Company profile · Glaziers
Spectrum Windows Limited
Spectrum Windows Limited is a 23-year-old private limited company registered in Llandudno, company number 04668199, one of the UK's glazing companies. 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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Financial snapshot, 2026
From the balance sheet at 31 July 2026, as filed at Companies House.
Spectrum Windows Limited over the years
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 £2,648 (-6%) on the year before, to £42K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £117K against £84K owed within a year: 1.4 times cover.
- 5 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 Jul 2026 | £42K | £117K | £84K | 5 | |
| 31 Jul 2025 | £44K | £134K | £87K | 5 | |
| 31 Jul 2024 | £50K | £183K | £113K | 5 | |
| 31 Jul 2023 | £56K | £151K | £74K | 5 | |
| 31 Jul 2022 | £60K | £200K | £65K | 5 | |
| 31 Jul 2021 | £68K | £175K | £80K | 5 | |
| 31 Jul 2020 | £54K | £74K | £32K | 6 | |
| 31 Jul 2019 | £80K | £137K | £64K | ||
| 31 Jul 2018 | £54K | £92K | £41K | ||
| 31 Jul 2017 | £68K | £121K | £49K |
Where Spectrum Windows Limited is registered
The registered office is in Llandudno (LL30), in the Conwy local authority area, Wales. Show LL30 1HW on a map.
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What happens if Spectrum 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 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
- 04668199
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2003 (23 years ago)
- Registered office
- BSB House, Builder Street West, Llandudno, N Wales, LL30 1HW
- Nature of business
- 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 February 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Spectrum Windows Limited's accounts due?
Spectrum Windows Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Spectrum Windows Limited'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 Spectrum Windows Limited still trading?
Spectrum 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 Spectrum Windows Limited do?
Spectrum Windows Limited is registered under Glazing (SIC 43342).
How old is Spectrum Windows Limited?
Spectrum Windows Limited was incorporated on 17 February 2003, 23 years ago.
What is the penalty if Spectrum 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 Spectrum Windows Limited on Companies House for filed documents, officers and the full history.
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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.