- Companies
- Plumbers and heating engineers
- Uxbridge
- Alpha Solar Ltd
Alpha Solar Ltd
- Company number
- 13284163
- Incorporated
- 22 Mar 20215 years trading
- Registered office
- Boundary House, Cricket Field Road, Uxbridge, UB8 1QG
- Nature of business
- Plumbing, heat and air-conditioning installation
Alpha Solar Ltd is a 5-year-old private limited company registered in Uxbridge, company number 13284163, one of 55 plumbing and heating companies in Uxbridge. 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 up £11K (+111.7%) on the year before, to £21K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £58K against £28K owed within a year: 2.1 times cover.
- 4 employees on average, up from 1 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £21K | £58K | £28K | 4 | |
| 31 Mar 2024 | £10K | £56K | £37K | 1 | |
| 31 Mar 2023 | £170 | £14K | 1 | ||
| 31 Mar 2022 | £7,516 | £9,894 | £2,378 | 0 |
Where Alpha Solar Ltd is registered
The registered office is in Uxbridge (UB8), in the Hillingdon local authority area, London. Show UB8 1QG on a map.
Other trade companies in UB8
- D-Towel LtdCleaning companies
- Sahi & Dhot Builders LtdBuilders
- Chas LtdBuilders
- Express Roofing LtdRoofers
- Boilercare Cover LtdPlumbers and heating engineers
- RMKK LtdBuilders
- Nayia Properties LtdProperty developers
- Dashi Carpentry LtdJoiners and carpenters
Also registered at this address
22 other companies use the same registered office as Alpha Solar Ltd.
- A Touch of Colour Decorators LimitedPainters and decorators
- Anglian Renewables LtdPlumbers and heating engineers
- Bohola Developments LimitedSpecialist contractors
- Dernier Cri London LtdFinishing trades
- Dte Premium Detailing LtdMechanics and garages
- Emery's Building Company LtdProperty developers
- J B N Building Services LimitedFinishing trades
- JTM Civils LimitedCivil engineering
- Kingdom Demolition LtdGroundworks and demolition
- Maintenance Direct Ltd.Repair services
- Masson Developments LtdProperty developers
- Nextspace Construction UK LtdProperty developers
- NFLG Consultancy LtdSpecialist contractors
- Q10 Consulting LimitedSpecialist contractors
- Red Line Land North Dorset LtdProperty developers
- Red Line Land Theale LtdProperty developers
- Rock Solid Images International LimitedInstallers
- Stallion Glazing LtdGlaziers
- Tape and Jointing London LtdFinishing trades
- Thehomespacecompany LimitedProperty developers
- TPLS Interiors LtdSpecialist contractors
- Woodbridge Civil Engineering LimitedBuilders
What happens if Alpha Solar 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
- 13284163
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 March 2021 (5 years ago)
- Registered office
- Boundary House, Cricket Field Road, Uxbridge, UB8 1QG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 17 September 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 Uxbridge
Other active plumbing and heating companies registered in Uxbridge.
- Ambient Green Ltd2011
- Anglian Renewables Ltd2019
- B Singh Plumbing & Heating Ltd2019
- Blue Flame Heating & Plumbing Care Ltd2025
- Boilercare Cover Ltd2026
- Capital Heating Limited1995
- Celsius Climate Solutions Limited2020
- Egsuk Ltd2024
All plumbing and heating companies in Uxbridge · All trades in Uxbridge · Plumbers and heating engineers across the UK
Frequently asked questions
When are Alpha Solar Ltd's accounts due?
Alpha Solar Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Alpha Solar 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 Alpha Solar Ltd still trading?
Alpha Solar 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 Alpha Solar Ltd do?
Alpha Solar Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Alpha Solar Ltd?
Alpha Solar Ltd was incorporated on 22 March 2021, 5 years ago.
What is the penalty if Alpha Solar 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 Alpha Solar 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.