- Company number
- 11996819
- Incorporated
- 15 May 20197 years trading
- Registered office
- 7-8 Portmill Lane, Hitchin, Hertfordshire, SG5 1DJ
- Nature of business
- Glazing
LB Window Systems Ltd is a 7-year-old private limited company registered in Hitchin, company number 11996819, one of 7 glazing companies in Hitchin. 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 down £23K (-45.9%) on the year before, to -£75K.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £82K against £196K owed within a year: 0.4 times cover.
- 2 employees on average, down 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 May 2025 | -£75K | £4,431 | £82K | £196K | 2 |
| 31 May 2024 | -£51K | £74 | £100K | £157K | 3 |
| 31 May 2023 | -£10K | £4,117 | £93K | £86K | 3 |
| 31 May 2022 | £27K | £107 | £156K | £93K | 2 |
| 31 May 2021 | £23K | £19K | £100K | £36K | 2 |
| 31 May 2020 | £24K | £13K | £60K | £11K | 2 |
Who runs and owns LB Window Systems Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| G*** B*** | Director | May 2019 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| L*** B*** | Director | May 2019 | Aug 2025 |
People with significant control (2)
Where LB Window Systems Ltd is registered
The registered office is in Hitchin (SG5), in the North Hertfordshire local authority area, East of England. Show SG5 1DJ on a map.
Other trade companies in SG5
- Unlock Your Dreams LtdProperty developers
- The Peugeot and Renault Man LtdMechanics and garages
- Woods Property Solutions LtdBuilders
- PM Contractors LtdBuilders
- S. Harris Builders LimitedFinishing trades
- Stotfold Property Services LtdBuilders
- SGB Modern Access LtdScaffolders
- Top Class Roofing & Renovations LimitedRoofers
Shared registered office
84 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 LB Window Systems 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 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
- 11996819
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 2019 (7 years ago)
- Registered office
- 7-8 Portmill Lane, Hitchin, Hertfordshire, SG5 1DJ
- 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
- 30 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 Hitchin
Other active glazing companies registered in Hitchin.
- Project FaÇAde Limited2022
- Virtus Aluminium Systems Ltd2026
- Broadview Installations Ltd2026
- Broadview Windows Limited2001
- Full Range Finishing Limited1997
- Heritage Slimline Limited2024
All glazing companies in Hitchin · All trades in Hitchin · Glaziers across the UK
Frequently asked questions
When are LB Window Systems Ltd's accounts due?
LB Window Systems Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is LB Window Systems Ltd'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 LB Window Systems Ltd still trading?
LB Window Systems 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 LB Window Systems Ltd do?
LB Window Systems Ltd is registered under Glazing (SIC 43342).
How old is LB Window Systems Ltd?
LB Window Systems Ltd was incorporated on 15 May 2019, 7 years ago.
Who runs LB Window Systems Ltd?
LB Window Systems Ltd has 1 active director, the longest-serving appointed in May 2019. Their names and service addresses are on the Companies House register.
Who owns LB Window Systems Ltd?
2 people or companies have significant control of LB Window Systems Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if LB Window Systems 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 LB Window Systems 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.