- Companies
- Joiners and carpenters
- Northampton
- MG Window Systems Ltd
MG Window Systems Ltd
- Company number
- 04494650
- Incorporated
- 25 Jul 200224 years trading
- Registered office
- 3 Letts Road, Rothersthorpe Avenue Ind Estate, Northampton, NN4 8HQ
- Nature of business
- Joinery installation
MG Window Systems Ltd is a 24-year-old private limited company registered in Northampton, company number 04494650, one of 50 joinery companies in Northampton. 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 £41 (+5.5%) on the year before, to £793.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £276K against £288K owed within a year: 1.0 times cover.
- 6 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £793 | £95K | £276K | £288K | 6 |
| 31 Jan 2025 | £752 | £61K | £170K | £182K | 6 |
| 31 Jan 2024 | £28K | £18K | £307K | £294K | 6 |
| 31 Jan 2023 | £32K | £157K | £186K | £162K | 7 |
| 31 Jul 2022 | £169K | £174K | £293K | £144K | 7 |
| 31 Jul 2021 | £86K | £162K | £248K | £167K | 7 |
| 31 Jul 2020 | £103K | £163K | £248K | £155K | 7 |
| 31 Jul 2019 | £122K | £183K | £258K | £148K | 8 |
| 31 Jul 2018 | £84K | £93K | £279K | £210K | 9 |
| 31 Jul 2017 | £68K | £85K | £227K | £174K | 11 |
Where MG Window Systems Ltd is registered
The registered office is in Northampton (NN4), in the West Northamptonshire local authority area, East Midlands. Show NN4 8HQ on a map.
Other trade companies in NN4
- Marks Performance LtdMotor traders
- Midlands Lifting Services LtdSpecialist contractors
- Collingtree Group LtdBuilders
- Lab Electrical Solutions LtdElectricians
- BM Automotive Group LtdMechanics and garages
- Keenan Rentals LtdProperty developers
- Collingtree Cool LtdPlumbers and heating engineers
- Je Brickwork LtdBuilders
What happens if MG Window Systems 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 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
- 04494650
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 July 2002 (24 years ago)
- Registered office
- 3 Letts Road, Rothersthorpe Avenue Ind Estate, Northampton, NN4 8HQ
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 30 September 2025
- Previous names
- RFC Services Ltd. (until 25 Mar 2021)
D & M Carpentry Services Limited (until 25 Nov 2008)
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Northampton
Other active joinery companies registered in Northampton.
- MGH Kitchen&Home Improvements Ltd2026
- MH Official Ltd2020
- Moore Carpentry Ltd2026
- Mukia Construction Ltd2023
- Mycart Limited2017
- Nightingale Joinery & Maintenance Ltd2020
- Nova Home Solutions Ltd2026
- Ol Instalations Ltd2014
All joinery companies in Northampton · All trades in Northampton · Joiners and carpenters across the UK
Frequently asked questions
When are MG Window Systems Ltd's accounts due?
MG Window Systems Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is MG Window Systems Ltd'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 MG Window Systems Ltd still trading?
MG Window Systems 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 MG Window Systems Ltd do?
MG Window Systems Ltd is registered under Joinery installation (SIC 43320).
How old is MG Window Systems Ltd?
MG Window Systems Ltd was incorporated on 25 July 2002, 24 years ago.
What is the penalty if MG Window Systems 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 MG Window Systems 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.