- Companies
- Civil engineering
- London
- JLB Electrical Contractor Ltd
JLB Electrical Contractor Ltd
- Company number
- 12864477
- Incorporated
- 8 Sep 20206 years trading
- Registered office
- 96 High Road, London, N2 9EB
- Nature of business
- Construction of utility projects for electricity and telecommunications; Electrical installation; Other construction installation; Other building completion and finishing
JLB Electrical Contractor Ltd is a 6-year-old private limited company registered in London, company number 12864477, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £2,085 (+27.1%) on the year before, to £9,783.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £14K against £8,383 owed within a year: 1.6 times cover.
- 1 employee on average, down from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £9,783 | £14K | £8,383 | 1 | |
| 30 Sep 2024 | £7,698 | £3,899 | £1,507 | 2 | |
| 30 Sep 2023 | £6,908 | £1,436 | £770 | 1 | |
| 30 Sep 2022 | £5,621 | £4,160 | £3,206 | 1 | |
| 30 Sep 2021 | £3,415 | £2,049 | £2,306 | 0 |
Where JLB Electrical Contractor Ltd is registered
The registered office is in London (N2), in the Barnet local authority area, London. Show N2 9EB on a map.
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- Dffrnt Group LtdMechanics and garages
- Miv Mechanical LtdPlumbers and heating engineers
- Lauras Garage LtdMechanics and garages
- Bab Automotive LimitedMotor traders
- Roadway Repair LtdSpecialist contractors
What happens if JLB Electrical Contractor 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 12864477
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 September 2020 (6 years ago)
- Registered office
- 96 High Road, London, N2 9EB
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Electrical installation (SIC 43210)
Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 24 September 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- JM Hodgetts Limited2018
- Jnpinitiative Ltd2026
- Jod Solutions Ltd2021
- Joe Carey Ltd2023
- Joel&Jay Ltd2018
- John Laing Infrastructure Limited2002
- Johntillone Ltd2014
- Jomer Services Limited2019
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are JLB Electrical Contractor Ltd's accounts due?
JLB Electrical Contractor Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is JLB Electrical Contractor Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is JLB Electrical Contractor Ltd still trading?
JLB Electrical Contractor 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 JLB Electrical Contractor Ltd do?
JLB Electrical Contractor Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Electrical installation (SIC 43210); Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is JLB Electrical Contractor Ltd?
JLB Electrical Contractor Ltd was incorporated on 8 September 2020, 6 years ago.
What is the penalty if JLB Electrical Contractor 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 JLB Electrical Contractor 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.