- Companies
- Electricians
- Cardiff
- Oak Electrical Installations Ltd
Oak Electrical Installations Ltd
- Company number
- 14091539
- Incorporated
- 6 May 20224 years trading
- Registered office
- 30 Glendale Avenue, Llanishen, Cardiff, CF14 5JP
- Nature of business
- Electrical installation
Oak Electrical Installations Ltd is a 4-year-old private limited company registered in Cardiff, company number 14091539, one of 223 electrical contractors in Cardiff. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £3,073 (+45.6%) on the year before, to £9,818.
- Current assets of £45K against £36K owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £9,818 | £45K | £36K | 1 | |
| 31 May 2024 | £6,745 | £15K | £9,613 | 1 | |
| 31 May 2023 | £18K | £21K | £4,970 | 1 |
Where Oak Electrical Installations Ltd is registered
The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 5JP on a map.
Other trade companies in CF14
- Velren Group LtdProperty developers
- Premierroofcare LtdRoofers
- JLG Groundworks LtdCleaning companies
- Tidyvibz LtdCleaning companies
- Ayyappa MTD LtdBuilders
- KM Phoenix Pond, Garden & General Maintenance LtdLandscapers and gardeners
- Eco Green Property Service LtdFinishing trades
- S and J Accident Repairs LtdPainters and decorators
What happens if Oak Electrical 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14091539
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2022 (4 years ago)
- Registered office
- 30 Glendale Avenue, Llanishen, Cardiff, CF14 5JP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 5 May 2026
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 Cardiff
Other active electrical contractors registered in Cardiff.
- Ocs UK Technical Group Limited2026
- Okeefe Electrical Limited2023
- Omega Electrics Ltd2021
- Oracle Electrics Ltd1998
- Orion TS Ltd2018
- Perc Limited2014
- Perennial Power Solutions Ltd2026
- PG99 Electrix Ltd2026
All electrical contractors in Cardiff · All trades in Cardiff · Electricians across the UK
Frequently asked questions
When are Oak Electrical Installations Ltd's accounts due?
Oak Electrical Installations Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Oak Electrical Installations Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Oak Electrical Installations Ltd still trading?
Oak Electrical Installations 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 Oak Electrical Installations Ltd do?
Oak Electrical Installations Ltd is registered under Electrical installation (SIC 43210).
How old is Oak Electrical Installations Ltd?
Oak Electrical Installations Ltd was incorporated on 6 May 2022, 4 years ago.
What is the penalty if Oak Electrical 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 Oak Electrical Installations 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.