- Companies
- Joiners and carpenters
- St Austell
- ST Austell Bay Plastics Limited
ST Austell Bay Plastics Limited
- Company number
- 05367467
- Incorporated
- 17 Feb 200521 years trading
- Registered office
- ST Austell Bay Plastics ST Austell Bay Plastics, Unit F, Dainton Units, Par Moor Road, St Austell, Cornwall, PL25 3RF
- Nature of business
- Joinery installation
ST Austell Bay Plastics Limited is a 21-year-old private limited company registered in St Austell, company number 05367467, one of the UK's joinery companies. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £10K (-59.1%) on the year before, to £7,078.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £80K against £106K owed within a year: 0.8 times cover.
- 8 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | £7,078 | £80K | £106K | 8 | |
| 31 Jan 2024 | £17K | £83K | £98K | 8 | |
| 31 Jan 2023 | £1,080 | £97K | £139K | 8 | |
| 31 Jan 2022 | £268 | £60K | £108K | 8 | |
| 31 Jan 2021 | £28K | £50K | £111K | 8 | |
| 31 Jan 2020 | £3,351 | £80K | £109K | 8 | |
| 16 Feb 2019 | £4,879 | £56K | £99K | ||
| 16 Feb 2018 | £23K | £68K | £90K | ||
| 16 Feb 2017 | £17K | £82K | £111K | ||
| 16 Feb 2016 | -£8,719 | £20 | £64K | £110K |
Where ST Austell Bay Plastics Limited is registered
The registered office is in St Austell (PL25), in the Cornwall local authority area, South West. Show PL25 3RF on a map.
Other trade companies in PL25
- Platinum Window Care LimitedCleaning companies
- Aspire Land Property LimitedProperty developers
- Kernow Property Portfolio LtdProperty developers
- Bould Landscapes LimitedLandscapers and gardeners
- Rustic Homes LtdProperty developers
- Rustic Property LtdProperty developers
- Balustrade Solutions Cornwall LimitedInstallers
- R&L Developments Group LtdBuilders
What happens if ST Austell Bay 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 05367467
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2005 (21 years ago)
- Registered office
- ST Austell Bay Plastics ST Austell Bay Plastics, Unit F, Dainton Units, Par Moor Road, St Austell, Cornwall, PL25 3RF
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 16 February 2026
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in St Austell
Other active joinery companies registered in St Austell.
All joinery companies in St Austell · All trades in St Austell · Joiners and carpenters across the UK
Frequently asked questions
When are ST Austell Bay Plastics Limited's accounts due?
ST Austell Bay Plastics Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is ST Austell Bay Plastics Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is ST Austell Bay Plastics Limited still trading?
ST Austell Bay 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 ST Austell Bay Plastics Limited do?
ST Austell Bay Plastics Limited is registered under Joinery installation (SIC 43320).
How old is ST Austell Bay Plastics Limited?
ST Austell Bay Plastics Limited was incorporated on 17 February 2005, 21 years ago.
What is the penalty if ST Austell Bay 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 ST Austell Bay 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.