- Company number
- 04091812
- Incorporated
- 17 Oct 200025 years trading
- Registered office
- 13 Green Park, Coed Cae Lane Industrial Estate, Pontyclun, Mid Glamorgan, CF72 9GP
- Nature of business
- Glazing
J P Windows & Conservatories Limited is a 25-year-old private limited company registered in Pontyclun, company number 04091812, one of the UK's glazing companies. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 £87K (+49.6%) on the year before, to £262K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- 4 employees on average, down from 5 the year before.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £262K | £272K | £440K | 4 | |
| 31 Mar 2024 | £175K | £232K | £362K | £203K | 5 |
| 31 Mar 2023 | £66K | £194K | £235K | £150K | 3 |
| 30 Sep 2022 | £28K | £205K | £181K | 3 | |
| 31 Mar 2022 | £48K | £176K | £133K | 5 | |
| 31 Mar 2021 | £19K | £140K | £127K | 4 | |
| 31 Mar 2020 | £121 | £60K | £68K | 4 | |
| 31 Mar 2019 | £69 | £90K | £99K | ||
| 31 Mar 2018 | £1,726 | £80K | £89K | ||
| 31 Mar 2017 | £1,023 | £74K | £76K |
Who runs and owns J P Windows & Conservatories Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** T*** | Director | Oct 2022 |
5 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| L*** P*** | Secretary | Oct 2000 | May 2021 |
| Swift Incorporations Limited | Corporate Nominee Secretary | Oct 2000 | Oct 2000 |
| A*** J*** | Director | Oct 2000 | Oct 2022 |
| J*** N*** | Director | Oct 2022 | Mar 2026 |
| R*** P*** | Director | Oct 2000 | May 2021 |
Person with significant control
Where J P Windows & Conservatories Limited is registered
The registered office is in Pontyclun (CF72), in the Rhondda Cynon Taf local authority area, Wales. Show CF72 9GP on a map.
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What happens if J P Windows & Conservatories 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 04091812
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 October 2000 (25 years ago)
- Registered office
- 13 Green Park, Coed Cae Lane Industrial Estate, Pontyclun, Mid Glamorgan, CF72 9GP
- Nature of business
- Glazing (SIC 43342)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 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 in Pontyclun
Other active glazing companies registered in Pontyclun.
All glazing companies in Pontyclun · All trades in Pontyclun · Glaziers across the UK
Frequently asked questions
When are J P Windows & Conservatories Limited's accounts due?
J P Windows & Conservatories Limited's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is J P Windows & Conservatories Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is J P Windows & Conservatories Limited still trading?
J P Windows & Conservatories 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 J P Windows & Conservatories Limited do?
J P Windows & Conservatories Limited is registered under Glazing (SIC 43342).
How old is J P Windows & Conservatories Limited?
J P Windows & Conservatories Limited was incorporated on 17 October 2000, 25 years ago.
Who runs J P Windows & Conservatories Limited?
J P Windows & Conservatories Limited has 1 active director, the longest-serving appointed in Oct 2022. Their names and service addresses are on the Companies House register.
Who owns J P Windows & Conservatories Limited?
One person or company has significant control of J P Windows & Conservatories Limited: Maskat Holdings Limited (owns 75% or more of the shares).
What is the penalty if J P Windows & Conservatories 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 J P Windows & Conservatories 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.