- Companies
- Installers
- Southampton
- Secure Design Windows Doors Ltd
Secure Design Windows Doors Ltd
- Company number
- 15011396
- Incorporated
- 18 Jul 20233 years trading
- Registered office
- The Mobile Green Lane, Bursledon, Southampton, SO31 8EY
- Nature of business
- Other construction installation; Glazing
Secure Design Windows Doors Ltd is a 3-year-old private limited company registered in Southampton, company number 15011396, one of 132 installation companies (insulation, lifts, shutters and similar) in Southampton. 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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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 £27K (+213%) on the year before, to £40K.
- Current assets of £19K against £37K owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £40K | £19K | £37K | 1 | |
| 31 Jul 2024 | £13K | £13K | £0 | 1 |
Who runs and owns Secure Design Windows Doors Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** B*** | Director | Jul 2023 |
Person with significant control
Where Secure Design Windows Doors Ltd is registered
The registered office is in Southampton (SO31), in the Eastleigh local authority area, South East. Show SO31 8EY 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
Also registered at this address
1 other company uses the same registered office as Secure Design Windows Doors Ltd.
- B and B Homes Southern LtdProperty developers
What happens if Secure Design Windows Doors 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
- 15011396
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 July 2023 (3 years ago)
- Registered office
- The Mobile Green Lane, Bursledon, Southampton, SO31 8EY
- Nature of business
- Other construction installation (SIC 43290)
Glazing (SIC 43342) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 17 July 2026
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 Southampton
Other active installation companies (insulation, lifts, shutters and similar) registered in Southampton.
- Security Southampton Limited2021
- SHS Hants Ltd2013
- Solent Garage Doors Limited2024
- South Coast Ceilings and Partitions Ltd2026
- South Coast Concreting Ltd2017
- South Coast Interiors Limited2001
- Southampton Drives and Patios Ltd2020
- Stay Safe Environmental Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Southampton · All trades in Southampton · Installers across the UK
Frequently asked questions
When are Secure Design Windows Doors Ltd's accounts due?
Secure Design Windows Doors Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Secure Design Windows Doors 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 Secure Design Windows Doors Ltd still trading?
Secure Design Windows Doors 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 Secure Design Windows Doors Ltd do?
Secure Design Windows Doors Ltd is registered under Other construction installation (SIC 43290); Glazing (SIC 43342).
How old is Secure Design Windows Doors Ltd?
Secure Design Windows Doors Ltd was incorporated on 18 July 2023, 3 years ago.
Who runs Secure Design Windows Doors Ltd?
Secure Design Windows Doors Ltd has 1 active director, the longest-serving appointed in Jul 2023. Their names and service addresses are on the Companies House register.
Who owns Secure Design Windows Doors Ltd?
One person or company has significant control of Secure Design Windows Doors Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Secure Design Windows Doors 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 Secure Design Windows Doors 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.