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Custom UPVC Windows Ltd

ActiveTotal exemption (full) accountsGlaziersBlackburn
Company number
05576032
Incorporated
27 Sep 200521 years trading
Registered office
12 Trident Park, Trident Way, Blackburn, BB1 3NU
Nature of business
Glazing
Accounts due in
444 days
31 Dec 2027
Net assets
£458K▲
+19.4% on the year before
Cash at bank
£602K▲
At 31 Mar 2026
Employees
10
Average during the year
From the Companies House register, 1 Oct 2026

Custom UPVC Windows Ltd is a 21-year-old private limited company registered in Blackburn, company number 05576032, one of 9 glazing companies in Blackburn. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Dec 2027
in 444 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 535 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 445 days
9 months and 1 day after the period end
Confirmation statement
5 Dec 2026
in 53 days
Last made up to 21 Nov 2025

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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 £74K (+19.4%) on the year before, to £458K.
  • Net assets rose in 7 of 9 year-on-year comparisons on record.
  • Current assets of £658K against £264K owed within a year: 2.5 times cover.
  • 10 employees on average, up from 8 the year before.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£200K£400K31 March 2017: net assets £49K£49K201731 March 2018: net assets £32K£32K201831 March 2019: net assets £42K£42K201931 March 2020: net assets £19K£19K202031 March 2021: net assets £102K£102K202131 March 2022: net assets £176K£176K202231 March 2023: net assets £212K£212K202331 March 2024: net assets £335K£335K202431 March 2025: net assets £384K£384K202531 March 2026: net assets £458K£458K2026
Net assets at each year end, 2017 to 2026£0£200K£400K31 March 2017: net assets £49K£49K'1731 March 2018: net assets £32K£32K'1831 March 2019: net assets £42K£42K'1931 March 2020: net assets £19K£19K'2031 March 2021: net assets £102K£102K'2131 March 2022: net assets £176K£176K'2231 March 2023: net assets £212K£212K'2331 March 2024: net assets £335K£335K'2431 March 2025: net assets £384K£384K'2531 March 2026: net assets £458K£458K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£458K£602K£658K£264K10
31 Mar 2025£384K£391K£464K£249K8
31 Mar 2024£335K£326K£409K£251K11
31 Mar 2023£212K£241K£292K£268K11
31 Mar 2022£176K£270K£339K£188K7
31 Mar 2021£102K£246K£177K7
31 Mar 2020£19K£190K£179K7
31 Mar 2019£42K£172K£134K
31 Mar 2018£32K£102K£75K
31 Mar 2017£49K£151K£109K

Where Custom UPVC Windows Ltd is registered

Custom UPVC Windows Ltd's registered office on a map of the UK

The registered office is in Blackburn (BB1), in the Hyndburn local authority area, North West. Show BB1 3NU on a map.

Other trade companies in BB1

Also registered at this address

8 other companies use the same registered office as Custom UPVC Windows Ltd.

What happens if Custom UPVC Windows 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 31 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
05576032
Status
Active
Company type
Private limited company
Incorporated
27 September 2005 (21 years ago)
Registered office
12 Trident Park, Trident Way, Blackburn, BB1 3NU
Nature of business
Glazing (SIC 43342)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
21 November 2025

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.

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Frequently asked questions

When are Custom UPVC Windows Ltd's accounts due?

Custom UPVC Windows Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.

When is Custom UPVC Windows Ltd's CT600 due?

The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.

Is Custom UPVC Windows Ltd still trading?

Custom UPVC Windows 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 Custom UPVC Windows Ltd do?

Custom UPVC Windows Ltd is registered under Glazing (SIC 43342).

How old is Custom UPVC Windows Ltd?

Custom UPVC Windows Ltd was incorporated on 27 September 2005, 21 years ago.

What is the penalty if Custom UPVC Windows 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 Custom UPVC Windows Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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