Unique Seal Windows Limited
- Company number
- 08546133
- Incorporated
- 28 May 201313 years trading
- Registered office
- 54 Gorton Road, Willerby, East Yorkshire, HU10 6LT
- Nature of business
- Glazing
Unique Seal Windows Limited is a 13-year-old private limited company registered in Willerby, company number 08546133, one of the UK's glazing companies. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
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 £14K (-89.2%) on the year before, to £1,664.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £26K against £39K owed within a year: 0.7 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £1,664 | £23K | £26K | £39K | 3 |
| 31 May 2025 | £15K | £8,118 | £9,418 | £16K | 3 |
| 31 May 2024 | £388 | £1,677 | £6,718 | £12K | 3 |
| 31 May 2023 | £184 | £1,222 | £1,448 | £8,701 | 3 |
| 31 May 2022 | £1,775 | £7,888 | £8,092 | £14K | 3 |
| 31 May 2021 | -£9,427 | £7,824 | £11K | £29K | 2 |
| 31 May 2020 | -£1,361 | £2 | £8,014 | £10K | 2 |
| 31 May 2019 | -£3,909 | £11K | £11K | £13K | 2 |
| 31 May 2018 | £1,988 | £9,040 | £10K | £6,395 | 1 |
| 31 May 2017 | £3,194 | £1,417 | £1,417 | £23 | 2 |
Where Unique Seal Windows Limited is registered
The registered office is in Willerby (HU10), in the East Riding of Yorkshire local authority area, Yorkshire and The Humber. Show HU10 6LT on a map.
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- Beverley Plumbers LimitedPlumbers and heating engineers
- Ser Plastering LimitedPlasterers
- R22 Property LtdProperty developers
- Nexus Plumbing Solutions LimitedPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as Unique Seal Windows Limited.
What happens if Unique Seal 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 08546133
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 May 2013 (13 years ago)
- Registered office
- 54 Gorton Road, Willerby, East Yorkshire, HU10 6LT
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 28 May 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
Other active glazing companies.
Frequently asked questions
When are Unique Seal Windows Limited's accounts due?
Unique Seal Windows Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Unique Seal Windows Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Unique Seal Windows Limited still trading?
Unique Seal Windows 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 Seal Windows Limited do?
Unique Seal Windows Limited is registered under Glazing (SIC 43342).
How old is Unique Seal Windows Limited?
Unique Seal Windows Limited was incorporated on 28 May 2013, 13 years ago.
What is the penalty if Unique Seal 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 Unique Seal Windows 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.