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- Installers
- Harrow
- Unique Windows Doors & Conservatories Limited
Unique Windows Doors & Conservatories Limited
- Company number
- 05777909
- Incorporated
- 11 Apr 200620 years trading
- Registered office
- Lynwood House,, 373/375 Station Road, Harrow, HA1 2AW
- Nature of business
- Other construction installation
Unique Windows Doors & Conservatories Limited is a 20-year-old private limited company registered in Harrow, company number 05777909, one of 130 installation companies (insulation, lifts, shutters and similar) in Harrow. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £962 (-81.5%) on the year before, to £218.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £31K against £34K owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £218 | £31K | £34K | 0 | |
| 30 Apr 2024 | £1,180 | £33K | £35K | 5 | |
| 30 Apr 2023 | £1,189 | £54K | £58K | 5 | |
| 30 Apr 2022 | £5,964 | £44K | £43K | 5 | |
| 30 Apr 2021 | £9,125 | £60K | £55K | 5 | |
| 30 Apr 2020 | £7,913 | £20K | £44K | £38K | |
| 30 Apr 2019 | £440 | £15K | £35K | £35K | |
| 30 Apr 2018 | £1,978 | £23K | £33K | £32K | |
| 30 Apr 2017 | £774 | £6,771 | £20K | £20K | |
| 30 Apr 2016 | £1,485 | £17K | £46K | £45K |
Who runs and owns Unique Windows Doors & Conservatories Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| L*** S*** | Director | Apr 2006 |
| L*** S*** | Director | Aug 2018 |
| L*** S*** | Secretary | Apr 2006 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Temple Secretaries Limited | Corporate Nominee Secretary | Apr 2006 | Apr 2006 |
| D*** S*** | Director | Apr 2006 | Aug 2018 |
| Company Directors Limited | Nominee director (company) | Apr 2006 | Apr 2006 |
People with significant control (2)
Where Unique Windows Doors & Conservatories Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2AW on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Shared registered office
40 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 Unique Windows Doors & 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 05777909
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 2006 (20 years ago)
- Registered office
- Lynwood House,, 373/375 Station Road, Harrow, HA1 2AW
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 11 April 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 Harrow
Other active installation companies (insulation, lifts, shutters and similar) registered in Harrow.
- Unisco Limited2005
- United Brothers 24 Ltd2024
- Universal Interiors (UK) Limited2005
- Vaspa Limited1987
- VBD Limited2026
- Verde Industrial Solutions Limited2019
- VNG Interiors Ltd2021
- VNT Construction Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Harrow · All trades in Harrow · Installers across the UK
Frequently asked questions
When are Unique Windows Doors & Conservatories Limited's accounts due?
Unique Windows Doors & Conservatories Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Unique Windows Doors & Conservatories Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Unique Windows Doors & Conservatories Limited still trading?
Unique Windows Doors & 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 Unique Windows Doors & Conservatories Limited do?
Unique Windows Doors & Conservatories Limited is registered under Other construction installation (SIC 43290).
How old is Unique Windows Doors & Conservatories Limited?
Unique Windows Doors & Conservatories Limited was incorporated on 11 April 2006, 20 years ago.
Who runs Unique Windows Doors & Conservatories Limited?
Unique Windows Doors & Conservatories Limited has 2 active directors, the longest-serving appointed in Apr 2006. Their names and service addresses are on the Companies House register.
Who owns Unique Windows Doors & Conservatories Limited?
2 people or companies have significant control of Unique Windows Doors & Conservatories Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Unique Windows Doors & 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 Unique Windows Doors & 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.