- Companies
- Glaziers
- Northampton
- Windsor Commercial Limited
Windsor Commercial Limited
- Company number
- 06638029
- Incorporated
- 4 Jul 200818 years trading
- Registered office
- Unit 3 Monarch Courtyard, Brackmills, Northampton, Northamptonshire, NN4 7BD
- Nature of business
- Glazing
Windsor Commercial Limited is a 18-year-old private limited company registered in Northampton, company number 06638029, one of 27 glazing companies in Northampton. 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 up £4,369 (+1.4%) on the year before, to £308K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £389K against £109K owed within a year: 3.6 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 Mar 2025 | £308K | £62K | £389K | £109K | 5 |
| 31 Mar 2024 | £303K | £70K | £376K | £109K | 4 |
| 31 Mar 2023 | £287K | £108K | £421K | £134K | 5 |
| 31 Mar 2022 | £198K | £122K | £229K | £41K | 4 |
| 31 Mar 2021 | £137K | £13K | £190K | £63K | 4 |
| 31 Mar 2020 | £97K | £138K | £47K | 4 | |
| 31 Mar 2019 | £58K | £109K | £57K | 4 | |
| 31 Mar 2018 | £83K | £0 | £180K | £101K | 3 |
| 31 Mar 2017 | £84K | £17K | £141K | £59K | 4 |
| 31 Mar 2016 | £80K | £4,244 | £147K | £73K |
Where Windsor Commercial Limited is registered
The registered office is in Northampton (NN4), in the West Northamptonshire local authority area, East Midlands. Show NN4 7BD on a map.
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What happens if Windsor Commercial 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
- 06638029
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 July 2008 (18 years ago)
- Registered office
- Unit 3 Monarch Courtyard, Brackmills, Northampton, Northamptonshire, NN4 7BD
- 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
- 4 July 2026
- Charges (mortgages)
- 1 outstanding of 1 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 Northampton
Other active glazing companies registered in Northampton.
- Zain Windows Ltd2026
- Ace Windows Ltd2011
- Artcladd Ltd2023
- Aspect Glazing Ltd2012
- Clayson Windows Ltd2019
- Clickers Resources Ltd2024
- D & L Windows & Doors Ltd2019
- Deaker Ltd2019
All glazing companies in Northampton · All trades in Northampton · Glaziers across the UK
Frequently asked questions
When are Windsor Commercial Limited's accounts due?
Windsor Commercial 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 Windsor Commercial 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 Windsor Commercial Limited still trading?
Windsor Commercial 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 Windsor Commercial Limited do?
Windsor Commercial Limited is registered under Glazing (SIC 43342).
How old is Windsor Commercial Limited?
Windsor Commercial Limited was incorporated on 4 July 2008, 18 years ago.
What is the penalty if Windsor Commercial 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 Windsor Commercial 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.