- Companies
- Installers
- Ellesmere Port
- Alphastor Limited
Company profile · Installers
Alphastor Limited
Alphastor Limited is a 6-year-old private limited company registered in Ellesmere Port, company number 12818325, one of 13 installation companies (insulation, lifts, shutters and similar) in Ellesmere Port. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Alphastor LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Alphastor Limited over the years
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 £28K (-31.9%) on the year before, to £59K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £155K against £96K owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £59K | £47K | £155K | £96K | 0 |
| 31 Aug 2024 | £87K | £106K | £167K | £80K | 2 |
| 31 Aug 2023 | £80K | £55K | £174K | £94K | 2 |
| 31 Aug 2022 | £20K | £72K | £52K | 2 | |
| 31 Aug 2021 | £34K | £102K | £68K | 1 |
Where Alphastor Limited is registered
The registered office is in Ellesmere Port (CH65), in the Cheshire West and Chester local authority area, North West. Show CH65 9HQ on a map.
Other trade companies in CH65
- The Kept House Company LtdCleaning companies
- Pioneer Ceilings and Partitions LtdJoiners and carpenters
- Eddy Access LimitedSpecialist contractors
- Eclipse Shield LtdFinishing trades
- Track Focused Racing (Operations) LimitedMechanics and garages
- Benson Industrial Flooring LtdFloor and wall tilers
- NCB Maintenance LtdFinishing trades
- Fin Jones R&C LtdRoofers
Shared registered office
34 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Alphastor 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12818325
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 August 2020 (6 years ago)
- Registered office
- C/O DJH Chester City Chester House, Lloyd Drive, Ellesmere Port, CH65 9HQ
- Nature of business
- Other construction installation (SIC 43290)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 12 October 2025
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 Ellesmere Port
Other active installation companies (insulation, lifts, shutters and similar) registered in Ellesmere Port.
- Cestrian Electrical Limited2006
- Clearflow Gutters Ltd2025
- Delicious Bathrooms Ltd2026
- Ideal Drylining Ltd2023
- JSH Pipe Services Ltd2012
- KR Rendering Ltd2020
- MSM Engineering Group Ltd2026
- Stylized Ltd2020
All installation companies (insulation, lifts, shutters and similar) in Ellesmere Port · All trades in Ellesmere Port · Installers across the UK
Frequently asked questions
When are Alphastor Limited's accounts due?
Alphastor Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Alphastor Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Alphastor Limited still trading?
Alphastor 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 Alphastor Limited do?
Alphastor Limited is registered under Other construction installation (SIC 43290); Other business support service activities n.e.c. (SIC 82990).
How old is Alphastor Limited?
Alphastor Limited was incorporated on 17 August 2020, 6 years ago.
What is the penalty if Alphastor 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 Alphastor Limited on Companies House for filed documents, officers and the full history.
Is something here wrong, or would you like this page removed? Request a correction or removal.
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.