- Company number
- SC293756
- Incorporated
- 28 Nov 200520 years trading
- Registered office
- 28-30 North Street, Dalry, Ayrshire, KA24 5DW
- Nature of business
- Glazing
Spectrum Window and Door Maintenance Limited is a 20-year-old private limited company registered in Dalry, company number SC293756, one of the UK's glazing companies. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £34K (+21.6%) on the year before, to £191K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £290K against £135K owed within a year: 2.1 times cover.
- 15 employees on average, up from 11 the year before.
- 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 Nov 2025 | £191K | £84K | £290K | £135K | 15 |
| 30 Nov 2024 | £157K | £219K | £190K | 11 | |
| 30 Nov 2023 | £81K | £166K | £214K | 11 | |
| 30 Nov 2022 | £74K | £200K | 11 | ||
| 30 Nov 2021 | £36K | £167K | £195K | 11 | |
| 30 Nov 2020 | £37K | £99K | £129K | 11 | |
| 30 Nov 2019 | £26K | £56K | £71K | 10 | |
| 30 Nov 2018 | £33K | £57K | £54K | ||
| 30 Nov 2017 | £20K | £24K | £25K | ||
| 30 Nov 2016 | £33K | £61K | £37K |
Where Spectrum Window and Door Maintenance Limited is registered
The registered office is in Dalry (KA24), in the North Ayrshire local authority area, Scotland. Show KA24 5DW on a map.
Other trade companies in KA24
- MCDS Trees & Fencing LtdLandscapers and gardeners
- SFD Automotive LimitedMechanics and garages
- A1 Electrical and Renewables LimitedElectricians
- Plastermaster Scotland LtdPlasterers
- S&A Maintenance Scotland LtdLandscapers and gardeners
- Ayrshire Body and Paint LtdMechanics and garages
- JB Property Solutions Scotland LtdSpecialist contractors
- S&A Garden Makeover Scotland LtdLandscapers and gardeners
Shared registered office
58 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 Spectrum Window and Door Maintenance 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- SC293756
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 November 2005 (20 years ago)
- Registered office
- 28-30 North Street, Dalry, Ayrshire, KA24 5DW
- Nature of business
- Glazing (SIC 43342)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 28 November 2025
- 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.
Similar companies in Dalry
Other active glazing companies registered in Dalry.
- SRJ (Scotland) Limited2006
- McLuskey Glazing Limited2006
- Listed Window Refurbishment Limited2006
- Cruickshank Glaziers Ltd.2007
- Tayside Windows Limited2007
- Optix Glazing Ltd2007
- Regency Glazing Limited2008
- A Carroll Double Glazing Limited2008
All glazing companies in Dalry · All trades in Dalry · Glaziers across the UK
Frequently asked questions
When are Spectrum Window and Door Maintenance Limited's accounts due?
Spectrum Window and Door Maintenance Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Spectrum Window and Door Maintenance Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Spectrum Window and Door Maintenance Limited still trading?
Spectrum Window and Door Maintenance 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 Window and Door Maintenance Limited do?
Spectrum Window and Door Maintenance Limited is registered under Glazing (SIC 43342).
How old is Spectrum Window and Door Maintenance Limited?
Spectrum Window and Door Maintenance Limited was incorporated on 28 November 2005, 20 years ago.
What is the penalty if Spectrum Window and Door Maintenance 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 Window and Door Maintenance 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.