- Company number
- 09887472
- Incorporated
- 25 Nov 201510 years trading
- Registered office
- 7 Milton Grove, London, N11 1AX
- Nature of business
- Glazing
Aluniskou Double Glazing Ltd is a 10-year-old private limited company registered in London, company number 09887472, one of 307 glazing companies in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £18K (+126.7%) on the year before, to £32K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £9,260 against £23K owed within a year: 0.4 times cover.
- 2 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £32K | £9,260 | £23K | 2 | |
| 30 Nov 2024 | £14K | £11K | £2,524 | 2 | |
| 30 Nov 2023 | £230 | £24K | £24K | 2 | |
| 30 Nov 2022 | -£7,693 | £14K | £22K | 2 | |
| 30 Nov 2021 | £1,675 | £25K | £25K | 2 | |
| 30 Nov 2020 | £18K | £66K | £49K | 2 | |
| 30 Nov 2019 | £16K | £13K | £364 | 1 | |
| 30 Nov 2018 | £16K | £20K | £7,364 | 1 | |
| 30 Nov 2017 | £3,254 | £9,612 | £10K | ||
| 30 Nov 2016 | £185 | £3,307 |
Where Aluniskou Double Glazing Ltd is registered
The registered office is in London (N11), in the Enfield local authority area, London. Show N11 1AX on a map.
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What happens if Aluniskou Double Glazing 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 09887472
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 November 2015 (10 years ago)
- Registered office
- 7 Milton Grove, London, N11 1AX
- Nature of business
- Glazing (SIC 43342)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 24 November 2025
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.
- Amazing Glass Glazing Limited2025
- Amg London Ltd2012
- Anslow Glazing Limited2023
- Any Windows Ltd2025
- Art Glass and Wood Ltd2026
- Artsteel London Ltd2018
- Ashburn Glass & Glazing Limited1993
- Ask Windows Limited1999
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are Aluniskou Double Glazing Ltd's accounts due?
Aluniskou Double Glazing Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Aluniskou Double Glazing Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Aluniskou Double Glazing Ltd still trading?
Aluniskou Double Glazing 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 Aluniskou Double Glazing Ltd do?
Aluniskou Double Glazing Ltd is registered under Glazing (SIC 43342).
How old is Aluniskou Double Glazing Ltd?
Aluniskou Double Glazing Ltd was incorporated on 25 November 2015, 10 years ago.
What is the penalty if Aluniskou Double Glazing 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 Aluniskou Double Glazing 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.