Window Medic Limited
- Company number
- 04140156
- Incorporated
- 12 Jan 200125 years trading
- Registered office
- Riverbank Cottage, Bawburgh Road, Marlingford, Norfolk, NR9 5AG
- Nature of business
- Glazing
Window Medic Limited is a 25-year-old private limited company registered in Marlingford, company number 04140156, one of the UK's glazing companies. 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 down £74 (-1.3%) on the year before, to £5,720.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £21K against £19K owed within a year: 1.1 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | £5,720 | £21K | £19K | 2 | |
| 31 Jan 2024 | £5,794 | £21K | £17K | 2 | |
| 31 Jan 2023 | £304 | £22K | £18K | 2 | |
| 31 Jan 2022 | -£2,175 | £22K | £19K | 2 | |
| 31 Jan 2021 | -£7,567 | £11K | £12K | 1 | |
| 31 Jan 2020 | -£15K | £3,018 | £21K | 1 | |
| 31 Jan 2019 | -£11K | £6,205 | £18K | ||
| 31 Jan 2018 | -£3,225 | £11K | £17K | ||
| 31 Jan 2017 | -£11K | £3,692 | £17K | ||
| 31 Jan 2016 | -£9,892 | £801 | £6,169 | £20K |
Where Window Medic Limited is registered
The registered office is in Marlingford (NR9), in the South Norfolk local authority area, East of England. Show NR9 5AG on a map.
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What happens if Window Medic 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
- 04140156
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 2001 (25 years ago)
- Registered office
- Riverbank Cottage, Bawburgh Road, Marlingford, Norfolk, NR9 5AG
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 12 January 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
Other active glazing companies.
Frequently asked questions
When are Window Medic Limited's accounts due?
Window Medic Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Window Medic 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 Window Medic Limited still trading?
Window Medic 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 Window Medic Limited do?
Window Medic Limited is registered under Glazing (SIC 43342).
How old is Window Medic Limited?
Window Medic Limited was incorporated on 12 January 2001, 25 years ago.
What is the penalty if Window Medic 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 Window Medic 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.