- Company number
- 02267123
- Incorporated
- 13 Jun 198838 years trading
- Registered office
- 110 Chandos Avenue, London, N20 9DZ
- Nature of business
- Glazing
Biggerstaff Windows Limited is a 38-year-old private limited company registered in London, company number 02267123, one of 307 glazing companies in London. 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 down £32K (-12.7%) on the year before, to £219K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £128K against £267K owed within a year: 0.5 times cover.
- 10 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £219K | £16K | £128K | £267K | 10 |
| 31 Aug 2024 | £251K | £43K | £104K | £217K | 10 |
| 31 Aug 2023 | £218K | £95K | £186K | £320K | 10 |
| 31 Aug 2022 | £188K | £110K | £209K | £327K | 10 |
| 31 Aug 2021 | £171K | £131K | £191K | £278K | 9 |
| 31 Aug 2020 | £152K | £75K | £147K | £220K | 9 |
| 31 Aug 2019 | £192K | £9,620 | £145K | £272K | 11 |
| 31 Aug 2018 | £169K | £29K | £177K | £322K | 14 |
| 31 Aug 2017 | £180K | £13K | £124K | £255K | 14 |
| 31 Aug 2016 | £259K | £76K | £166K | £209K |
Where Biggerstaff Windows Limited is registered
The registered office is in London (N20), in the Barnet local authority area, London. Show N20 9DZ on a map.
Other trade companies in N20
- Ebi London Renovations LtdBuilders
- Spartan Builders LtdProperty developers
- PT Exterior Cleaning LtdCleaning companies
- Building Version Service LimitedBuilders
- Everon Services LimitedInstallers
- Lumix Safe Electrical LtdMachinery repair and installation
- Apexion Design & Build LtdBuilders
- Orchid Education and Art LtdFinishing trades
Also registered at this address
3 other companies use the same registered office as Biggerstaff Windows Limited.
- Jack in the Box Homes LimitedProperty developers
- Malatesta Decorators LimitedPainters and decorators
- Warm Dynamo LimitedPlumbers and heating engineers
What happens if Biggerstaff 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 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
- 02267123
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 June 1988 (38 years ago)
- Registered office
- 110 Chandos Avenue, London, N20 9DZ
- 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
- 12 December 2025
- Charges (mortgages)
- 2 outstanding of 3 registered
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.
- Bismark Limited2004
- Blue Bird Glazing Ltd2026
- Bpoint Ltd2026
- Brit Trade Windows Ltd2026
- BSH Glazing Services Limited2015
- C.Clear Glazing Ltd2022
- Campbellconstruct Ltd2026
- Cannock Composite Doors Ltd2026
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are Biggerstaff Windows Limited's accounts due?
Biggerstaff Windows Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Biggerstaff Windows Limited'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 Biggerstaff Windows Limited still trading?
Biggerstaff 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 Biggerstaff Windows Limited do?
Biggerstaff Windows Limited is registered under Glazing (SIC 43342).
How old is Biggerstaff Windows Limited?
Biggerstaff Windows Limited was incorporated on 13 June 1988, 38 years ago.
What is the penalty if Biggerstaff 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 Biggerstaff 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.