- Companies
- Glaziers
- Southampton
- Platinum Windows & Conservatories Limited
Platinum Windows & Conservatories Limited
- Company number
- 07488023
- Incorporated
- 11 Jan 201115 years trading
- Registered office
- 31 Bembridge, Netley Abbey, Southampton, Hampshire, SO31 5PN
- Nature of business
- Glazing
Platinum Windows & Conservatories Limited is a 15-year-old private limited company registered in Southampton, company number 07488023, one of 32 glazing companies in Southampton. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £49K (+33.4%) on the year before, to £194K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £262K against £76K owed within a year: 3.5 times cover.
- 3 employees 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | £194K | £262K | £76K | 3 | |
| 31 Jan 2024 | £146K | £273K | £127K | 3 | |
| 31 Jan 2023 | £104K | £205K | £97K | 3 | |
| 31 Jan 2022 | £38K | £176K | £132K | 3 | |
| 31 Jan 2021 | £17K | £101K | £100K | 3 | |
| 31 Jan 2020 | £25K | £91K | £83K | 3 | |
| 31 Jan 2019 | £6,528 | £58K | £54K | ||
| 31 Jan 2018 | £2,990 | £27K | £27K | ||
| 31 Jan 2017 | £28K | £75K | £51K | ||
| 31 Jan 2016 | £34K | £50K | £71K | £42K |
Where Platinum Windows & Conservatories Limited is registered
The registered office is in Southampton (SO31), in the Eastleigh local authority area, South East. Show SO31 5PN on a map.
Other trade companies in SO31
- MNC Cleaning LtdCleaning companies
- Mars Eng. LtdMachinery repair and installation
- Amc Plumbing and Heating LtdPlumbers and heating engineers
- Pride & Bloom LtdLandscapers and gardeners
- Hampshire Heating and Cooling LtdPlumbers and heating engineers
- Kelpie Landscape & Build LtdFinishing trades
- FSC Facilities Services LtdInstallers
- Fitton & Redding Services LimitedMechanics and garages
What happens if Platinum Windows & Conservatories 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 07488023
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 January 2011 (15 years ago)
- Registered office
- 31 Bembridge, Netley Abbey, Southampton, Hampshire, SO31 5PN
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 11 January 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 Southampton
Other active glazing companies registered in Southampton.
- Premier Windows & Conservatories (Southern) Limited2002
- Pro Glaze Windows Doors & Conservatories Limited2010
- Purely Trade Windows Limited2025
- R&C Improvements Ltd2025
- Roger the Window Man Limited2014
- Solent Imports Limited2022
- Southern Window Services Ltd2010
- Square 1 Architectural Solutions Limited2011
All glazing companies in Southampton · All trades in Southampton · Glaziers across the UK
Frequently asked questions
When are Platinum Windows & Conservatories Limited's accounts due?
Platinum Windows & Conservatories Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Platinum Windows & Conservatories Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Platinum Windows & Conservatories Limited still trading?
Platinum Windows & Conservatories 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 Platinum Windows & Conservatories Limited do?
Platinum Windows & Conservatories Limited is registered under Glazing (SIC 43342).
How old is Platinum Windows & Conservatories Limited?
Platinum Windows & Conservatories Limited was incorporated on 11 January 2011, 15 years ago.
What is the penalty if Platinum Windows & Conservatories 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 Platinum Windows & Conservatories 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.