- Companies
- Electricians
- High Wycombe
- Prosolar Installations Ltd
Prosolar Installations Ltd
- Company number
- 14490831
- Incorporated
- 17 Nov 20223 years trading
- Registered office
- Southside Farm London Road, Wooburn Green, High Wycombe, HP10 0NN
- Nature of business
- Electrical installation
Prosolar Installations Ltd is a 3-year-old private limited company registered in High Wycombe, company number 14490831, one of 123 electrical contractors in High Wycombe. 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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Where Prosolar Installations Ltd is registered
The registered office is in High Wycombe (HP10), in the Buckinghamshire local authority area, South East. Show HP10 0NN on a map.
Other trade companies in HP10
- Range Fit Co LtdJoiners and carpenters
- Ajm Autos LimitedMotor traders
- Woodys LimitedJoiners and carpenters
- Ah Stottor Building Services LtdFinishing trades
- Bradley Evolve LimitedProperty developers
- The Warmth and Water Group LtdPlumbers and heating engineers
- Epds Home Improvement LtdBuilders
- Cleancoat Property Services LtdBuilders
Also registered at this address
1 other company uses the same registered office as Prosolar Installations Ltd.
- Wheels VT LimitedMechanics and garages
What happens if Prosolar 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
- 14490831
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 November 2022 (3 years ago)
- Registered office
- Southside Farm London Road, Wooburn Green, High Wycombe, HP10 0NN
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 16 November 2025
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in High Wycombe
Other active electrical contractors registered in High Wycombe.
- Pyramid Electrical Solutions Ltd2019
- Quadrant Heating & Electrics Limited2022
- R Draper Electrical Limited2017
- Resolution.Ro Ltd2024
- Risq Solutions Ltd2026
- RJB Electrical Solutions Ltd2023
- Robstel Building Ltd2024
- Roman Services Limited2022
All electrical contractors in High Wycombe · All trades in High Wycombe · Electricians across the UK
Frequently asked questions
When are Prosolar Installations Ltd's accounts due?
Prosolar Installations 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 Prosolar 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 Prosolar Installations Ltd still trading?
Prosolar Installations Ltd is listed as active on the Companies House register (checked 12 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 Prosolar Installations Ltd do?
Prosolar Installations Ltd is registered under Electrical installation (SIC 43210).
How old is Prosolar Installations Ltd?
Prosolar Installations Ltd was incorporated on 17 November 2022, 3 years ago.
What is the penalty if Prosolar 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 Prosolar Installations Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.