- Company number
- 16109086
- Incorporated
- 29 Nov 20241 year trading
- Registered office
- Vivian House, Newham Road, Truro, Cornwall, TR1 2DP
- Nature of business
- Glazing
Pro-Line Window Company Limited is a 1-year-old private limited company registered in Truro, company number 16109086, one of 5 glazing companies in Truro. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Where Pro-Line Window Company Limited is registered
The registered office is in Truro (TR1), in the Cornwall local authority area, South West. Show TR1 2DP on a map.
Other trade companies in TR1
- Wind Power Maintenance Services LtdMachinery repair and installation
- Treser Landscapes LimitedLandscapers and gardeners
- Alvan’S Painting Inc LtdPainters and decorators
- Acm Rail LtdCivil engineering
- Zest Developers SW LtdProperty developers
- Kernow Smart Repairs LtdMotor traders
- Millers Gardening & General Maintenance LtdLandscapers and gardeners
- JG Industries LtdFinishing trades
Also registered at this address
23 other companies use the same registered office as Pro-Line Window Company Limited.
- Alvan’S Painting Inc LtdPainters and decorators
- C Pridmore Electrical Contractors LimitedElectricians
- D Harding Construction LimitedBuilders
- I4Detail Development LimitedBuilders
- Inter Solutions LtdSpecialist contractors
- J C Williams Cars and Commercials LtdMotor traders
- Jab Site Management LimitedSpecialist contractors
- Marine Lab LtdMachinery repair and installation
- Mike Martin Window Systems LimitedBuilders
- N & C Property Developments (Truro) LimitedBuilders
- Napton Developments LimitedProperty developers
- North Coast Heating LtdPlumbers and heating engineers
- NSN Electrical LtdMachinery repair and installation
- Oxley Bros LimitedMechanics and garages
- Penbreage Design Services LtdGlaziers
- Roseland Restoration LimitedCivil engineering
- Roseland Resurfacing LimitedSpecialist contractors
- Source Development (Cornwall) LimitedProperty developers
- Toliman Developments LtdProperty developers
- Trelawney Builders LimitedProperty developers
- Westberry Building Services LimitedBuilders
- Williams Creative Homes (Stencoose) LtdProperty developers
- Willow Construction (South West) LimitedFinishing trades
What happens if Pro-Line 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16109086
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 November 2024 (1 year ago)
- Registered office
- Vivian House, Newham Road, Truro, Cornwall, TR1 2DP
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 28 November 2025
- Previous names
- Pro-Line Penzance Limited (until 3 Feb 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 Truro
Other active glazing companies registered in Truro.
- South West Window Maintenance Limited2013
- Adept Glaziers Ltd2018
- Duchy Glass Ltd2015
- Penbreage Design Services Ltd2019
All glazing companies in Truro · All trades in Truro · Glaziers across the UK
Frequently asked questions
When are Pro-Line Window Company Limited's accounts due?
Pro-Line Window Company Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Pro-Line Window Company Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Pro-Line Window Company Limited still trading?
Pro-Line 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 Pro-Line Window Company Limited do?
Pro-Line Window Company Limited is registered under Glazing (SIC 43342).
How old is Pro-Line Window Company Limited?
Pro-Line Window Company Limited was incorporated on 29 November 2024, 1 year ago.
What is the penalty if Pro-Line 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 Pro-Line 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.