- Company number
- 05340457
- Incorporated
- 24 Jan 200521 years trading
- Registered office
- 291 Kingston Road, London, SW20 8LB
- Nature of business
- Glazing
Sterling Windows Limited is a 21-year-old private limited company registered in London, company number 05340457, 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 up £19K (+97.6%) on the year before, to -£467.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £46K against £45K owed within a year: 1.0 times cover.
- 5 employees on average, up from 4 the year before.
- 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 Jan 2025 | -£467 | £124 | £46K | £45K | 5 |
| 31 Jan 2024 | -£20K | £6,790 | £40K | £24K | 4 |
| 31 Jan 2023 | -£15K | £6,760 | £56K | £28K | 4 |
| 31 Jan 2022 | -£24K | £1,200 | £38K | £9,989 | 2 |
| 31 Jan 2021 | -£18K | £94K | £127K | £98K | 3 |
| 31 Jan 2020 | -£55K | £930 | £28K | £88K | 3 |
| 31 Jan 2019 | -£38K | £2,547 | £46K | £90K | 3 |
| 31 Jan 2018 | -£49K | £611 | £50K | £106K | 4 |
| 31 Jan 2017 | -£74K | £461 | £45K | £130K | 4 |
| 31 Jan 2016 | -£69K | £132 | £40K | £112K |
Who runs and owns Sterling Windows Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| B*** J*** | Director | Sep 2020 |
| B*** J*** | Secretary | Feb 2006 |
5 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** R*** | Secretary | Jan 2005 | Feb 2006 |
| Temple Secretaries Limited | Corporate Nominee Secretary | Jan 2005 | Jan 2005 |
| B*** J*** | Director | Jan 2005 | Sep 2020 |
| A*** R*** | Director | Jan 2005 | Feb 2006 |
| Company Directors Limited | Nominee director (company) | Jan 2005 | Jan 2005 |
Person with significant control
Where Sterling Windows Limited is registered
The registered office is in London (SW20), in the Merton local authority area, London. Show SW20 8LB on a map.
Other trade companies in SW20
- Resmor LtdBuilders
- Justify Advisory LimitedCivil engineering
- Busy Bee Homes LtdProperty developers
- Jyoti Enterprises LtdElectricians
- Bilkins Mechanical LimitedPlumbers and heating engineers
- Tremtec Group Services LtdBuilders
- HRS Services LtdCleaning companies
- Double Glazed Windows and Doors LtdGlaziers
What happens if Sterling 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 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
- 05340457
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 January 2005 (21 years ago)
- Registered office
- 291 Kingston Road, London, SW20 8LB
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 14 September 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.
- Suat Joinery Ltd2020
- Sumner McGuinness Mirrors and Glass Limited2026
- Sunrise Double Glazing UK Ltd2025
- Supreme Windows London Limited2019
- SV Glazing UK Limited2015
- Swift Glass Ltd2022
- Thames Frames Ltd2026
- Thames Glass Ltd2015
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are Sterling Windows Limited's accounts due?
Sterling Windows Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Sterling Windows Limited'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 Sterling Windows Limited still trading?
Sterling 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 Sterling Windows Limited do?
Sterling Windows Limited is registered under Glazing (SIC 43342).
How old is Sterling Windows Limited?
Sterling Windows Limited was incorporated on 24 January 2005, 21 years ago.
Who runs Sterling Windows Limited?
Sterling Windows Limited has 1 active director, the longest-serving appointed in Sep 2020. Their names and service addresses are on the Companies House register.
Who owns Sterling Windows Limited?
One person or company has significant control of Sterling Windows Limited: an individual (has significant influence or control).
What is the penalty if Sterling 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 Sterling 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.