- Company number
- 11520811
- Incorporated
- 16 Aug 20188 years trading
- Registered office
- 60 Shadwell Drive, Northolt, UB5 6DE
- Nature of business
- Glazing
The Windows Group Ltd is a 8-year-old private limited company registered in Northolt, company number 11520811, one of the UK's glazing companies. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £8,078 (+10.2%) on the year before, to £87K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £86K against £43K owed within a year: 2.0 times cover.
- 3 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 Aug 2025 | £87K | £74K | £86K | £43K | 3 |
| 31 Aug 2024 | £79K | £67K | £76K | £41K | 3 |
| 31 Aug 2023 | £81K | £60K | £80K | £42K | 2 |
| 31 Aug 2022 | £58K | £29K | £47K | £28K | 2 |
| 31 Aug 2021 | £47K | £37K | £43K | £5,869 | 1 |
Where The Windows Group Ltd is registered
The registered office is in Northolt (UB5), in the Ealing local authority area, London. Show UB5 6DE on a map.
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What happens if The Windows Group 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 11520811
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 August 2018 (8 years ago)
- Registered office
- 60 Shadwell Drive, Northolt, UB5 6DE
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 31 May 2026
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 Northolt
Other active glazing companies registered in Northolt.
All glazing companies in Northolt · All trades in Northolt · Glaziers across the UK
Frequently asked questions
When are The Windows Group Ltd's accounts due?
The Windows Group Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is The Windows Group Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is The Windows Group Ltd still trading?
The Windows Group 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 The Windows Group Ltd do?
The Windows Group Ltd is registered under Glazing (SIC 43342).
How old is The Windows Group Ltd?
The Windows Group Ltd was incorporated on 16 August 2018, 8 years ago.
What is the penalty if The Windows Group 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 The Windows Group 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.