- Companies
- Finishing trades
- Worcester
- Prostone Installations Ltd.
Prostone Installations Ltd.
- Company number
- 15542952
- Incorporated
- 6 Mar 20242 years trading
- Registered office
- 20 Armstrong Drive, Worcester, WR1 2GA
- Nature of business
- Other building completion and finishing
Prostone Installations Ltd. is a 2-year-old private limited company registered in Worcester, company number 15542952, one of 53 building finishing companies in Worcester. 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where Prostone Installations Ltd. is registered
The registered office is in Worcester (WR1), in the Worcester local authority area, West Midlands. Show WR1 2GA on a map.
Other trade companies in WR1
- Smart Key Solutions LtdMechanics and garages
- Cool Co Air Conditioning LimitedPlumbers and heating engineers
- Deorads Construction LtdBuilders
- MM Shine Residential LtdCleaning companies
- Gold Star Valeting Worcester LtdCleaning companies
- Raine Property Services LimitedPainters and decorators
- Intelligent Abodes LtdElectricians
- Dorin Best Cons LimitedBuilders
What happens if Prostone Installations 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 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
- 15542952
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2024 (2 years ago)
- Registered office
- 20 Armstrong Drive, Worcester, WR1 2GA
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 March 2026
- Previous names
- BB Stone Ltd (until 13 Apr 2026)
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Worcester
Other active building finishing companies registered in Worcester.
- PVHN Associates Limited2016
- Quality Check Inspectors Limited2022
- Rafanet Ltd2024
- Rhino Group Limited2016
- RM Property Renovations Ltd2025
- RMC Building Group Ltd2026
- Simon Read Limited2012
- SMP Builders Ltd2007
All building finishing companies in Worcester · All trades in Worcester · Finishing trades across the UK
Frequently asked questions
When are Prostone Installations Ltd.'s accounts due?
Prostone Installations Ltd.'s next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Prostone Installations Ltd.'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 Prostone Installations Ltd. still trading?
Prostone Installations 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 Prostone Installations Ltd. do?
Prostone Installations Ltd. is registered under Other building completion and finishing (SIC 43390).
How old is Prostone Installations Ltd.?
Prostone Installations Ltd. was incorporated on 6 March 2024, 2 years ago.
What is the penalty if Prostone Installations 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 Prostone Installations 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.