- Companies
- Glaziers
- Stockton-on-Tees
- 1ST Windows Ltd
1ST Windows Ltd
- Company number
- 15860289
- Incorporated
- 26 Jul 20242 years trading
- Registered office
- 4A Front Street, Sedgefield, Stockton-on-Tees, TS21 3AT
- Nature of business
- Glazing
1ST Windows Ltd is a 2-year-old private limited company registered in Stockton-on-Tees, company number 15860289, one of 8 glazing companies in Stockton-on-Tees. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 July 2025, as filed at Companies House.
Where 1ST Windows Ltd is registered
The registered office is in Stockton-on-Tees (TS21), in the County Durham local authority area, North East. Show TS21 3AT on a map.
Other trade companies in TS21
- Red Testing Services LtdElectricians
- JL Utilities (North East) LtdCivil engineering
- Metlec LtdElectricians
- NB Snagging Surveys LimitedFinishing trades
- DMC Lifting LtdInstallers
- Natex Construction LtdProperty developers
- 17237044 LimitedFinishing trades
- Adam Smith Property Services LtdInstallers
Also registered at this address
11 other companies use the same registered office as 1ST Windows Ltd.
- Afmx LtdMotor traders
- Building and Landscape Solutions LtdSpecialist contractors
- Equus Vehicles LimitedMotor traders
- Evergreen Holiday Park LimitedSpecialist contractors
- JL Utilities (North East) LtdCivil engineering
- M & A Total LimitedSpecialist contractors
- Morris Plumbing & Heating (Ne) LtdPlumbers and heating engineers
- Moto 2 LtdMotor traders
- My Home Creations LtdSpecialist contractors
- PR Electrical Contractor LimitedElectricians
- Three Gates Vehicles LimitedMotor traders
What happens if 1ST Windows 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15860289
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 July 2024 (2 years ago)
- Registered office
- 4A Front Street, Sedgefield, Stockton-on-Tees, TS21 3AT
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 25 July 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 in Stockton-on-Tees
Other active glazing companies registered in Stockton-on-Tees.
- BL Windows Installations and Repairs Ltd2024
- D L Grant Ltd2012
- Ecoseal Windows and Doors Ne Ltd2022
- Fascialift UPVC Maintenance Ltd2013
- Frostree Limited1981
- H & H Double Glazing Limited2009
- Prime Group Windows & Doors Ltd2026
All glazing companies in Stockton-on-Tees · All trades in Stockton-on-Tees · Glaziers across the UK
Frequently asked questions
When are 1ST Windows Ltd's accounts due?
1ST Windows Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is 1ST Windows Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is 1ST Windows Ltd still trading?
1ST Windows Ltd is listed as active on the Companies House register (checked 12 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 1ST Windows Ltd do?
1ST Windows Ltd is registered under Glazing (SIC 43342).
How old is 1ST Windows Ltd?
1ST Windows Ltd was incorporated on 26 July 2024, 2 years ago.
What is the penalty if 1ST Windows 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 1ST Windows Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.