- Companies
- Glaziers
- Wolverhampton
- WSL Windows Limited
WSL Windows Limited
- Company number
- 11861825
- Incorporated
- 5 Mar 20197 years trading
- Registered office
- 2 Blackhalve Lane, Wolverhampton, WV11 1BH
- Nature of business
- Glazing
WSL Windows Limited is a 7-year-old private limited company registered in Wolverhampton, company number 11861825, one of 32 glazing companies in Wolverhampton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 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 down £49K (-80.7%) on the year before, to -£110K.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £32K against £122K owed within a year: 0.3 times cover.
- 4 employees on average, up from 3 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£110K | £32K | £122K | 4 | |
| 31 Mar 2024 | -£61K | £38K | £73K | 3 | |
| 31 Mar 2023 | -£39K | £18K | £59K | 3 | |
| 31 Mar 2022 | -£41K | £25K | £96K | 2 | |
| 31 Mar 2021 | -£34K | £6,774 | £57K | 1 | |
| 31 Mar 2020 | £184 | £2,524 | £2,306 | 1 |
Where WSL Windows Limited is registered
The registered office is in Wolverhampton (WV11), in the Wolverhampton local authority area, West Midlands. Show WV11 1BH on a map.
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What happens if WSL Windows 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 11861825
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 March 2019 (7 years ago)
- Registered office
- 2 Blackhalve Lane, Wolverhampton, WV11 1BH
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 22 February 2026
- Previous names
- Willamok Services Limited (until 22 Feb 2021)
Willamok Limited (until 12 Mar 2019)
Williamok Services Limited (until 9 Mar 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 Wolverhampton
Other active glazing companies registered in Wolverhampton.
- A K Windows Limited2009
- Active Glass and Mirrors Ltd2019
- Allbright Windows Limited2003
- Autodoorman Services Limited2024
- BCG28 Ltd2024
- Bright Build and Manage Ltd2026
- Cat Construct Ltd2018
- Codsall Windows and Doors Limited2016
All glazing companies in Wolverhampton · All trades in Wolverhampton · Glaziers across the UK
Frequently asked questions
When are WSL Windows Limited's accounts due?
WSL Windows Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is WSL Windows Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is WSL Windows Limited still trading?
WSL Windows 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 WSL Windows Limited do?
WSL Windows Limited is registered under Glazing (SIC 43342).
How old is WSL Windows Limited?
WSL Windows Limited was incorporated on 5 March 2019, 7 years ago.
What is the penalty if WSL Windows 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 WSL Windows 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.