- Companies
- Installers
- Newtownabbey
- Solarfixni Ltd
Solarfixni Ltd
- Company number
- NI633185
- Incorporated
- 24 Aug 201511 years trading
- Registered office
- 66 Mallusk Enterprise Park, 2 Mallusk Drive, Newtownabbey, County Antrim, BT36 4GN
- Nature of business
- Other construction installation
Solarfixni Ltd is a 11-year-old private limited company registered in Newtownabbey, company number NI633185, one of 11 installation companies (insulation, lifts, shutters and similar) in Newtownabbey. 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.
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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 down £796K (-84.2%) on the year before, to £149K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.7M against £1.1M owed within a year: 1.5 times cover.
- 18 employees on average, up from 14 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £149K | £734K | £1.7M | £1.1M | 18 |
| 31 Aug 2024 | £945K | £633K | £1.3M | £652K | 14 |
| 31 Aug 2023 | £580K | £255K | £1.3M | £926K | 11 |
| 31 Aug 2022 | £1.1M | £414K | £2.3M | £1.2M | 9 |
| 31 Aug 2021 | £196K | £354K | £166K | 1 | |
| 31 Aug 2020 | £49K | £315K | £219K | 1 | |
| 31 Aug 2019 | £27K | £155K | £120K | 1 | |
| 31 Aug 2018 | £26K | £14K | £93K | £54K | |
| 31 Aug 2017 | £65K | £83K | £35K | ||
| 31 Aug 2016 | £37K | £18K | £196K | £161K |
Where Solarfixni Ltd is registered
The registered office is in Newtownabbey (BT36), in the Antrim and Newtownabbey local authority area, Northern Ireland. Show BT36 4GN on a map.
Other trade companies in BT36
- C2 Repairs LtdGlaziers
- BNB Electrical LimitedElectricians
- NI.Consultancy2026 LtdSpecialist contractors
- B2 Property Group LtdFinishing trades
- Colin McGlinchey LtdMachinery repair and installation
- Mac’S Maintenance LtdFinishing trades
- Glaze and Frame Direct LtdGlaziers
- JH Site Maintenance LtdFacilities management
What happens if Solarfixni 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 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
- NI633185
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 August 2015 (11 years ago)
- Registered office
- 66 Mallusk Enterprise Park, 2 Mallusk Drive, Newtownabbey, County Antrim, BT36 4GN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 5 February 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
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 Newtownabbey
Other active installation companies (insulation, lifts, shutters and similar) registered in Newtownabbey.
- Tide Bathrooms Ltd2022
- Abbey Vent Ltd2026
- Automatic Doors Nir Ltd2025
- Barleymont N.I. Limited2026
- Blue Hammer Home Services Ltd2026
- Edward Wilson & Co., (Steeplejacks) Limited1975
- Kudos Window Systems (NI) Ltd2025
- PMR Welding Ltd2017
All installation companies (insulation, lifts, shutters and similar) in Newtownabbey · All trades in Newtownabbey · Installers across the UK
Frequently asked questions
When are Solarfixni Ltd's accounts due?
Solarfixni Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Solarfixni Ltd'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 Solarfixni Ltd still trading?
Solarfixni 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 Solarfixni Ltd do?
Solarfixni Ltd is registered under Other construction installation (SIC 43290).
How old is Solarfixni Ltd?
Solarfixni Ltd was incorporated on 24 August 2015, 11 years ago.
What is the penalty if Solarfixni 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 Solarfixni 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.