- Companies
- Installers
- Ascot
- Sunfix Solar Ltd
Sunfix Solar Ltd
- Company number
- 17438423
- Incorporated
- 4 Sep 2026
- Registered office
- 55 King Edwards Road, Ascot, SL5 8NY
- Nature of business
- Other construction installation
Sunfix Solar Ltd is a newly incorporated private limited company registered in Ascot, company number 17438423, one of 6 installation companies (insulation, lifts, shutters and similar) in Ascot. Its next accounts are due at Companies House on 4 June 2028, and its first CT600 is due at HMRC on 3 September 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Sunfix Solar Ltd is registered
The registered office is in Ascot (SL5), in the Bracknell Forest local authority area, South East. Show SL5 8NY on a map.
Other trade companies in SL5
- Autova UK LtdMotor traders
- Drive Care Hub LtdMotor traders
- Berkshire Eco Clean LimitedCleaning companies
- SRD Recoveries LtdMechanics and garages
- The Marlow Roofermann and Sons LimitedRoofers
- Painting Precision LtdPainters and decorators
- Loyal to the Soil LtdLandscapers and gardeners
- Wilsonest LimitedBuilders
What happens if Sunfix 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 4 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Jun 2028 to 4 Jul 2028 | £150 |
| 1 to 3 months late | 5 Jul 2028 to 4 Sep 2028 | £375 |
| 3 to 6 months late | 5 Sep 2028 to 4 Dec 2028 | £750 |
| More than 6 months late | From 5 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2029 | 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
- 17438423
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2026
- Registered office
- 55 King Edwards Road, Ascot, SL5 8NY
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 Ascot
Other active installation companies (insulation, lifts, shutters and similar) registered in Ascot.
- VK Wood Ltd2019
- Deliver Mep Limited2023
- E-K Contractors Limited2017
- Osullivan Formwork Limited2008
- Sound Solutions London Ltd2016
All installation companies (insulation, lifts, shutters and similar) in Ascot · All trades in Ascot · Installers across the UK
Frequently asked questions
When are Sunfix Solar Ltd's accounts due?
Sunfix Solar Ltd's next accounts are due at Companies House by 4 June 2028 (in 601 days), covering the period to 30 September 2027.
When is Sunfix Solar Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 September 2027, due by 3 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sunfix Solar Ltd still trading?
Sunfix 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 Sunfix Solar Ltd do?
Sunfix Solar Ltd is registered under Other construction installation (SIC 43290).
How old is Sunfix Solar Ltd?
Sunfix Solar Ltd was incorporated on 4 September 2026, less than a year ago.
What is the penalty if Sunfix 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 Sunfix 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.