somerset Renovations LtdBuilders
- GW James Construction LtdBuilders
- Pav Build A Home LimitedBuilders
- Phillips Land Management LtdLandscapers and gardeners
Shared registered office
46 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 Thermaglaze Windows & Conservatories 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 05110747
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2004 (22 years ago)
- Registered office
- 7A King Street, Frome, Somerset, BA11 1BH
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 11 March 2026
- Charges (mortgages)
- 1 outstanding of 1 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 Frome
Other active glazing companies registered in Frome.
- 1ST Folding Sliding Doors Limited2004
- C & G Glazing Limited2004
- Imperial Windows (Bangor) Ltd2004
- Stevens Glass & Glazing Ltd2004
- Stylish Plastics Limited2004
- SG Window Systems Limited2004
- T.L.C. Windows Limited2004
- Paton Glass Limited2004
All glazing companies in Frome · All trades in Frome · Glaziers across the UK
Frequently asked questions
When are Thermaglaze Windows & Conservatories Limited's accounts due?
Thermaglaze Windows & Conservatories Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Thermaglaze Windows & Conservatories Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Thermaglaze Windows & Conservatories Limited still trading?
Thermaglaze Windows & Conservatories 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 Thermaglaze Windows & Conservatories Limited do?
Thermaglaze Windows & Conservatories Limited is registered under Glazing (SIC 43342).
How old is Thermaglaze Windows & Conservatories Limited?
Thermaglaze Windows & Conservatories Limited was incorporated on 23 April 2004, 22 years ago.
What is the penalty if Thermaglaze Windows & Conservatories 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 Thermaglaze Windows & Conservatories 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.