- Company number
- 11185558
- Incorporated
- 5 Feb 20188 years trading
- Registered office
- 22 Nelson Road, Uxbridge, UB10 0PU
- Nature of business
- Construction of domestic buildings
G S G Double Glazing Ltd is a 8-year-old private limited company registered in Uxbridge, company number 11185558, one of 278 building contractors in Uxbridge. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 unchanged on the year before, at £250.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £250 | £250 | 1 | ||
| 28 Feb 2024 | £250 | £250 | 1 | ||
| 28 Feb 2023 | £250 | £250 | 1 | ||
| 28 Feb 2022 | £250 | £250 | 1 | ||
| 28 Feb 2021 | £250 | £250 | 1 | ||
| 28 Feb 2020 | £250 | £0 | £250 | 1 | |
| 28 Feb 2019 | £1 | £1 |
Where G S G Double Glazing Ltd is registered
The registered office is in Uxbridge (UB10), in the Hillingdon local authority area, London. Show UB10 0PU on a map.
Other trade companies in UB10
- Buildmag LtdSpecialist contractors
- The Notch Homes LimitedJoiners and carpenters
- Platinum Grade Building LimitedFinishing trades
- Reno Move LtdPainters and decorators
- Giant Trade LimitedMotor traders
- Tiarni Grace Aviation Services LtdMachinery repair and installation
- LKL Vehicle Sales LtdMotor traders
- P Builds LtdPlumbers and heating engineers
What happens if G S G Double Glazing 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11185558
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 February 2018 (8 years ago)
- Registered office
- 22 Nelson Road, Uxbridge, UB10 0PU
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 4 February 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Uxbridge
Other active building contractors registered in Uxbridge.
- G&M General Construction Ltd2026
- Galaxy Design & Developer Ltd2026
- Garry Clark Construction Ltd2026
- Garry Power Limited2009
- GHL Builders Limited2021
- GMS Building Solutions Ltd2013
- GNG Construction London Ltd2022
- GPT Carpentry Ltd.2015
All building contractors in Uxbridge · All trades in Uxbridge · Builders across the UK
Frequently asked questions
When are G S G Double Glazing Ltd's accounts due?
G S G Double Glazing Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is G S G Double Glazing Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is G S G Double Glazing Ltd still trading?
G S G Double Glazing 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 G S G Double Glazing Ltd do?
G S G Double Glazing Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is G S G Double Glazing Ltd?
G S G Double Glazing Ltd was incorporated on 5 February 2018, 8 years ago.
What is the penalty if G S G Double Glazing 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 G S G Double Glazing 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.