- Companies
- Installers
- Fareham
- Portsmouth Windows Limited
Portsmouth Windows Limited
- Company number
- 12996754
- Incorporated
- 4 Nov 20205 years trading
- Registered office
- 203 West Street, Fareham, Hampshire, PO16 0EN
- Nature of business
- Other construction installation
Portsmouth Windows Limited is a 5-year-old private limited company registered in Fareham, company number 12996754, one of 51 installation companies (insulation, lifts, shutters and similar) in Fareham. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 down £15K (-73.4%) on the year before, to -£35K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £4,520 against £45K owed within a year: 0.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£35K | £19 | £4,520 | £45K | 1 |
| 30 Nov 2024 | -£20K | £912 | £5,413 | £32K | 1 |
| 30 Nov 2023 | -£8,198 | £2,307 | £6,081 | £22K | 1 |
| 30 Nov 2022 | -£747 | £1,150 | £4,499 | £15K | 1 |
| 30 Nov 2021 | -£7,521 | £55 | £1,642 | £20K | 1 |
Who runs and owns Portsmouth Windows Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| V*** M*** | Director | Nov 2020 |
Person with significant control
Where Portsmouth Windows Limited is registered
The registered office is in Fareham (PO16), in the Fareham local authority area, South East. Show PO16 0EN on a map.
Other trade companies in PO16
- Telos Contracts LtdFinishing trades
- Grappuch LimitedFinishing trades
- Cis UK Solutions LtdElectricians
- Pato Construction Group LtdBuilders
- JMS Utilities LimitedCivil engineering
- C Hill Property Maintenance LtdFinishing trades
- BJM Fencing & Landscaping LtdSpecialist contractors
- Baltic Scaffolding LtdScaffolders
Shared registered office
204 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Portsmouth Windows 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 12996754
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 November 2020 (5 years ago)
- Registered office
- 203 West Street, Fareham, Hampshire, PO16 0EN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 1 February 2025
- Previous names
- Portsmouth Windows Ltd Limited (until 4 Apr 2022)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Fareham
Other active installation companies (insulation, lifts, shutters and similar) registered in Fareham.
- SDCL Ltd2025
- Solent Property Maintenance Limited2022
- Solent Shading Ltd2024
- Standplane Limited2002
- Stansted Shopfitters UK Ltd2015
- TCW Install Ltd2021
- The Great British Awning & Blind Co Ltd2020
- Toby Campbell Limited2013
All installation companies (insulation, lifts, shutters and similar) in Fareham · All trades in Fareham · Installers across the UK
Frequently asked questions
When are Portsmouth Windows Limited's accounts due?
Portsmouth Windows Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Portsmouth Windows Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Portsmouth Windows Limited still trading?
Portsmouth Windows Limited 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 Portsmouth Windows Limited do?
Portsmouth Windows Limited is registered under Other construction installation (SIC 43290).
How old is Portsmouth Windows Limited?
Portsmouth Windows Limited was incorporated on 4 November 2020, 5 years ago.
Who runs Portsmouth Windows Limited?
Portsmouth Windows Limited has 1 active director, the longest-serving appointed in Nov 2020. Their names and service addresses are on the Companies House register.
Who owns Portsmouth Windows Limited?
One person or company has significant control of Portsmouth Windows Limited: an individual (owns 75% or more of the shares).
What is the penalty if Portsmouth Windows 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 Portsmouth Windows Limited 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.