- Company number
- 09465923
- Incorporated
- 2 Mar 201511 years trading
- Registered office
- 14 Parlaunt Road, Slough, SL3 8BB
- Nature of business
- Glazing
Pro Plastics Limited is a 11-year-old private limited company registered in Slough, company number 09465923, one of 44 glazing companies in Slough. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 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 down £502 (-18.5%) on the year before, to £2,206.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £29K against £142 owed within a year: more than 10 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £2,206 | £29K | £142 | 1 | |
| 31 Mar 2024 | £2,708 | £36K | £142 | 1 | |
| 31 Mar 2023 | £2,196 | £44K | £1,017 | 1 | |
| 31 Mar 2022 | £1,101 | £62K | £2,201 | 0 | |
| 31 Mar 2021 | £100 | £100 | |||
| 31 Mar 2020 | £100 | £100 | |||
| 31 Mar 2019 | £100 | £100 | |||
| 31 Mar 2018 | £100 | £100 | |||
| 31 Mar 2017 | £100 | £100 | |||
| 31 Mar 2016 | £1 | £1 |
Where Pro Plastics Limited is registered
The registered office is in Slough (SL3), in the Slough local authority area, South East. Show SL3 8BB on a map.
Other trade companies in SL3
- Tac Design & Build LtdFinishing trades
- G&S Formwork LtdBuilders
- Klenzo LtdCleaning companies
- West London Crown Construction LtdBuilders
- Dahlia Investment Group LimitedProperty developers
- Ekon Electrics LtdElectricians
- R&G Maintenance LtdCleaning companies
- Cornerstone Homes & Estates LtdProperty developers
Also registered at this address
3 other companies use the same registered office as Pro Plastics Limited.
- Pro Architectural LtdProperty developers
- Pro Glazing Group LtdGlaziers
- Pro Home Group LtdGlaziers
What happens if Pro Plastics 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 09465923
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 March 2015 (11 years ago)
- Registered office
- 14 Parlaunt Road, Slough, SL3 8BB
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 February 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 Slough
Other active glazing companies registered in Slough.
- S O'Connor Windows Limited2015
- S&K Double Glazing Ltd2023
- Ses Bifold Ltd2019
- Styllish Windows Ltd.2017
- The Glass Guys Ltd2026
- Tops Glazing Ltd2019
- Urban Doors&Window Glazing Ltd2025
- A Class Windows & Doors Ltd2023
All glazing companies in Slough · All trades in Slough · Glaziers across the UK
Frequently asked questions
When are Pro Plastics Limited's accounts due?
Pro Plastics Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Pro Plastics Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Pro Plastics Limited still trading?
Pro Plastics 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 Pro Plastics Limited do?
Pro Plastics Limited is registered under Glazing (SIC 43342).
How old is Pro Plastics Limited?
Pro Plastics Limited was incorporated on 2 March 2015, 11 years ago.
What is the penalty if Pro Plastics 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 Pro Plastics 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.