- Companies
- Electricians
- London
- JZ Electrical Installations Ltd
JZ Electrical Installations Ltd
- Company number
- 13098266
- Incorporated
- 23 Dec 20205 years trading
- Registered office
- 283 Green Lanes, London, N13 4XS
- Nature of business
- Electrical installation
JZ Electrical Installations Ltd is a 5-year-old private limited company registered in London, company number 13098266, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £5,807 (-55.5%) on the year before, to £4,651.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £21K against £16K owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £4,651 | £21K | £16K | 0 | |
| 31 Dec 2024 | £10K | £26K | £15K | 1 | |
| 31 Dec 2023 | £9,722 | £24K | £14K | 1 | |
| 31 Dec 2022 | £1,145 | £7,329 | £8,771 | 1 | |
| 31 Dec 2021 | £1,089 | £7,601 | £9,962 | 1 |
Where JZ Electrical Installations Ltd is registered
The registered office is in London (N13), in the Enfield local authority area, London. Show N13 4XS on a map.
Other trade companies in N13
- GKK Contractors LtdBuilders
- Baran MOT LimitedMechanics and garages
- Vick & Victor - Painting & Decorating LtdPainters and decorators
- Meti Flow Solutions LtdBuilders
- XP Plastering & Rendering LtdBuilders
- MD Crafted LtdSpecialist contractors
- Skilled Trades UK LtdPainters and decorators
- Danni Plumbing LtdPlumbers and heating engineers
Also registered at this address
12 other companies use the same registered office as JZ Electrical Installations Ltd.
- Ab Prestige Group Developments LimitedProperty developers
- Bush Hand Car Wash LimitedCleaning companies
- C L N Property Maintenance LtdFinishing trades
- City Electric Services LimitedElectricians
- Cosmic Car Sales LtdMotor traders
- Espac LimitedFacilities management
- Fosfo Building LimitedProperty developers
- Highview Garage LimitedMechanics and garages
- LK Dwelling Rise LimitedFinishing trades
- Makrides Properties LimitedProperty developers
- The Valet LtdCleaning companies
- Williams K Luxury LimitedInstallers
What happens if JZ 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 13098266
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 December 2020 (5 years ago)
- Registered office
- 283 Green Lanes, London, N13 4XS
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 22 December 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 London
Other active electrical contractors registered in London.
- K & H Power Solutions Limited2020
- K Computer Services Ltd2023
- K D M Safety Ltd2026
- K K Electrical Contractor Limited2022
- K K Electrical Services Ltd2020
- K P A Products Limited1991
- K&M Electrical Maintenance Ltd2023
- K-Brod Service Ltd2016
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are JZ Electrical Installations Ltd's accounts due?
JZ Electrical Installations Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is JZ Electrical Installations Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is JZ Electrical Installations Ltd still trading?
JZ 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 JZ Electrical Installations Ltd do?
JZ Electrical Installations Ltd is registered under Electrical installation (SIC 43210).
How old is JZ Electrical Installations Ltd?
JZ Electrical Installations Ltd was incorporated on 23 December 2020, 5 years ago.
What is the penalty if JZ 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 JZ 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.