- Company number
- 11856307
- Incorporated
- 4 Mar 20197 years trading
- Registered office
- 2 Elers Road, Hayes, UB3 1NY
- Nature of business
- Glazing
Throne Windows Ltd is a 7-year-old private limited company registered in Hayes, company number 11856307, one of 33 glazing companies in Hayes. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 £393 (+79.4%) on the year before, to £888.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £45K against £52K owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Mar 2025 | £888 | £45K | £52K | 1 | |
| 30 Mar 2024 | £495 | £36K | £40K | 1 | |
| 31 Mar 2023 | £1,013 | £26K | £25K | 1 | |
| 31 Mar 2022 | £101 | £31K | £27K | 1 | |
| 31 Mar 2021 | £283 | £24K | £11K | 0 | |
| 31 Mar 2020 | £218 | £1,666 | £7,226 | 1 |
Where Throne Windows Ltd is registered
The registered office is in Hayes (UB3), in the Hillingdon local authority area, London. Show UB3 1NY on a map.
Other trade companies in UB3
- Rennove LimitedProperty developers
- KSJ Design & Build LtdBuilders
- KCRQ LimitedCleaning companies
- HKR Roofing LtdRoofers
- Syg Development Group LtdProperty developers
- Ironspan Industrial Services LtdMachinery repair and installation
- RK9 LimitedBuilders
- Elite Construction and Roofing LimitedBuilders
Also registered at this address
1 other company uses the same registered office as Throne Windows Ltd.
- Skyblue Construction LimitedProperty developers
What happens if Throne 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 11856307
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 March 2019 (7 years ago)
- Registered office
- 2 Elers Road, Hayes, UB3 1NY
- Nature of business
- Glazing (SIC 43342)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 3 March 2026
- Previous names
- Solid Double Glaze Windows Ltd (until 17 May 2019)
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 Hayes
Other active glazing companies registered in Hayes.
- Uv Construction Limited2012
- VL Facade Ltd2014
- Abs Window & Plastic Limited2020
- Amar Glazing Ltd2016
- Best Price Glazing Limited2009
- Blue Ocean Plastics & Glazing Ltd2012
- City Frames Glazing Ltd2025
- CK Shopfronts and Shutters Ltd2017
All glazing companies in Hayes · All trades in Hayes · Glaziers across the UK
Frequently asked questions
When are Throne Windows Ltd's accounts due?
Throne Windows Ltd's next accounts are due at Companies House by 30 December 2026 (in 79 days), covering the period to 30 March 2026.
When is Throne Windows Ltd's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Throne Windows Ltd still trading?
Throne 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 Throne Windows Ltd do?
Throne Windows Ltd is registered under Glazing (SIC 43342).
How old is Throne Windows Ltd?
Throne Windows Ltd was incorporated on 4 March 2019, 7 years ago.
What is the penalty if Throne 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 Throne 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.