- Company number
- SC147623
- Incorporated
- 22 Nov 199332 years trading
- Registered office
- 38 Borland Road, Bearsden, Glasgow, G61 2ND
- Nature of business
- Glazing
Tradeline Windows and Doors Limited is a 32-year-old private limited company registered in Glasgow, company number SC147623, one of 53 glazing companies in Glasgow. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £4,432 (-15.4%) on the year before, to £24K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £56K against £41K owed within a year: 1.4 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £24K | £56K | £41K | 1 | |
| 30 Nov 2024 | £29K | £53K | £40K | 1 | |
| 30 Nov 2023 | £18K | £28K | £28K | 1 | |
| 30 Nov 2022 | £8,993 | £21K | £16K | 1 | |
| 30 Nov 2021 | £5,081 | £24K | £24K | 1 | |
| 30 Nov 2020 | -£6,563 | £20K | £30K | 1 | |
| 30 Nov 2019 | -£7,655 | £5,463 | £16K | 1 | |
| 30 Nov 2018 | -£12K | £6,405 | £23K | ||
| 30 Nov 2017 | -£5,091 | £6,580 | £14K | £19K | |
| 30 Nov 2016 | -£3,849 | £1,944 | £19K | £25K |
Where Tradeline Windows and Doors Limited is registered
The registered office is in Glasgow (G61), in the East Dunbartonshire local authority area, Scotland. Show G61 2ND on a map.
Other trade companies in G61
- JC Trades & Maintenance LtdFinishing trades
- Arsam Cars LtdMotor traders
- M Caldwell Electrical LtdBuilders
- 113 Development Group LtdFinishing trades
- Ap Joinery & Property Services LtdJoiners and carpenters
- Polar Hire LtdPlumbers and heating engineers
- Antonine Infrastructure LtdCivil engineering
- A3DHS LtdScaffolders
What happens if Tradeline Windows and Doors 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- SC147623
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 1993 (32 years ago)
- Registered office
- 38 Borland Road, Bearsden, Glasgow, G61 2ND
- Nature of business
- Glazing (SIC 43342)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 22 October 2025
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 Glasgow
Other active glazing companies registered in Glasgow.
- Tradeston Glass & Glazing Ltd2025
- True Heritage Windows Ltd2025
- Vision Clear (Glasgow) Ltd2021
- West London Windows Limited2025
- Window World Scotland Limited2025
- Windows Express Scotland Limited2026
- 3R Glass and Glazing Limited2022
- A Carroll Double Glazing Limited2008
All glazing companies in Glasgow · All trades in Glasgow · Glaziers across the UK
Frequently asked questions
When are Tradeline Windows and Doors Limited's accounts due?
Tradeline Windows and Doors Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Tradeline Windows and Doors Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Tradeline Windows and Doors Limited still trading?
Tradeline Windows and Doors 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 Tradeline Windows and Doors Limited do?
Tradeline Windows and Doors Limited is registered under Glazing (SIC 43342).
How old is Tradeline Windows and Doors Limited?
Tradeline Windows and Doors Limited was incorporated on 22 November 1993, 32 years ago.
What is the penalty if Tradeline Windows and Doors 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 Tradeline Windows and Doors 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.