- Company number
- 02900852
- Incorporated
- 22 Feb 199432 years trading
- Registered office
- 1 Merton Park Parade, London, SW19 3NT
- Nature of business
- Glazing
Wimbledon Window Company Limited is a 32-year-old private limited company registered in London, company number 02900852, one of 307 glazing companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 (-643%) on the year before, to -£27K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £328K against £410K owed within a year: 0.8 times cover.
- 11 employees on average, up from 7 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 Mar 2025 | -£27K | £85K | £328K | £410K | 11 |
| 31 Mar 2024 | £4,944 | £77K | £275K | £311K | 7 |
| 31 Mar 2023 | -£72K | £78K | £201K | £312K | 6 |
| 31 Mar 2022 | £11K | £53K | £257K | £266K | 6 |
| 31 Mar 2021 | £12K | £51K | £90K | £87K | 6 |
| 31 Mar 2020 | -£18K | £3,802 | £41K | £96K | 6 |
| 31 Mar 2019 | -£14K | £2,947 | £53K | £108K | 6 |
| 31 Mar 2018 | £24K | £39K | £88K | £101K | |
| 31 Mar 2017 | -£33K | £6,666 | £58K | £95K | |
| 31 Mar 2016 | -£27K | £4,017 | £38K | £70K |
Who runs and owns Wimbledon Window Company Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| D*** S*** | Director | Feb 1994 |
| J*** S*** | Director | Apr 2024 |
| J*** S*** | Secretary | Feb 1994 |
5 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Spencer Company Formations Limited | Corporate Nominee Secretary | Feb 1994 | Feb 1994 |
| P*** H*** | Director | Mar 2024 | Jun 2026 |
| J*** S*** | Director | Sep 2010 | Jun 2012 |
| Spencer Company Formations (Delaware) Inc | Nominee director (company) | Feb 1994 | Feb 1994 |
| Spencer Company Formations Limited | Nominee director (company) | Feb 1994 | Feb 1994 |
Person with significant control
Where Wimbledon Window Company Limited is registered
The registered office is in London (SW19), in the Merton local authority area, London. Show SW19 3NT on a map.
Other trade companies in SW19
- Firstfixlondon Ltd.Builders
- Rainbow One Construction UK LtdSpecialist contractors
- Base Bloc LimitedBuilders
- Concealed Climate LimitedPlumbers and heating engineers
- Morningside LtdProperty developers
- Cupi-Building LtdBuilders
- Crown Infra London LtdBuilders
- Aj & Co One LtdProperty developers
Also registered at this address
2 other companies use the same registered office as Wimbledon Window Company Limited.
- Esl (UK) LimitedMachinery repair and installation
- Terra Fortis LtdSpecialist contractors
What happens if Wimbledon Window Company 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 02900852
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 February 1994 (32 years ago)
- Registered office
- 1 Merton Park Parade, London, SW19 3NT
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 22 February 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.
- Windglass (Epsom) Limited1968
- Windglass Windows Limited1982
- Window World Ltd2023
- Windows 2020 Limited2020
- Wulf Windows Ltd2025
- XP Window Films Ltd2026
- You Choose (the Independent Window Brokers) Limited2002
- Zaar Glazing Limited2025
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are Wimbledon Window Company Limited's accounts due?
Wimbledon Window Company Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Wimbledon Window Company Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Wimbledon Window Company Limited still trading?
Wimbledon Window Company 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 Wimbledon Window Company Limited do?
Wimbledon Window Company Limited is registered under Glazing (SIC 43342).
How old is Wimbledon Window Company Limited?
Wimbledon Window Company Limited was incorporated on 22 February 1994, 32 years ago.
Who runs Wimbledon Window Company Limited?
Wimbledon Window Company Limited has 2 active directors, the longest-serving appointed in Feb 1994. Their names and service addresses are on the Companies House register.
Who owns Wimbledon Window Company Limited?
One person or company has significant control of Wimbledon Window Company Limited: an individual (owns 25% to 50% of the shares).
What is the penalty if Wimbledon Window Company 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 Wimbledon Window Company 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.