- Company number
- 08885209
- Incorporated
- 11 Feb 201412 years trading
- Registered office
- 108 Surbiton Hill Park, Surbiton, KT5 8EP
- Nature of business
- Glazing
G3 Windows & Doors Limited is a 12-year-old private limited company registered in Surbiton, company number 08885209, one of 5 glazing companies in Surbiton. 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 up £713 (+1.3%) on the year before, to £54K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £59K against £5,055 owed within a year: more than 10 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £54K | £59K | £5,055 | 1 | |
| 28 Feb 2024 | £53K | £60K | £6,691 | 1 | |
| 28 Feb 2023 | £45K | £52K | £6,624 | 1 | |
| 28 Feb 2022 | £38K | £45K | £6,865 | 1 | |
| 28 Feb 2021 | £5,814 | £3,634 | £9,448 | 1 | |
| 28 Feb 2020 | £197 | £7,656 | £7,459 | 1 | |
| 28 Feb 2019 | £3,173 | £7,341 | £4,168 | ||
| 28 Feb 2018 | £3,600 | £8,129 | £4,529 | ||
| 28 Feb 2017 | £2,454 | £7,036 | £4,582 | ||
| 28 Feb 2016 | £2,028 | £9,362 | £7,334 |
Who runs and owns G3 Windows & Doors Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| G*** G*** | Director | Feb 2014 |
Person with significant control
Where G3 Windows & Doors Limited is registered
The registered office is in Surbiton (KT5), in the Kingston upon Thames local authority area, London. Show KT5 8EP on a map.
Other trade companies in KT5
- We Got You Covered Roofing & Driveways LimitedRoofers
- G&K Houston Services LtdBuilders
- Pipe IT LtdPlumbers and heating engineers
- May Living Spaces LtdBuilders
- Devicefix Tech LtdRepair services
- Voltanko Electricians LtdElectricians
- Wa Plumbing LtdPlumbers and heating engineers
- Constantin Gugean LtdBuilders
What happens if G3 Windows & 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 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
- 08885209
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 February 2014 (12 years ago)
- Registered office
- 108 Surbiton Hill Park, Surbiton, KT5 8EP
- Nature of business
- Glazing (SIC 43342)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 2 February 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 Surbiton
Other active glazing companies registered in Surbiton.
- Juno Glass Limited1986
- Minimal Frame Projects UK Ltd2019
- Sash Windows London Limited2005
- Bourne Services Limited2006
All glazing companies in Surbiton · All trades in Surbiton · Glaziers across the UK
Frequently asked questions
When are G3 Windows & Doors Limited's accounts due?
G3 Windows & Doors Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is G3 Windows & Doors Limited'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 G3 Windows & Doors Limited still trading?
G3 Windows & 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 G3 Windows & Doors Limited do?
G3 Windows & Doors Limited is registered under Glazing (SIC 43342).
How old is G3 Windows & Doors Limited?
G3 Windows & Doors Limited was incorporated on 11 February 2014, 12 years ago.
Who runs G3 Windows & Doors Limited?
G3 Windows & Doors Limited has 1 active director, the longest-serving appointed in Feb 2014. Their names and service addresses are on the Companies House register.
Who owns G3 Windows & Doors Limited?
One person or company has significant control of G3 Windows & Doors Limited: an individual (owns 75% or more of the shares).
What is the penalty if G3 Windows & 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 G3 Windows & 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.