- Company number
- 13862537
- Incorporated
- 20 Jan 20224 years trading
- Registered office
- GND FLR, 45B Buckland Road, London, E10 6QS
- Nature of business
- Glazing
JL Windows Ltd is a 4-year-old private limited company registered in London, company number 13862537, one of 307 glazing companies in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £14K (-177.5%) on the year before, to -£6,240.
- Current assets of £22K against £41K owed within a year: 0.5 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£6,240 | £22K | £41K | 3 | |
| 31 Jan 2024 | £8,047 | £45K | £37K | 2 | |
| 31 Jan 2023 | £5,283 | £38K | £33K | 2 |
Where JL Windows Ltd is registered
The registered office is in London (E10), in the Waltham Forest local authority area, London. Show E10 6QS on a map.
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What happens if JL 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13862537
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 January 2022 (4 years ago)
- Registered office
- GND FLR, 45B Buckland Road, London, E10 6QS
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 19 April 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 London
Other active glazing companies registered in London.
- JM Glazing Ltd2011
- John Mahoney Stained Glass Ltd2013
- Kay Windows Ltd2003
- Ke-Glaze Ltd2023
- KJ Glazing Services Limited2001
- KK Windows Limited2001
- Koka Windows Ltd2024
- Kozarev Windows Ltd2020
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are JL Windows Ltd's accounts due?
JL Windows Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is JL Windows Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is JL Windows Ltd still trading?
JL 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 JL Windows Ltd do?
JL Windows Ltd is registered under Glazing (SIC 43342).
How old is JL Windows Ltd?
JL Windows Ltd was incorporated on 20 January 2022, 4 years ago.
What is the penalty if JL 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 JL 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.