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- Alpha-Ref Limited
Company profile · Plumbers and heating engineers
Alpha-Ref Limited
Alpha-Ref Limited is a 6-year-old private limited company registered in York, company number 12461387, one of 123 plumbing and heating companies in York. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 28 February 2025, as filed at Companies House.
Alpha-Ref 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 up £4,005 (+131.9%) on the year before, to £7,041.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £24K against £20K owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £7,041 | £7,612 | £24K | £20K | 1 |
| 29 Feb 2024 | £3,036 | £3,847 | £18K | £18K | 1 |
| 28 Feb 2023 | -£845 | £4 | £14K | £15K | 1 |
| 28 Feb 2022 | £7,872 | £6,606 | £20K | £12K | 1 |
| 28 Feb 2021 | £19K | £6,300 | £31K | £12K | 1 |
Where Alpha-Ref Limited is registered
The registered office is in York (YO10), in the York local authority area, Yorkshire and The Humber. Show YO10 5AJ on a map.
Other trade companies in YO10
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- Lawrence Habka LimitedBuilders
- Core Group Property Services LtdFacilities management
- Bigg B Holdings LtdProperty developers
- T Squared Electrical LtdElectricians
- KLS at Bryns LtdMechanics and garages
- K Comps LtdMotor traders
- Cleaning Shine LtdCleaning companies
What happens if Alpha-Ref 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 12461387
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2020 (6 years ago)
- Registered office
- 58 Cemetery Road, Fulford, York, North Yorkshire, YO10 5AJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 2 February 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in York
Other active plumbing and heating companies registered in York.
- Alt Plumbing Ltd2025
- Am Kelsey Limited2003
- Ams Heating Limited2013
- Andrew Beatson Plumbing and Heating Limited2016
- Aqua Solutions North Yorkshire Ltd2024
- Aqualogic Heating & Plumbing Ltd2026
- Armadillo Heating Ltd2024
- Armadillo Plumbing Ltd2006
All plumbing and heating companies in York · All trades in York · Plumbers and heating engineers across the UK
Frequently asked questions
When are Alpha-Ref Limited's accounts due?
Alpha-Ref Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Alpha-Ref Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Alpha-Ref Limited still trading?
Alpha-Ref 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 Alpha-Ref Limited do?
Alpha-Ref Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Alpha-Ref Limited?
Alpha-Ref Limited was incorporated on 13 February 2020, 6 years ago.
What is the penalty if Alpha-Ref 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 Alpha-Ref Limited on Companies House for filed documents, officers and the full history.
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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.