- Companies
- Installers
- Aberdare
- Capricorn Windows Ltd
Capricorn Windows Ltd
- Company number
- 04666045
- Incorporated
- 13 Feb 200323 years trading
- Registered office
- 35 Hillside, Cwmdare, Aberdare, Mid Glamorgan, CF44 8RN
- Nature of business
- Other construction installation
Capricorn Windows Ltd is a 23-year-old private limited company registered in Aberdare, company number 04666045, one of 17 installation companies (insulation, lifts, shutters and similar) in Aberdare. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £7,552 (+30.3%) on the year before, to £32K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £62K against £30K owed within a year: 2.0 times cover.
- 4 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £32K | £62K | £30K | 4 | |
| 29 Feb 2024 | £25K | £16K | £55K | £31K | 4 |
| 28 Feb 2023 | £18K | £46K | £70K | £53K | 4 |
| 28 Feb 2022 | £3,445 | £17K | £58K | £57K | 4 |
| 28 Feb 2021 | £8,542 | £88K | £104K | £49K | 4 |
| 29 Feb 2020 | £13K | £17K | £59K | £50K | 4 |
| 28 Feb 2019 | £14K | £26K | £58K | £50K | 4 |
| 28 Feb 2018 | £3,667 | £13K | £44K | £48K | 4 |
| 28 Feb 2017 | -£951 | £17K | £26K | £36K | 4 |
| 29 Feb 2016 | £7,436 | £25K | £43K | £48K |
Public contracts won
Capricorn Windows Ltd has one public sector contract award on record (2024). Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Rhondda Cynon Taf CBC | Disabled Adaptations and Repairs Framework (Darf) | Ceiling, not shown | 1 Nov 2024 |
Where Capricorn Windows Ltd is registered
The registered office is in Aberdare (CF44), in the Rhondda Cynon Taf local authority area, Wales. Show CF44 8RN on a map.
Other trade companies in CF44
- Site Impact Reduction LtdBuilders
- Atlas Motorcare LtdMotor traders
- Albannie Internals LtdInstallers
- Omega Electrical & Renewables LimitedElectricians
- Overdrive Shopfitting LtdJoiners and carpenters
- MRG Lofts and Construction LimitedSpecialist contractors
- CB Heating & Plumbing SW LtdPlumbers and heating engineers
- Cav's Green Management LtdLandscapers and gardeners
What happens if Capricorn 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 04666045
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2003 (23 years ago)
- Registered office
- 35 Hillside, Cwmdare, Aberdare, Mid Glamorgan, CF44 8RN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 13 February 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 Aberdare
Other active installation companies (insulation, lifts, shutters and similar) registered in Aberdare.
- Clad9 Ltd2023
- CLM Windows & Doors Limited2020
- Cva Building Limited2007
- Dca Construction Ltd2026
- DGD Civils Ltd2022
- Eurotech Balcony Systems Ltd2018
- Gap Internals Ltd2015
- Integrated Fencing Ltd2020
All installation companies (insulation, lifts, shutters and similar) in Aberdare · All trades in Aberdare · Installers across the UK
Frequently asked questions
When are Capricorn Windows Ltd's accounts due?
Capricorn Windows Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Capricorn Windows Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Capricorn Windows Ltd still trading?
Capricorn 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 Capricorn Windows Ltd do?
Capricorn Windows Ltd is registered under Other construction installation (SIC 43290).
How old is Capricorn Windows Ltd?
Capricorn Windows Ltd was incorporated on 13 February 2003, 23 years ago.
Has Capricorn Windows Ltd won public sector contracts?
Yes. Capricorn Windows Ltd has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from Rhondda Cynon Taf CBC.
What is the penalty if Capricorn 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 Capricorn Windows Ltd 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.